US1431996A - Hand-power press - Google Patents

Description

1. s. TOWNSEND.

HAND POWER PRES. APPLICATION FILED APR. 13,1921- 1,431,99 mte Oct. 17,1922.

4 E I o (o tr: 1: v 152 i IV z i l i I a '2 W IZ-H Patented on. 17, 1922.

UhilTEEl) STATES PATENT @FFlfiti.

JOHN S. TOWNSEND, OF HARVEY, ILLINOIS, ASSIGNOR 'IO WI-IITING CORPORATION, OF HARVEY, ILLINOIS, A CORPORATION OF ILLINOIS.

- HAND-POWER PRESS.

Application filed April 13, 1921. Serial No. 461,165.

To all 10 7mm it may concern:

Be it known that I, JOHN S. TOWNSEND, a citizen of the United States. residing at Harvey, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in Hand-Power Presses, of which the following is a specification.

In applying cushion material to suitable coverings to form upholstered cushions, chair seats, etc, it is necessary to have a power press, usually a hand one, in which the operating plate or cradle which actually does the pressing shall be quickly movable a considerable distance to and from the work and in which after the cradle is applied to the work considerable slow moving power may be applied to the work. The object of this invention is to provide a hand power press for this purpose and for convenience it will be described used in this art. It is, however, to be understood that the machine of this invention is really of general application.

The invention consists in means for carrying out the foregoing objects which can be easily and cheaply made, which is satisfactory in use and is not readily liable to get out of order. hilore particularly the in vention consists in many features and details of construction to be hereafter more fully set forth in the specification and claims. I

Referring to the drawings in which similar numerals designate similar parts throughout the several views,

Figure l is a side elevation showing mechanism illustrating this invention in its preferred form.

Figure 2 is a central sectional detail view partially in section from the left hand side Of Figure 1.

Figure '3 is a plan view on the of Figure 2. v

The mechanism of this inventionis preferably supported atits top from. a suitable stationary support located above the head of the workman in the particularcase here illustrated, the ceiling 10 of the room in which the device is to, be used. In the drawing, the main frame 12 is shown deline 3-43 pending from such a ceiling 10, the same carrying at its lower portion two blocks 14 and 16 secured in place by screws 18 of conventional form. These blocks are perfo- 28 to which is attached a cord or chain 30 passing over pulleys 32 and 8st terminating in a counterweight 36 tending to normally pull the shaft 22 upward.

Rigidly secured to the lower end of the sleeve and secured thereto by any suitable means is a collar 38 whose lower surface terminates in a thrust bearing l0 which in turn bears against the upper edge of the hub' lQ of a hand wheel 44, screw threaded onto the threads 2d of shaft 22, heretofore referred to. I'Vhen the operator rotates wheel 4A he causes hub 42 to travel up or down screw 2% thereby in one direction of rotation pulling the screw and consequently the shaft, downward against the pull of'weight 3 6 and in the opposite direction permitting the weight to pull the shaft upward to a higher position.

Pivotally connected on suitable screws 46 on opposite sides of collar 38 are a pair of short links 48 pivotally connected at 50 to a curved lever 52 connected at' 54 by means of screws56 to bracket extensions 58 on the lower end of block 16. Pivotally connected to the upper ends of levers is an operat- .1ng rod or lever 60 havmg a graspable ved when in lowered position, as shown in dotted lines of Figure l, to engage the seat frame 68 and press it on to upholstery material 70,previously placed inthe seat cover member 72 resting on the moldor base 74:, this as well understood in the artso that the edges of member 7 2 may be attached at the sides of the seat while the packing is under pressure.

sarily pressing upon the frame (38.

In the operation of the device, the parts are placed in the full line position of Figure 1 which gives ample room below cradle 66 for assembling the work to be pressed. The operator then takes hold of handle 62 and by quick movement lowers the parts to the dotted line position of Figure l in which the cradle 66 near but not neces in this position the levers -i-."'= f3 lock together as shown in dotted lines, l igure l, and ru'event upward movement of the Cradle 6h. The operator now tunes hold of the hand wheel -.l-4- and by rotating it forres cradle (36 downward until, within the limits of the machine,

much pressure as is desired has been upplicd to the seat member.

I When the cushion maker has finished his Work the operation just described is reversed and the finished cushion removed. In the operation the moving of lever 60 from dotted line position to full line position of Figure 1 the weight 36 practically does the work, as soon as the lever mechanism has been moved sufficiently to release the lock of levers 48-52, shown in dotted lines, Fig-- ure 1.

Having thus described my invention what I'claim as new and desire to secure by Letters Patent, is

1. In mechanism of the class described, a supporting, frame, two members mutually reciprocatable with reference to each other, and with reference to said frame, meansurging one of said members in a given direction with reference to the frame, means on the same member for limiting its motion with reference to the other reciprocatable memher, and for moving it with reference to said other reciprocatable member contrary to the direction of movement caused by said urging means, and means for moving the second reciprocatable member with reference to the frame and locking it in extended position, for the purposes set forth.

2. Tu mechanism of the class described, a

supporting frame, two members mutually reciprocatable with reference to each other, and with reference to said frame, means urging one of said members in a given d ircction with referenm to the frame. a hand m anipulatablo wheel, screw threaded on the same member for limiting its motion with referonce to the other reciprocatable member, and for moving it with reference to said other reciprocatable member contrary to the direction of the pull of said means, a lever mechanism for moving the second reciprocatable member with reference to the frame, and looking it in extending position, and a pressure exerting member carried by the first of said telescoping members, for the purposes set forth.

3. In mechanism of the class described, a vertical supporting frame, two mutually re,

ciprocatable telescoping members slidable with reference to said frame, a mechanism normally moving one of said. reciprocal-table members upward with reference to the frame, means on the same reciprocatable member limiting its motion with reference to the other reciprocatable member and for moving it with reference thereto contrary the direction of the urge of the moving means, means for moving the second telescopic member with reference to the frame and locking it in extended position and a pres sureexerting member on the lower end. of the first telescopic member.

411. In mechanism of the class described, a vertically depending frame having therein a perforation through which a telescoping shaft and enclosing sleeve vertically reciprocate, a spline device in the frame preventing rotation of the shaft and sleeve with reference to the spline, a collar on the lower end of the sleeve, a lever mechanism or moving the sleeve backward and forward with reference to the frame and looking it in lower position. screw threads on the lower end of the shaft, a wheel threaded on the threads on the shaft, a thrust bearing between the wheel, and the collar on the sleeve, a pressure plate on the lower end of the shaft, and means for urging the shaft upward with reference to the frame, for the purposes set lhlltl l i In mechanism of the class described, a suitable support, a pressure plate reciprocatablv mounted below said support, an intermediate support between the first support and the pressure plate, means for manually n'loving the second support to and from the first support, and means for moving the pressure plate to and from the second support, for the purposes set forth.

6. In mechanism of the class described, a depending supporting frame, a sleeve reciprocatalole vertically in the frame, ashaft in the sleeve reciprooatable with reference thereto, mcans for preventing the sleeve and shaft from rotating with reference to each other and with reference to the frame, means urging the shaft upward in the frame, means :for limiting the upward movement of the shaft in the sleeve, and for moving it contrary to the first mentioned. moving means, a pressure plate carried by the lower end of the shaft and means for manually reciprocating the sleeve up and down with reference to the frame and locking it in extended position, for the purposes set forth.

, In witness whereof, I have hereunto subscribed my name in the presence of two wit nesses.

"Witnesses PAUL BmminLDT,

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