US1695088A - Operating mechanism for pressing machines - Google Patents

Description

'i' TOR. A

A TTORNEY.

Dec. l1, 1928.

A. B. CLISSON OPERATING MEGHANISM FOR PREssING Mmmm@I 2 Sheets-Sheet 2 Filed' Sept. 4, 1924 1 ,gvToR I Wy@ y `BY.

ATTORNEY.

i 'Patented D 1 1, 192s. y

UNITED STATES PATENT OFFICE.

ALBERT B. CLISSON, OF SYBACUSE, NEW YORK, ASSIGNOB, BY ESNE ASSIGNMENTS,

' 10 THE PBOSPEBI'IY COMPANY, INC., 0F SYBACUSE, NEW YORK, A. CORPORATION OF NEW YORK.

OPERATING MECHANISM .'E-'OR PBESSING MACHINES. 'I

application mea september 4, 1924. serial no. 735,840.

This invent-ion relates tov pressing ma.

chines, as garment and laundry pressing mav chinos, and particularly to machines in which the movable `pressing element vor head is moved preliminary toward closed position',

andin so doing shifts themotion transmitting parts into motion transmitting relation, and has for its object connections operable by the .movement of such motion transmitting parts'or by the movable head to connect the power motor to such connections, when said connections have reached effective motion l transmitting relation.

The invention consists in the novel fea-- tures and in the 'combinations and constructions hereinafter set'forth and claimed.

In describing this invention reference is had tothe accompanying drawings in which like characters designate corresponding parts in all the views.

Figure l is a side elevation of a pressing machine embodying this invention.

Figure 2 is a fragmentary front elevation thereof. w l

Figure 3 is a fragmentary detail view of the handleffor the operating or controllingv f mechanism.

This pressing machine comprises, generally, coacting pressing elements one of.

which is movable toward andfrom the other, actuating mechanism for the movable ele. ment, including an intermittently movable power member, motion transmitting means between the power member and the movable element, including parts normally arranged out of effective transmitting relation and movable into such relation by a preliminary movement of the head or movable element toward closed position, power means as an electric or other motor, and operating mechanism operable to connect the power means to said member, and means operated by the motion transmitting connections for effecting the automatic operation of the operating mechanism, when the motion transmitting parts g have been'brought into effective motion transmitting relation.

I have here shown my mvention as applied to a conventional type of garment and laundry pressingmachine, including a stationary pressing element or buck 1, and a mov- `able element or head 2, movable toward and from the buck 1. The buck 1 is mounted upon a suitable bracket 3, which in turn is lever or yoke 6, pivoted between its ends at 7, to a standard '8, rising'from the frame of the machine or the rear leg 5 thereof, the rear arm of the lever carrying a suitable weight/9 for counter-balancing the head, for

moving it toward open position. Also a spring 10 is usually connected to thel rear arm o f the lever 6 to act in conjunction with the weight 9.

The intermittently actuated power member is here shown as .a lever 11, pivoted at 12 between 'its ends to the lower end ofthe leg 5, this `lever being actuated by an intermittently rotatable shaft 13 having an eccentric 14 thereon, lcoacting with 'a face 15 on the front end of the lever 11. The shaft 13 makes a half revolution during each operation and is actuated by the power means, which is usually an electric motor 16. -'Th1s motor is preferably constantly running, instead of an alternately starting and stopping, and the motion is transmitted to the shaft 11- through mechanism housed within the casing 17 and including avperiodic or half revolution clutch of an suitable construction. As the construction. thusfar described, forms no part of this invention, further description is lthought to be unnecessa it being merely necessary to bear in min that the periodic clutch is thrown to its in position manuallyor by a manual operation, and automativ cally thrown to its out position after the shaft 13 has completed each half revolution.

The lever 11 is caused to follow the cam a suitable s ring 18.

- The motion transmitting means between vthe lever 11 and the head 2, in additionv to the yoke or lever 6, comprises toggle links 19 and 20, pivoted together at 21, and pivoted respectively at'22 and 12'to the rear arm of the yoke or lever 6, and to the frame, the link 2O being usually pivoted to the frame on the same pivot-12 that the lever 11 is mounted on. In, vaddition to this toggle which. when straightened applies pressure to the head 2, the motion transmitting means includes a connection for straightening the toggle and causing it to ap ly the pressure. This connection is here s own as a thrust link 23 pivoted at 24 to the rear arm of the lever 11,'and

normally arranged in nearly upright posibyV ion

tion, it being held in such position by a nut 25 threading on a screw 26, which nut 1s pi-voted at 27 to the rear leg `5. A spring 28 is inserted between the frame and the link 23 and tends to thrust the link against the nut 25. This thrust link 23 coacts with an extension 29 of the link 19, the thrust link 23 and the extension 29 being provided with coacting teeth 30 and 3l.

When the press is open and the toggle links 19, 2O are folded rearwardly, the tooth 31 is located to the rear of the tooth 3() of the thrust 23, but when the head 2 is moved preliminarily toward closed position by pulling down the handle 32, thetoggle links 19, 20`are moved to such a position that the teeth 31 and 30 come into engagement, and hence, any downward movement. of the power lever 11 is transferred through the thrust link 23 to the toggle and causes the toggle to move more nearly into a straightened position and applies pressure to the press head. The

parts are preferably'adjusted, so that, the

teeth 31 and 30 do not come into engagement until after the press head 2 has been preliminarily closed or until the press head 2 is so close tothe work on the buck l, that it is impossible for the operator to have his hands or fingers between the buck 1 and the head 2, or if he does have his hands in this position, the head cannot be closed far enough to bring the tooth 31 into engagement with the tooth 30.

The operation mechanism for throwing the clutch to connect the motor 16 to the shaft 13 comprises a rock shaft 32* extending forwardly and rearwardly of the machine on the right hand side thereof and having a rock arm 34 thereon and also a handle 35 at its front end. The rock arm 34 coacts with the rock arm 36 mounted on a rock shaft 37in the clutch housing 17. The rock shaft 37 serves to throw the clutch to its in position. As here shown the rock arm 34 is shifted to actuate the arm 36 and is provided with a pawl 38 pivoted at 39 and coactmg with the` tooth 40 on the armv36. The arrangement of the pawl 38 and tooth 40 is such that depreion vof the handle rocks the shaft 32* and arm 34 in a counter clockwise direction, causing the pawl 38 during sucn movement of the' arm 34, to press against the tooth 40 and rock the lever 36. in a clockwise direction, until the pawl clears the tooth 40.

-When the operator releases his hold onthe handle the weight of the4 arm 34 returns the handle to its normal position and the pawl 38 i ratchets to the front left hand side of the tooth 40. Suitable set screws 41 and 42 are provided for adjusting the relative positions of the pawl 38 and tooth 40. The construction of this'operating mechanism forms no part of this invention. j

The connection between the motlon transmtting means operated by the lever 11 and the operating mechanism of the shaft 32l and associated parts, by which said operating mechanism is automatically actuated when preliminary closing movement'of the head 2,

and actuate the latch to cause it to actuate thejshaft 32a, and hence, thrust the clutch 43 designates the arm, which is here shown as xed to the toggle link 20 to move therewith, this arm extending forwardly and together with the link 20 forming a bell crank.

44 designates the latch depending from a rock arm 45 extending inwardly to the left from therock shaft 32a, the latch being pivoted at 46 to said rock arm 45. The latch is formed near its lower end with a tooth 47 and also with an inclined face 4S below the tooth, this inclined face 48 coacting with a fixed part at 49. During the downward movement of the latch, such coaction causes the latch to be moved on its pivot against the action of a spring 50 to the right, and causes the latch to disengage itself from a member 51 which coacts therewith. This member 51 is here shown as a lever pivoted at 52 and connected by a link 53 to the front end of the arm 43 it being connected to the arm 43 by a lost motion connection, as a pin and slot connection- 54.V The engaging projecting end 55 of this lever 51 also coacts with inclined face downward movement of this latch 44 rocks the shaft 32* of the clutch operating mechanism and causes the clutch to be thrown to its in position, so that the shaft 13 makes a half revolution from` the position diametri-l cally opposite that shown in- Figure `1, and depresses the lever 11. V.As the thrust link 23 and the extension 29 of the toggle 19 are 1n -motion transmitting relation the actuation of Athe ower lever 11 1s transferred to the head e downward movement'of the power lever 11 actuates the thrust link 23 and causes the toggle links 419 and 20 to` move more nearly into their dead center line, or into the position shown in Fig. 1. vAfter thearm 43 leased from the lever 51, so that, the handle and shaft 32a are free to return to their normal position for manual opera-tion to open th'epress. When the latch 44 moves upwardly to its normal position the latch face 48 is brought into engagement with the end 55 of the lever 51, as shown in Fig. 2.

During the manual operation of the shaft 32 to open the press the latch 44 is depressed and hence moves relatively to the member 51,.

and during its downward movement the tooth 47 ratchets-into engagement with the member 5 1, the member 51 with its engagingor projecting end 55 having, during the opening movement of the press, been raised into position to engage the shoulder 47 of the latch 44 by the lever 43, so that the spring acting on the'latch 44 moves the latch into engagement with the tooth 55 of. the lever 51and the parts are in position for the next operation.

What I claim is 1. In a pressing machine, the combination of coacting pressing elements, one movable toward and from the other, actuating mechanism for the movable elementincluding an intermittently movablepower member, motion transmitting connections between the power member and the movable element including parts normally out of effective motion transmitting relation and' movable into such relation by a preliminarymovement of the movable element toward closed position,`

\ power means and operating mechanism operable to connect the power means to said member, said operating mechanism including a shift-able clutch section and'means operated by said motiontransmitting connections to eiect the automatic throwing of the clutch.

section into clutching position when said parts have been brought into effective motion transmitting relation by the preliminaryA closing of the movable element.

2. In a pressing machine, the combination of 'coacting pressing elements, one movable toward and from the other, actuatingmech.- ani'sm for the movable element including an intermittently movable .power member, mo-

tion .transmitting connections between the power member and the movable element includingparts normally arranged outfof efective motion A transmitting relation land movable into such relation by the preliminary movement of the movable element to-v ward closed positiom-power means', operating mechanism operable to connect the power means to said member including a periodic clutch including a shiftable vclutch section and means operated by the motion transmitting connections for shifting said section into clutching position and said operating mechanism also having a handle for shifting the clutch section into operative position when the press is closed. i'

3. In a pressing machine, the combination of coacting pressing elements,'0ne movable toward and from the other, actuating mechanism for the movable element including an le to connect the power means to said member, and means operated by the motion transmitting connections for eifecting the automatic operation of the operating mech anism when said parts have beenb'rought i'n-to efective motion transmitting relation, the last mentioned means comp-rising a latch member vconnected to the operating mechanism, a member connected to one of said parts and arranged to normally engage the latch member, and means vfor. forcing "the latch member out lof engagement with the member coacting therewith, when the press reaches closed position, and thereby permitting the operating mechanism to return to its normal position. f

4. In a pressing machine, the combination of coacting pressing elements` one movable toward and from the other, actuating `mechanism for themovable element including an.

intermittentlyT movable power member, mo-

tion transmitting means between the power member and the movable element, inclding f parts norally arranged lout of effective motion transmitting relation and movable into such relation by a preliminary movement of the movable element toward closed position, power means, and. operating mechanism operable to connect the lpower means to said member, and means operated by the motion transmitting connections for effecting the automatic. operation of the operating mech- I anism when said parts have been l"brought into effective motion transmitting relation, the last mentioned means comprising a latch member lconnected to the operating mechanism, a member connected-to one of the said parts and arranged to normally engage the latch member, the latch member beine,r

formed with` an inclined face, a throw of vpart arranged in the path of said face and forcing-the latch member out of engagement withv the member coactingtherewith as the press reaches its closed'postion, suchmemf ber which coacts with the latch being also to ratchet intoengagement with the latch member as the pressis opening.

` 5. In a pressing machine the combination of coacting pressing elements, onemovable '125 arranged to'eng'age the inclined face, in order.

y toward and from the other, actuating mechtion transmitting relation by the preliminary movement of the movable element towardclosed position, power means, operating mechanism operable to connectu the power means to said member and having an operator-operated part by which said mechanism is operated to connect the power means' and said'member to open the press from closed posltion, a movable latch associated with the operating means, an arm movable with oneo the motion transmitting parts, and connections-between the arm and the latch including a piece having a tooth coacting withV the latch to engage and actuate the latch and parts connected thereto during the prelimiof coact' 'Y toward si nary closing of the press.

' 6. In a pressing machine the combination of coacting elements, one movable toward and om the other, actuating mechanism for the movable element including an intermittently movable power'member, motion transmitting means between the power member and the movable element including parts normally arranged out of eiective motion transmitting relation and movable into motion transmitting relation by the preliminary movement of the movable element toward closed position, power means, operating mechanism operable to connect the power means to said member and having a handle operable for actuat' said means to connect t'e power means an said member to open -the 'press fromclosed position, a movable latch member associated with the operating mechanism, an' arm movable with one of said motion transmitting parts, va llever coacting with the latch to actuate' it anda link connecting said arxir and the lever whereby the motion 01E theV motion transmitting part is transferred'throgli said arm, link and lever to the latchtoactuate the operating mechanism duringthepreliminary closing ofthe press. e

7 Ina pressingimachme thecombmation prreesing elements; one movable om the other, actuating mechanism for'the'movable element including an i intermittently movable power member, motion transmitting means between the power member and the movable element including parts normally arranged out of eiective motion transmitting;v rela-tion and movable into motion transmitting relation by the preliminary A movement of the movable element toward closed position, power means, and operating mechanism operable to connect the wer means and said member and having a andle to actuate said operating mechanism to connect the power means, and said member to effect the opening of the press from closed position, a movable latch member movable with said handle, an arm movable with one of the motion transmitting parts, a lever coacting with the latch to actuate it during the preliminary 'closing of the press and a link connecting said arm and the arm and link being connected to said arm by a lost motion.

8. In a pressing machine the combination of coacting pressing elements, one movable toward and from the other, actuating mechanism for the movable element including an intermittently movable power member, motion projection coacting with the latch and a link p connecting said arm and the lever, the lever engaging the latch to actuate the operating mechanism during the preliminary closingv of the press, and means to shift the latchout of engagement with said rojection when the latch has been operated the projection.

In testimony whereofx,Y I have hereunto signed my name, at Syracuse, in the county of Onondaga, and in the State of New York, this 20th day of August, 1924.

ALBERT B. CLIssoN.

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