US1383977A - Electric clipper - Google Patents

Description

L. M. BOWMAN.

ELECTRIC CLIPPER.

APPLICATION mm ruLY 8.1919.

1,383,977. l 'Patented my 5, 1921.

l l 5: 'MW

al1/mall.

UNITED l.STATES PAIENT yorf'lF-lca.

LEVI M. BOWMAN, OF TULSA, OKLAHOMA, ASSIGNOROF ONE-HALF T WILLIAM A. SMITH, ONE-FOURTH T0 L. N. BUTTS, -ANI) ONE-FOURTH T0 GEORGE S. BERRY,

.ALL TULSA., OKLAHOMA.

citizen of the United States, residing at Tulsa, in the county of Tulsa, and State of Oklahoma, have invented certain new and useful Improvements in Electric Clippers;

.and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to clippers andlthe primary object of the invention is to provide an` improved means for automatically operating the clippers so as to eliminate the necessity of operating the same by hand."

A further object of the invention is to provide an improved pair of clippers which can be efectively used for cuttingr hair or shearing animals, such as sheep and the like.

A further object of the invention is to provide an improved pair of clippers electrically operated, which is light in weight and easy to handle and which eliminates the necessity of employing an electric motor.

A further object of the invention is to provide an improved clipper embodying the usual stationary and movable blades and having a hollow handle carried by the stationaryblade containing a solenoid, the core of which is operatively ,connected to the movable blade A further object of the invention is to provide an improved electric driven device of the above character, in which the clippers can be readily removed and other instruments attached thereto, such as scissors, massages or the like.

A still Ifurther ob'ect of the invention is to -providean improved device of the above y facture, and one that can be placed upon the Hmarket at a reasonable cost.

vVith these and other objects in view, the invention consists in the novel* construction, arrangement and formation of parts, as will be hereinafter more specifically described,

claimed and illustrated in the accompanying drawings, forming a part thereof, in which:

through the same.

Y ELECTRIC CLIPPER.

Specication of Letters Patent. l Patented July 5, 1921.

Application led July 8, 19,19. lSerial No. 309,323.

Fig. 3 is a cross section taken onthe line 3--9v of Fig. 2. l Flg. 4 is afdetail fragmentary View showmg the massager attached thereto.

Referring to the drawings in detail,where in similar reference characters designate corresponding parts throughout the several views, the numeral 1 generally indicates the improv'ed device which includes the hollow1 cylindrical handle 2, having the yremovable insulating end caps 3 and 4secured thereto.

The casing 2 has detachably secured thereto at the forward endthereof a forwardly projecting stationary blade 5 provided with a plurality of teeth 6 forming a cutting comb. The blade 5 is provided with a reduced shank 6, which is provided with an aperture 7 which is adapted to register with an aperture formed in the end of the casing and the registering apertures are adapted to receive a suitable fastening element such as screws 7 or the like to hold the same in position. A solenoid 8 is tted in the forward end of the casing and is pro` vided with a reciprocatory softiron plunger 9 which carries a brass operating bar 10 which is slidably fitted in a guide opening 11 formed in the end cap 4 and the operating rod extends outwardly and exteriorly of the cap. A 'coiled spring 12 is mounted in the bore 13 formed in the outer end of the soft iron core 9 which receives the operating bar 10 and the spring forms a resilient rebound seat for the same. A brass washer 14 is secured to the forward end of the han-v dle 2in abutting relation with the end cap 4 and the same receives the tubular guide 16 in which is fitted the expansion'spring 15, which is coiled around the operating rod 10. The spring 15 has its outerA end bearing against the washer 14 and its inner end against the core 9 and normally tends to move the core 9 rearwardly in the solenoid 8. A pivot pin 17 is carried by the blade 5 and pivotally supports the bell crank 18, which has one arm thereof provided with a knob 19, which engages a socket 20 carried b the movable blade 21. The movable blade 21 is provided with al plurality of cutting teeth 22, which are adapted to cooperate with the ctlttin comb teeth 6 of the stationary bla e 5 'to sever the hair,I as is in the ordinary conl struction of clippers. The other arm 23 of the bell crank 18 is provided with a rearwardly projecting lug 24, which receives the outer end of a coil spring 25, which has its inner end secured to the operating rod l0. r)The outer end of the operating rod .l0 is reduced as at 26, which enters the inner end of 'the coil spring 25.

From this construction it can be seen that when the core 9 is reciprocated, the'inovable blade 2l will be operated. The casing 2 is provided intermediate its en ds with. an annular insulating block 27 which receives the inner end of the core 9 and forms a guide "for the same. The insulating block 27 has detachably secured thereto rearwardly ertending posts 28 and 29 formed of suitable electrical conducting material. The post 29 has secured thereto the arcuate spring member 30, the free terminal of which extends below the free end of the post 28 and when the same is forced into Contact with the post 28 an electrical contact is made. The cap 3 Yforms the female part of an electric socket 3l and the same is adapted to receive the male portion 32 of the socket which carries the ordinary line wires 83 leading to a suitable electric source. @ne terminal of the female portion of the socket is connected by means of a wire 34- to the post 29 and the opposite contact is connected by a wire 35 to one terminal of the coil on the solenoid 8. The opposite terminal of the coil on they solenoid 8 is connected by means of a wire 36 to one terminal of a switch 37 and the opposite terminal of the switch is connected by a wire 38 ,to the post 28. The switch 37 is adapted to be operated by hand and is of any preferred construction. The post 28 has sl'idably mounted thereon a sleeve 39 carrying an outstanding arm l0 which is arranged in the path of and intermediate the spaced plates ll carried by the reduced extension 42 formed on the inner end of the core 9. The sleeve 39 also carries the depending arm 3 having the angularly extending foot 44 which extends below the arcuate spring 30 and the foot 4l is adapted, as the core completes its rearward or inward movement, to throw the terminal of the spring 30 into engagement with the post 28, so as to close the circuit and permit the coreA to be forced outwardly. As the core completes its forward or outward movement, the sleeve 39 will be moved upwardly or forwardly on the post 28 so` as to withdraw the contact foot 44- from engagement with the spring 30, thereby breaking the circuit and permitting the core 9 to be thrown back by means of the expansion spring 15.

It will be understood, particularly by reference to Fig. 2 of the drawings, that while the outward movement of the core 9 results in an operative or cutting movement of the movable blade in one direction, this blade is returned to normal position by means of a suitable spring connected therewith and with a stationary portion of the clippers,.the spring being extended around the pivot pin 17. 'lhis spring is conventional and not shown on the drawings. This return movement of the cutting blade 2l 'to its normal position will also serve to force the operating rod l0 inwardly to its normal or innermost position, ready for the near outward movement thereof together with the core 9. lt is, therefore, evident that the movable cutting blade 2l has an operating or cutting movement both on the inward and outward movement of the core 9.

F rom the foregoing description, it can seen that is merely necessary to close the switch 37 when it is desired to operate the clippers.

ln Fig. l is illustrateo the device in use in connection with a massager l5 and in this instance a bracket il@ is secured to 'the casing in lien of the stationary blade 5 and pivotally supports the arm Li7 of the massager which has its inner end connected to the spring 25. Thus it will be seen that the core 9 will vibrate the massager in a very efficient manner.

ln practice, l have found that the form of my invention illustrated in the accompanying drawings and referred to in the above description, as the preferred embodiment, is the most efficient and practical; yet realizing the conditions concurrent with the adoption of my device will necessarily vary, l desire to emphasize that `various minor changes in details of construction, proportion and arrangement of parts may be resorted to, when required without sacrificing any of the advantages of my invention as set forth.

`What I claim as new is: i

In a device of the class described, an insulated hollow handle having a tapered socket formed thereon and opening toward one end of said handle, a stationary tool member, a tapered supporting member in` cluding a curved portion and a straight portion removably engaged in said tapered socket, means for securing said straight portion within said socket, a movable -tool member mounted on said stationary tool member, an arm carried by said movable tool member and having a transversely extended portion with a turned free end, a movable operating means projecting from said handle and directed toward and spaced from the turned end of said arm, and resilient connections between said turned end of said arm and the said operating member.

In testimony whereof in presence vof a witness.

Lnvi M. Bow'MaN.

I affix my signature Witness D. A. SMITH.

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