US1406846A - Wire stretcher - Google Patents

Description

FL J. GLEASON.

l wmf STRETCHER;

APILICATION FILED -FEIL I0' II92.

1,406,846, Patented Feb. 14, I1922.

a sains-SHEET 1.

F. 1, GLEAsoN.

WIRE STRETCHEH.

APPLICATION FILED vFEB. I0, 1920.

mentaal Feb. 14, 1922.

3 SHEETS-SHEET 2.

F. GvLEASDN. wmf sTRETcHEn.

l APPLICATION FILED FEB. l0, |920. l1,406,846, PatentedFeb. 14, 1922.

3 SHEETS-SHEET 3.

extension 8S secured to the bifurcated forward end portion of the attaching plate 35. A hooked arm 39 is pivoted to the lever 37 intermediate its ends and is adapted to engage the cha-in 33 for rigidly securing the same about the support 32.

As' illustrated Vin Figure 2, the uprights ll'arc secured to the transversely extending end pieces 15 at points spaced inwardly 'from their ends. rllhe locking device 35 is secured to one of these extended end portions of the members l5 and engages one side of the adjacent'upright and is thereby rigidly braced. lVhen the hook 39 is engaged With one end oit the chain, the lever 37 is forced rearwardly to the channel or recess 3T intermediate the side flanges of the adjacent uprights ll and is thereby caused to anchor the stretcher to the support 32.

As illustrated in Figure 5, the device is adapted to be employe-d in conjunction with a pulley and block connection 40, which is anchored to the support 32 by a cable 42 or other suitable means. The block 40 includes sets o'l sheaves 43 and 44 about Which pass a. cable 45. One end oi' the cable as is obvious is attached to one or' the sheaves and the! other end is attached to the stretcherudrum. T he forward end of the block and tackle 40 is connected to a single block V46 upon which are mounted a plurality of sheaves 47. The sheaves 47 are engaged by cables 48 which have their ends connected thereto and to independent pulleys 49. A relatively short cable is passed about. each pulley 49 and has its ends secured to Wires 5l through the medium ot clamping devices 52. When the block 46 is drawn rearwardly by the stretcher and block and tackle, the cables 50 are also drawn ref-irivardly and the Wires 5l are thereby tightened. In the event that one Wire stretches more than the other, the cable 50 may move about the pulley 49 and thereby compensate afor the difference in the stretching of each Wire.

In the practice of my invention, the stretcher may be applied to a base and a single wire connected directly to the Windn ing drum of the same, and stretched as tightly as desired.

Should it be' desired to stretch a plurality of Wires simultaneously, the pulley and block connect-ion shown in Figure 5 is employed, and by reason of the pulleys 49 and associated elements, the Wires may be uniformly stretched.

IVhile I have shown and described the preferred embodiment of my invention, it is understood that suchV minor changes in arrangement ,and construction of parts may be made as Will remain Within the spirit of the invention and the scope of the appended claims.

Having thus described my invention, what I claim is:

l. A stretcher of the class described having a frame, stretching mechanism, mounting members therefor, a support-engaging member integral with said members, a liexible securing element on the support-engag ing member, a link secured to said supportnig-engaging member, a lever pivoted to the FRANCIS J. GLEASON. lVitnesses C. R. BOND, CHAs. WV. RINTER.

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