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US3349589A - Key construction - Google Patents

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Publication number
US3349589A
US3349589A US476278A US47627865A US3349589A US 3349589 A US3349589 A US 3349589A US 476278 A US476278 A US 476278A US 47627865 A US47627865 A US 47627865A US 3349589 A US3349589 A US 3349589A
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United States
Prior art keywords
housing
key
spring
spring means
rear portion
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Expired - Lifetime
Application number
US476278A
Inventor
Fricke Alex
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Union Tool Co
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Union Tool Co
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Filing date
Publication date
Application filed by Union Tool Co filed Critical Union Tool Co
Priority to US476278A priority Critical patent/US3349589A/en
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Publication of US3349589A publication Critical patent/US3349589A/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/04—Construction of the bow or head of the key; Attaching the bow to the shank
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45005—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] with third detached member completing interlock [e.g., hook type]
    • Y10T24/45026—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] with third detached member completing interlock [e.g., hook type] for key holder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7802—Multi-part structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7876—Bow or head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8676—Key holders

Definitions

  • the principal object of the present invention is to provide a key construction which permits a separation of the key parts.
  • Another object of the present invention is to provide a key construction which permits the key to be removed from a key case or ring without disturbing the case or ring.
  • a further object of the present invention is to provide a key construction in which the key bit can readily be removed from its manually operable housing.
  • Another object of the present invention is to provide a separable key construction which lends itself to different ornamental key designs.
  • a further object of the present invention is to provide a separable key construction which is simple in basic construction and easy and economical to manufacture and,
  • FIG. 1 is an enlarged perspective view of a key embodying my present invention.
  • FIG. 2 is a side elevation of the same with the manually engageable housing portion in vertical section.
  • FIG. 3 is an exploded perspective view of a modified form of my invention.
  • FIGS. 4 and 5 are sectional views similar to FIG. 2 showing additional modifications of my invention.
  • Applicant has therefore combined the large manually engagea'ble ornamental rings now being provided with a novel key construction which solves the ring removal prob- Patented Oct. 31, 1967 lem.
  • applicant has provided a flat manually engageable key portion which forms a housing and which is the portion which is actually attached to the key case or key ring.
  • the key bit is releasably locked in this housing in such manner that it can readily be pulled from the housing and used independently thereof. This permits the key to be left in the automobile while the rest of the keys and its attached ring or case is removed and permits the passing of the key bit to another individual whether for an automobile or home Without removing the manually engageable portion from the ring or case.
  • the parts be locked together with a spring tension so that a pulling force is all that is needed to provide a separation of the parts.
  • a pulling force is all that is needed to provide a separation of the parts.
  • FIGS. 1 and 2 illustrate a basic form of the present invention.
  • I provide a somewhat elongated form of key bit 10 having a slightly enlarged rectangular head 11 replacing the manually engageable portion.
  • the portion 11 may be provided with a key ring opening 12 although this is optional and really unnecessary.
  • Extending inwardly from each side edge of the head 11 is a rounded cut-out portion 13 and 14.
  • Replacing the manually engageable portion of the ring is the ornamental rectangular housing 15 in the form of a comparatively flat housing having an integral loop portion 16 for attaching a chain or for mounting in a key case or ring.
  • the bottom edge or wall of the housing 15 is provided with a slot 17 just large enough to receive the head 11 of a key bit 10.
  • a U-shaped spring member 18 having spaced parallel side arms 19 and 20 extending integrally from each end of the transverse rear arm 21.
  • an annular cut-out portion 22 which allows a more resilient movement of the arm 20.
  • the U-shaped spring 18 be stamped from flat stock so that the arms 19 and 20 are comparatively rigid and provide a very tight spring action.
  • the arms 19 and 20 are provided with annular bumps or extensions 23 extending towards each other to form restricted slot portions.
  • the key bit 10 is cut out for its intended purpose and then pushed into' the slot 17. It bears against the inwardly extending rounded portions 23 so that it spreads the arms Hand 20 with a spring action while it is pushed inwardly until it reaches the position shown in FIG. 2. In this position the inwardly extending members 23 will snap into the cutout portions 13 and 14 to resiliently lock the bit in the housing 15. Note that it makes no diiference which face of the key extends forwardly or rearwardly or up or down. As long as the enlarged head 11 is pushed into the housing the parts will snap together with a spring action. The key is now ready for use and grasping the housing 11' will permit turning movement of the key as desired.
  • the key bit 24 is identical to the key bit 10 illustrated in FIG. 2. It is provided with an enlarged head 25 and annular cut-out portions 26 at each side edge. Similarly the manually engageable housing 27 is also identical to the housing 15 and is provided with the integral attaching loop 28.
  • the U-shape spring member 21 is provided with a transverse rear arm 30 and side arms 31 and 32 as in the previous form.
  • the arm 31 is straight whereas the arm 32 is provided with its bump 33. Since the arm 32 is the arm provided with the cut-out portion 34 to provide the spring action only this arm is provided with the bump 33.
  • the arm 32 will move resiliently until the bump 33 enters the cut-out portion 26. Again, it makes no difference on which side the key is inserted since there is a cut-out portion 26 on both sides.
  • the parts are so made that the width of the key heads 11 and are just slightly narrower than the spacing between the arms 19 and 20 and 31 and 32 so that there is a minimum of play.
  • the two forms are therefore fairly identical except that the form shown in FIG. 3 requires a little less effort in assembling and pulling the parts apart.
  • FIGS. 4 and 5 are modifications designed to take care of difierent ornamental housing portions.
  • the key bit 35 is provided with a slightly enlarged head 36 having a single cut-out portion 37 and an arcuate rear edge 38.
  • This bit is designed to enter a circular housing 39 through the slot 40 at one edge.
  • the spring comprises an arcuate portion 41 having an integral loop 42 extending through a small slot in the rear of the circular housing.
  • Spaced parallel spring arms 43 and 44 extend from the ends of the portion 41, the arm 44 being provided with the bump 45 which enters the cut-out portion 37 of the key bit.
  • the action is similar to that in the previous forms.
  • the key bit may be provided with double cut-out portions 37 and the arm 43 may also be provided with a bump.
  • the housing is provided with a flattened or elongated polygonal construction.
  • the key bit 46 is provided with the enlarged rectangular head 47 and the cut-out portion 48 which may be duplicated on the opposite edge if desired.
  • the housing 49 is of an elongated polygonal design having an integral loop 50 for attachment to a key case.
  • the spring now comprises a transverse rear bar 51 one enlarged side bar 52 which fills the poly onal portion at the bottom in FIG. 5, a spring arm 53 carrying the bump 54 which enters the cut-out portion 48 and a spaced parallel arm 55 for filling the space in the upper polygonal portion in FIG. 5 so that there will be no vertical or sideways movement of the spring and that is will keep its centered position ready to receive the key bit 46.
  • the present invention thus provides a separable key in which the key bit can be readily separated from its manually engageable enlarged end to allow the key bit to be left in a car or to be handed out to another person for opening a house door.
  • the basic construction provides a spring action for releasably locking the key bit in the manually engageable portion.
  • FIGS. 1, 2 and 3 are simple rectangular constructions and the forms illustrated in FIGS. 4 and 5 indicate how the basic invention can readily be applied to changes in the design. Other advantages of the present invention will be readily apparent to a person skilled in the art.
  • a separable key construction comprising a key bit having a rear portion for applying a turning force thereto, a manually engageable fiat housing having inner wall portions and a slot in the edge for receiving said rear portion, and spring means in said housing for releasably retaining said rear portion in said housing, whereby turning of said housing will cause turning of said key bit, portions of said spring means abut the inner wall portions of said housing on each side of said slot and opposite portions of said spring means abut the inner wall portions opposite said slot wherein said spring means are held between said inner wall portions to lock said spring means in said housing, said spring means comprising a flat U-shaped spring member having spaced parallel arms, said rear portion of said key bit sliding into said housing between said arms, one of said spring arms having a detent on the inner edge thereof adjacent its free end, said rear portion of said key bit having receiving means on at least one side edge thereof, said receiving means engaging with said detent of said spring means to releasably retain said rear portion in said housing.
  • said fiat housing is rectangular, said spring retaining means having a straight transverse bar with said parallel spring arms extending from each end of said transverse bar, one end of said bar being cut out to impart resiliency to the adjacent spring arm.

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  • Lock And Its Accessories (AREA)

Description

A. FRICKE Oct. 31, 1967 KEY CONSTRUCTION Filed Aug. 2, 1965 FiG.2
-INVENTOR. ALEX FRICKE AT TORNEY United States Patent 3,349,589 KEY CONSTRUCTION Alex Fricke, Cranston, R.I., assignor to Union Tool Company, Providence, R.I., a corporation of Rhode Island Filed Aug. 2, 1965, Ser. No. 476,278 6 Claims. (Cl. 70-395) ABSTRACT OF THE DISCLOSURE My present invention relates to key constructions and more particularly to a novel separable key construction.
The principal object of the present invention is to provide a key construction which permits a separation of the key parts.
Another object of the present invention is to provide a key construction which permits the key to be removed from a key case or ring without disturbing the case or ring.
A further object of the present invention is to provide a key construction in which the key bit can readily be removed from its manually operable housing.
Another object of the present invention is to provide a separable key construction which lends itself to different ornamental key designs.
A further object of the present invention is to provide a separable key construction which is simple in basic construction and easy and economical to manufacture and,
assemble. 7
With the above and other objects and advantageous features in view, my invention consists of a novel arrangement of parts, more fully dis-closed in the detailed description following, in conjunction with the accompanying drawings, and more particularly defined in the appended claims.
In the drawings,
FIG. 1 is an enlarged perspective view of a key embodying my present invention.
FIG. 2 is a side elevation of the same with the manually engageable housing portion in vertical section.
FIG. 3 is an exploded perspective view of a modified form of my invention.
FIGS. 4 and 5 are sectional views similar to FIG. 2 showing additional modifications of my invention.
It has become customary to provide ornamental keys for automobiles and house keys which are provided with enlarged elaborately ornamented manually engageable ends and gold plated key bits. The large ornamental ends may be provided with initials or any type of insignia. There is also a problem created by the multiple use of the same key by different individuals. For example, parking lots are now prevalent everywhere and it is necessary for the key to be left in the car so that the attendant can move the car around. However, with the key on a key case or a key ring, it is necessary to manipulate the key ring or key case and remove the key for the benefit of the parking lot attendant. Similarly if a house key is to be passed to another individual it is necessary to remove it from its case or ring.
Applicant has therefore combined the large manually engagea'ble ornamental rings now being provided with a novel key construction which solves the ring removal prob- Patented Oct. 31, 1967 lem. In accordance with the present invention applicant has provided a flat manually engageable key portion which forms a housing and which is the portion which is actually attached to the key case or key ring. The key bit is releasably locked in this housing in such manner that it can readily be pulled from the housing and used independently thereof. This permits the key to be left in the automobile while the rest of the keys and its attached ring or case is removed and permits the passing of the key bit to another individual whether for an automobile or home Without removing the manually engageable portion from the ring or case. It is contemplated that the parts be locked together with a spring tension so that a pulling force is all that is needed to provide a separation of the parts. Conversely when the key bit is inserted in its housing it will pass in with a snap action and be gripped by the spring therein.
Referring more in detail to the drawings, FIGS. 1 and 2 illustrate a basic form of the present invention. I provide a somewhat elongated form of key bit 10 having a slightly enlarged rectangular head 11 replacing the manually engageable portion. The portion 11 may be provided with a key ring opening 12 although this is optional and really unnecessary. Extending inwardly from each side edge of the head 11 is a rounded cut-out portion 13 and 14. Replacing the manually engageable portion of the ring is the ornamental rectangular housing 15 in the form of a comparatively flat housing having an integral loop portion 16 for attaching a chain or for mounting in a key case or ring. The bottom edge or wall of the housing 15 is provided with a slot 17 just large enough to receive the head 11 of a key bit 10. Mounted within the housing 15 is a U-shaped spring member 18 having spaced parallel side arms 19 and 20 extending integrally from each end of the transverse rear arm 21. At one corner, for example between the sidearm 20 and the rear arm 21 is an annular cut-out portion 22 which allows a more resilient movement of the arm 20. It is preferred that the U-shaped spring 18 be stamped from flat stock so that the arms 19 and 20 are comparatively rigid and provide a very tight spring action. Toward the front end, the arms 19 and 20 are provided with annular bumps or extensions 23 extending towards each other to form restricted slot portions.
Operation of the key is now apparent. The key bit 10 is cut out for its intended purpose and then pushed into' the slot 17. It bears against the inwardly extending rounded portions 23 so that it spreads the arms Hand 20 with a spring action while it is pushed inwardly until it reaches the position shown in FIG. 2. In this position the inwardly extending members 23 will snap into the cutout portions 13 and 14 to resiliently lock the bit in the housing 15. Note that it makes no diiference which face of the key extends forwardly or rearwardly or up or down. As long as the enlarged head 11 is pushed into the housing the parts will snap together with a spring action. The key is now ready for use and grasping the housing 11' will permit turning movement of the key as desired. It the key is to remain in the automobile or if the key bit is to be given to someone, it is a simple matter to grasp the key bit in one hand and the housing in the other and to pull it apart with sufiicient force to overcome the action of the spring arms 19 and 20. The key bit will then slide out of housing and it will not be necessary to disturb the case, ring or any chain attached to the member 16. In the construction illustrated in FIG. 3, the key bit 24 is identical to the key bit 10 illustrated in FIG. 2. It is provided with an enlarged head 25 and annular cut-out portions 26 at each side edge. Similarly the manually engageable housing 27 is also identical to the housing 15 and is provided with the integral attaching loop 28. However, the U-shape spring member 21 is provided with a transverse rear arm 30 and side arms 31 and 32 as in the previous form. However, in this form the arm 31 is straight whereas the arm 32 is provided with its bump 33. Since the arm 32 is the arm provided with the cut-out portion 34 to provide the spring action only this arm is provided with the bump 33. Now when the key bit is inserted into the housing 27, the arm 32 will move resiliently until the bump 33 enters the cut-out portion 26. Again, it makes no difference on which side the key is inserted since there is a cut-out portion 26 on both sides. In each of these forms the parts are so made that the width of the key heads 11 and are just slightly narrower than the spacing between the arms 19 and 20 and 31 and 32 so that there is a minimum of play. The two forms are therefore fairly identical except that the form shown in FIG. 3 requires a little less effort in assembling and pulling the parts apart.
FIGS. 4 and 5 are modifications designed to take care of difierent ornamental housing portions. For example in FIG. 4 the key bit 35 is provided with a slightly enlarged head 36 having a single cut-out portion 37 and an arcuate rear edge 38. This bit is designed to enter a circular housing 39 through the slot 40 at one edge. The spring comprises an arcuate portion 41 having an integral loop 42 extending through a small slot in the rear of the circular housing. Spaced parallel spring arms 43 and 44 extend from the ends of the portion 41, the arm 44 being provided with the bump 45 which enters the cut-out portion 37 of the key bit. As can readily be seen in FIG. 4, the action is similar to that in the previous forms. If desired the key bit may be provided with double cut-out portions 37 and the arm 43 may also be provided with a bump.
In the form shown in FIG. 5 the housing is provided with a flattened or elongated polygonal construction. Here the key bit 46 is provided with the enlarged rectangular head 47 and the cut-out portion 48 which may be duplicated on the opposite edge if desired. The housing 49 is of an elongated polygonal design having an integral loop 50 for attachment to a key case. To keep the spring properly centered, the spring now comprises a transverse rear bar 51 one enlarged side bar 52 which fills the poly onal portion at the bottom in FIG. 5, a spring arm 53 carrying the bump 54 which enters the cut-out portion 48 and a spaced parallel arm 55 for filling the space in the upper polygonal portion in FIG. 5 so that there will be no vertical or sideways movement of the spring and that is will keep its centered position ready to receive the key bit 46.
The present invention thus provides a separable key in which the key bit can be readily separated from its manually engageable enlarged end to allow the key bit to be left in a car or to be handed out to another person for opening a house door. The basic construction provides a spring action for releasably locking the key bit in the manually engageable portion. The forms illustrated in FIGS. 1, 2 and 3 are simple rectangular constructions and the forms illustrated in FIGS. 4 and 5 indicate how the basic invention can readily be applied to changes in the design. Other advantages of the present invention will be readily apparent to a person skilled in the art.
I claim:
1. A separable key construction comprising a key bit having a rear portion for applying a turning force thereto, a manually engageable fiat housing having inner wall portions and a slot in the edge for receiving said rear portion, and spring means in said housing for releasably retaining said rear portion in said housing, whereby turning of said housing will cause turning of said key bit, portions of said spring means abut the inner wall portions of said housing on each side of said slot and opposite portions of said spring means abut the inner wall portions opposite said slot wherein said spring means are held between said inner wall portions to lock said spring means in said housing, said spring means comprising a flat U-shaped spring member having spaced parallel arms, said rear portion of said key bit sliding into said housing between said arms, one of said spring arms having a detent on the inner edge thereof adjacent its free end, said rear portion of said key bit having receiving means on at least one side edge thereof, said receiving means engaging with said detent of said spring means to releasably retain said rear portion in said housing.
2. A separable key construction as in claim 1, wherein said rear portion comprises an enlarged rectangular portion slidable between said parallel arms.
3. A separable key construction as in claim 2, wherein said receiving means comprise an annular cut out on one side edge of said rear portion, said detent entering said cut out to retain said key bit in said housing.
4. A separable key construction as in claim 1, wherein said fiat housing is rectangular, said spring retaining means having a straight transverse bar with said parallel spring arms extending from each end of said transverse bar, one end of said bar being cut out to impart resiliency to the adjacent spring arm.
5. A separable key construction as in claim 1, wherein said flat housing is annular, said spring retaining means having an arcuate transverse bar with said parallel spring arms extending from each end of said transverse bar, one end of said bar being cut out to impart resiliency to the adjacent spring arm.
6. A separable key construction as in claim 1, wherein said flat housing is polygonal, said spring retaining means having a transverse bar, a wide arm extending at right angles from one end of said bar, said wide arm contacting one side of said housing, and said spaced parallel arms extending at right angles from the the other end of said bar, the outer of said parallel arms contacting said housing and the inner of said parallel arms forming a resilient spring to contact said rear portion of said key bit.
References Cited UNITED STATES PATENTS 1,325,189 12/1919 Carter -409 X 2,653,492 9/1953 Abrams 70408 X 2,672,747 3/ 1954 Craig 70-408 X 2,694,244 11/1954 Nolan. 3,137,157 6/1964 Ralton 70456 FOREIGN PATENTS 564,162 10/1923 France. 1,066,638 1/1954 France.
680,416 8/1939 Germany.
807,979 7/1951 Germany.
MARVIN A. CHAMPION, Primary Examiner.
P. TEITELBAUM, Assistant Examiner,

Claims (1)

1. A SEPARABLE KEY CONSTRUCTION COMPRISING A KEY BIT HAVING A REAR PORTION FOR APPLYING A TURNING FORCE THERETO, A MANUALLY ENGAGEABLE FLAT HOUSING HAVING INNER WALL PORTIONS AND A SLOT IN THE EDGE FOR RECEIVING SAID REAR PORTION, AND SPRING MEANS IN SAID HOUSING FOR RELEASABLY RETAINING SAID REAR PORTION IN SAID HOUSING, WHEREBY TURNING OF SAID HOUSING WILL CAUSE TURNING OF SAID KEY BIT, PORTIONS OF SAID SPRING MEANS ABUT THE INNER WALL PORTIONS OF SAID HOUSING ON EACH SIDE OF SAID SLOT AND OPPOSSITE PORTIONS OF SAID SPRING MEANS ABUT THE INNER WALL PORTIONS OPPOSITE SAID SLOT WHEREIN SAID SPRING MEANS ARE HELD BETWEEN SAID INNER WALL PORTIONS TO LOCK SAID SPRING MEANS IN SAID HOUSING, SAID SPRING MEANS COMPRISING A FLAT U-SHAPED SPRING MEMBER HAVING SPACED PARALLEL ARMS, SAIS REAR PORTION OF SAID KEY BIT SLIDING INTO SAID HOUSING BETWEEN SAID ARMS, ONE OF SAID SPRING MEANS HAVING A DETNET ON THE INNER EDGE THEREOF ADJACENT ITS FREE END, SAID REAR PORTION OF SAID KEY BIT HAVING RECEIVING MEANS ON AT LEAST ONE SIDE EDGE THEREOF, SAID RECEIVING MEANS ENGAGING WITH SAID DETENT OF SAID SPRING MEANS TO RELEASABLY RETAIN SAID REAR PORTION IN SAID HOUSING.
US476278A 1965-08-02 1965-08-02 Key construction Expired - Lifetime US3349589A (en)

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US3700206A (en) * 1971-04-15 1972-10-24 Henry Valve Co Valve assembly
US3729965A (en) * 1971-04-29 1973-05-01 K Gartner Multiple part key for conventional locks
US3797291A (en) * 1972-08-14 1974-03-19 P Simorghi Separable key-head latch and case
US3841120A (en) * 1973-03-28 1974-10-15 K Gartner Multiple part key for conventional locks
US3950973A (en) * 1973-04-24 1976-04-20 Kis France Flat key
US4102166A (en) * 1976-08-26 1978-07-25 Hughes Donald R Key bow cover
USD252732S (en) 1977-12-12 1979-08-28 Price Robert E Key head cover
US4276582A (en) * 1978-12-26 1981-06-30 Lock Light Corporation Key with light
USD259994S (en) 1979-11-08 1981-07-28 Unican Security Systems, Ltd. Key blank
USD274126S (en) 1982-09-17 1984-06-05 Datakey, Inc. Electronic information key
USD274302S (en) 1981-08-14 1984-06-19 Gkn-Stenman Ab Coded key blank
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USD293549S (en) 1986-11-03 1988-01-05 Amerock Corporation Key bow cover
WO1988008913A1 (en) * 1987-05-14 1988-11-17 Deslandes Gerard Key head and key provided with such a head
US4944171A (en) * 1988-02-11 1990-07-31 Pierluigi Oliana Temporary support structure, particularly for emergency keys
US5083662A (en) * 1991-03-12 1992-01-28 Pliant Plastics Corporation Key cover
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USD342887S (en) 1990-07-23 1994-01-04 Mul-T-Lock Ltd. Key blank
USD344011S (en) 1992-07-31 1994-02-08 Emhart Inc. Key bow
USD352888S (en) 1993-08-13 1994-11-29 Emhart Inc. Key bow
USD353320S (en) 1990-07-23 1994-12-13 Mul-T-Lock Ltd. Key blank
USD357169S (en) 1994-07-15 1995-04-11 General Automotive Specialty Co., Inc. Key handle
EP0658670A1 (en) * 1993-12-17 1995-06-21 Valeo Electronique Ignition key for motor vehicles
USD361031S (en) 1993-11-09 1995-08-08 Bauer Kaba Ag Key with removable cover
USD368845S (en) 1993-12-30 1996-04-16 Winloc Ag Key
USD370169S (en) 1993-12-30 1996-05-28 Winloc Ag Key
USD370168S (en) 1993-12-30 1996-05-28 Winloc Ag Key
WO1997017863A1 (en) * 1995-11-13 1997-05-22 Michael Charlton Powell A key holder
US5775148A (en) * 1995-03-16 1998-07-07 Medeco Security Locks, Inc. Universal apparatus for use with electronic and/or mechanical access control devices
EP0879929A1 (en) * 1997-05-22 1998-11-25 Valeo Securite Habitacle Key head forming a casing containing an electronic device
US6233987B1 (en) * 1999-05-07 2001-05-22 Tomy Company Ltd Key holder
EP1350910A1 (en) * 2002-04-05 2003-10-08 Valeo Securite Habitacle Key with longitudinal blocking flaps of the shank inside of the key-head
US6647752B1 (en) * 1999-05-28 2003-11-18 Siemens Vdo Automotive Electronic key for motor vehicle
US6651470B1 (en) * 1999-09-17 2003-11-25 W. Michael Rafter System for ornamenting a key
US20040093920A1 (en) * 2002-11-18 2004-05-20 Howard Raymond W. Key cap
USD491788S1 (en) 2003-07-25 2004-06-22 Jung Kyu Kim Key
USD492574S1 (en) 2002-10-28 2004-07-06 Vick Asmerian Key having transparent plastic domes on bow for covering decorative indicia
US20040148988A1 (en) * 2003-02-05 2004-08-05 Taylor Mark Raymond Lock key with head and blade
US20050241353A1 (en) * 2004-04-30 2005-11-03 Moening Paul F Interchangeable key system
US20060010944A1 (en) * 2003-05-21 2006-01-19 Volkswagen Ag. Key system for a motor vehicle
US20060032279A1 (en) * 2004-08-11 2006-02-16 Andersen Michael T Key assembly
US20060048553A1 (en) * 2004-09-03 2006-03-09 Keyworks, Inc. Lead-free keys and alloys thereof
USD516897S1 (en) * 2004-10-08 2006-03-14 Jung Kyu Kim Key
USD517397S1 (en) * 2004-10-08 2006-03-21 Jung Kyu Kim Key
US20060090528A1 (en) * 2004-11-01 2006-05-04 Moening Paul F Interchangeable ornamented key system
US20060260370A1 (en) * 2005-05-19 2006-11-23 Kabushiki Kaisha Tokai Rika Denki Seisakusho Mechanical Key
USD537705S1 (en) * 2005-08-25 2007-03-06 Evans Dale M Key
USD548570S1 (en) * 2004-09-21 2007-08-14 Assa Ab Key head
US20070266748A1 (en) * 2003-12-11 2007-11-22 Daimlerchrysler Ag Electronic Key
US20100077811A1 (en) * 2008-10-01 2010-04-01 Shih-Te Liu Unlocking Device for Concealing Keyhole of Lock and Key Therefor
USD625577S1 (en) * 2010-02-08 2010-10-19 Carla Bainter Key with bottle opener in the head
US20110016937A1 (en) * 2006-09-19 2011-01-27 Keyport, Inc. Key organizing device
USD632543S1 (en) * 2010-07-03 2011-02-15 Tai Tong Metal Industrial Co., Ltd. Head shaped key
USD632542S1 (en) * 2010-07-03 2011-02-15 Tai Tong Metal Industrial Co., Ltd. Coat shaped key
US20110219831A1 (en) * 2010-03-11 2011-09-15 Continental Automotive Systems Us, Inc. Automotive key fob having an anti key rattle spring
USD657228S1 (en) * 2011-05-23 2012-04-10 Robert Allan Drake Key blank
USD689759S1 (en) * 2012-06-20 2013-09-17 Schlage Lock Company Llc Oval key bow
USD702527S1 (en) * 2013-02-18 2014-04-15 Kaye Yashar Key blank
USD706530S1 (en) * 2013-12-30 2014-06-10 Tina L. Lawson Key holder
WO2015000940A1 (en) * 2013-07-02 2015-01-08 Johnson Controls Automotive Electronics Sas Mechanical module and key
GB2524988A (en) * 2014-04-07 2015-10-14 Fed Lock Co Ltd Replacement head for a key
US9911368B2 (en) * 2015-09-04 2018-03-06 Thundershirt, Llc Tag holder
USD863037S1 (en) * 2018-03-14 2019-10-15 Thule Sweden Ab Key
USD891086S1 (en) * 2018-10-23 2020-07-28 Yuequn Huang Keychain
US20210238885A1 (en) * 2018-05-03 2021-08-05 Ildar lbragimovich SALIMOV Key having a catch and a replaceable blade, lock, and operating method thereof (variants)
USD1093119S1 (en) * 2022-10-14 2025-09-16 Dormakaba Schweiz Ag Key

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US2672747A (en) * 1949-10-18 1954-03-23 Burnie J Craig Key
DE807979C (en) * 1950-01-24 1951-07-09 Dr Friedrich Wilhelm Jeroch Device for always ready-to-use taking along a security key
US2653492A (en) * 1951-08-10 1953-09-29 Curtis Ind Inc Bimetallic key blank
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US3526112A (en) * 1968-03-27 1970-09-01 Jack D Herrington Keys with rotating heads and method of making same
US3700206A (en) * 1971-04-15 1972-10-24 Henry Valve Co Valve assembly
US3729965A (en) * 1971-04-29 1973-05-01 K Gartner Multiple part key for conventional locks
US3797291A (en) * 1972-08-14 1974-03-19 P Simorghi Separable key-head latch and case
US3841120A (en) * 1973-03-28 1974-10-15 K Gartner Multiple part key for conventional locks
US3950973A (en) * 1973-04-24 1976-04-20 Kis France Flat key
US4102166A (en) * 1976-08-26 1978-07-25 Hughes Donald R Key bow cover
USD252732S (en) 1977-12-12 1979-08-28 Price Robert E Key head cover
US4276582A (en) * 1978-12-26 1981-06-30 Lock Light Corporation Key with light
USD259994S (en) 1979-11-08 1981-07-28 Unican Security Systems, Ltd. Key blank
USD274302S (en) 1981-08-14 1984-06-19 Gkn-Stenman Ab Coded key blank
USD274126S (en) 1982-09-17 1984-06-05 Datakey, Inc. Electronic information key
EP0116868A3 (en) * 1983-02-19 1984-12-19 Heinz Wolter Key
US4562712A (en) * 1983-02-19 1986-01-07 Heinz Wolter Key
USD293549S (en) 1986-11-03 1988-01-05 Amerock Corporation Key bow cover
WO1988008913A1 (en) * 1987-05-14 1988-11-17 Deslandes Gerard Key head and key provided with such a head
EP0293948A1 (en) * 1987-05-14 1988-12-07 Gérard Deslandes Key head and key with such a head
US4901548A (en) * 1987-05-14 1990-02-20 Gerard Deslandes Key head and key fitted with such a head
US4944171A (en) * 1988-02-11 1990-07-31 Pierluigi Oliana Temporary support structure, particularly for emergency keys
USD342887S (en) 1990-07-23 1994-01-04 Mul-T-Lock Ltd. Key blank
USD353320S (en) 1990-07-23 1994-12-13 Mul-T-Lock Ltd. Key blank
USD353760S (en) 1990-07-23 1994-12-27 Mul-T-Lock Ltd. Key blank
US5181605A (en) * 1991-03-12 1993-01-26 Pliant Plastics Corporation Key cover
US5083662A (en) * 1991-03-12 1992-01-28 Pliant Plastics Corporation Key cover
US5181927A (en) * 1991-07-31 1993-01-26 Song Chang J Frame lock mechanism for a key light
USD344011S (en) 1992-07-31 1994-02-08 Emhart Inc. Key bow
USD352888S (en) 1993-08-13 1994-11-29 Emhart Inc. Key bow
USD361031S (en) 1993-11-09 1995-08-08 Bauer Kaba Ag Key with removable cover
EP0658670A1 (en) * 1993-12-17 1995-06-21 Valeo Electronique Ignition key for motor vehicles
FR2714102A1 (en) * 1993-12-17 1995-06-23 Valeo Electronique Motor vehicle ignition key.
USD370169S (en) 1993-12-30 1996-05-28 Winloc Ag Key
USD368845S (en) 1993-12-30 1996-04-16 Winloc Ag Key
USD370168S (en) 1993-12-30 1996-05-28 Winloc Ag Key
USD357169S (en) 1994-07-15 1995-04-11 General Automotive Specialty Co., Inc. Key handle
US5775148A (en) * 1995-03-16 1998-07-07 Medeco Security Locks, Inc. Universal apparatus for use with electronic and/or mechanical access control devices
WO1997017863A1 (en) * 1995-11-13 1997-05-22 Michael Charlton Powell A key holder
FR2763625A1 (en) * 1997-05-22 1998-11-27 Valeo Securite Habitacle KEY WITH A HEAD FORMING A HOUSING CONTAINING AN ELECTRONIC DEVICE
EP0879929A1 (en) * 1997-05-22 1998-11-25 Valeo Securite Habitacle Key head forming a casing containing an electronic device
US6233987B1 (en) * 1999-05-07 2001-05-22 Tomy Company Ltd Key holder
US6647752B1 (en) * 1999-05-28 2003-11-18 Siemens Vdo Automotive Electronic key for motor vehicle
US6651470B1 (en) * 1999-09-17 2003-11-25 W. Michael Rafter System for ornamenting a key
EP1350910A1 (en) * 2002-04-05 2003-10-08 Valeo Securite Habitacle Key with longitudinal blocking flaps of the shank inside of the key-head
FR2838151A1 (en) * 2002-04-05 2003-10-10 Valeo Securite Habitacle KEY WITH LONGITUDINAL LOCKING LEGS INSIDE THE HEAD
USD492574S1 (en) 2002-10-28 2004-07-06 Vick Asmerian Key having transparent plastic domes on bow for covering decorative indicia
USD502088S1 (en) * 2002-10-28 2005-02-22 Vick Asmerian Key having transparent plastic domes on bow for covering decorative indicia
US20040093920A1 (en) * 2002-11-18 2004-05-20 Howard Raymond W. Key cap
US6928845B2 (en) * 2002-11-18 2005-08-16 Raymond W. Howard Key cap
US20040148988A1 (en) * 2003-02-05 2004-08-05 Taylor Mark Raymond Lock key with head and blade
US20060010944A1 (en) * 2003-05-21 2006-01-19 Volkswagen Ag. Key system for a motor vehicle
US7290419B2 (en) * 2003-05-21 2007-11-06 Volkswagen Ag Key system for a motor vehicle
USD491788S1 (en) 2003-07-25 2004-06-22 Jung Kyu Kim Key
US20070266748A1 (en) * 2003-12-11 2007-11-22 Daimlerchrysler Ag Electronic Key
US20050241353A1 (en) * 2004-04-30 2005-11-03 Moening Paul F Interchangeable key system
US7181939B2 (en) * 2004-08-11 2007-02-27 Andersen Michael T Key assembly
US20060032279A1 (en) * 2004-08-11 2006-02-16 Andersen Michael T Key assembly
US20060048553A1 (en) * 2004-09-03 2006-03-09 Keyworks, Inc. Lead-free keys and alloys thereof
USD548570S1 (en) * 2004-09-21 2007-08-14 Assa Ab Key head
USD517397S1 (en) * 2004-10-08 2006-03-21 Jung Kyu Kim Key
USD516897S1 (en) * 2004-10-08 2006-03-14 Jung Kyu Kim Key
US20060090528A1 (en) * 2004-11-01 2006-05-04 Moening Paul F Interchangeable ornamented key system
US20060260370A1 (en) * 2005-05-19 2006-11-23 Kabushiki Kaisha Tokai Rika Denki Seisakusho Mechanical Key
US8695388B2 (en) * 2005-05-19 2014-04-15 Kabushiki Kaisha Tokai Denki Seisakusho Mechanical key
USD537705S1 (en) * 2005-08-25 2007-03-06 Evans Dale M Key
US20110016937A1 (en) * 2006-09-19 2011-01-27 Keyport, Inc. Key organizing device
US8485007B2 (en) * 2006-09-19 2013-07-16 Keypoint, Inc. Key organizing device
US20100077811A1 (en) * 2008-10-01 2010-04-01 Shih-Te Liu Unlocking Device for Concealing Keyhole of Lock and Key Therefor
US8397547B2 (en) * 2008-10-01 2013-03-19 Shih-Te Liu Unlocking device for concealing keyhole of lock and key therefor
USD625577S1 (en) * 2010-02-08 2010-10-19 Carla Bainter Key with bottle opener in the head
US20110219831A1 (en) * 2010-03-11 2011-09-15 Continental Automotive Systems Us, Inc. Automotive key fob having an anti key rattle spring
US8485008B2 (en) * 2010-03-11 2013-07-16 Continental Automotive Systems Us, Inc. Automotive key fob having an anti key rattle spring
USD632542S1 (en) * 2010-07-03 2011-02-15 Tai Tong Metal Industrial Co., Ltd. Coat shaped key
USD632543S1 (en) * 2010-07-03 2011-02-15 Tai Tong Metal Industrial Co., Ltd. Head shaped key
USD658971S1 (en) * 2011-05-23 2012-05-08 Robert Allan Drake Key blank
USD657228S1 (en) * 2011-05-23 2012-04-10 Robert Allan Drake Key blank
USD689759S1 (en) * 2012-06-20 2013-09-17 Schlage Lock Company Llc Oval key bow
USD702527S1 (en) * 2013-02-18 2014-04-15 Kaye Yashar Key blank
WO2015000940A1 (en) * 2013-07-02 2015-01-08 Johnson Controls Automotive Electronics Sas Mechanical module and key
FR3008124A1 (en) * 2013-07-02 2015-01-09 Johnson Contr Automotive Elect MECHANICAL MODULE AND KEY
USD706530S1 (en) * 2013-12-30 2014-06-10 Tina L. Lawson Key holder
GB2524988A (en) * 2014-04-07 2015-10-14 Fed Lock Co Ltd Replacement head for a key
GB2524988B (en) * 2014-04-07 2017-12-27 Fed Lock Co Ltd Replaceable head for a key
US9911368B2 (en) * 2015-09-04 2018-03-06 Thundershirt, Llc Tag holder
USD863037S1 (en) * 2018-03-14 2019-10-15 Thule Sweden Ab Key
USD876925S1 (en) * 2018-03-14 2020-03-03 Thule Sweden Ab Key
US20210238885A1 (en) * 2018-05-03 2021-08-05 Ildar lbragimovich SALIMOV Key having a catch and a replaceable blade, lock, and operating method thereof (variants)
US11840863B2 (en) * 2018-05-03 2023-12-12 Ildar Ibragimovich Salimov Key having a catch and a replaceable blade, lock, and operating method thereof (variants)
USD891086S1 (en) * 2018-10-23 2020-07-28 Yuequn Huang Keychain
USD1093119S1 (en) * 2022-10-14 2025-09-16 Dormakaba Schweiz Ag Key

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