Transmission and balancing mechanism for the workpiece supportin

Details Transmission and balancing mechanism for the workpiece supportin Transmission and balancing mechanism for the workpiece supportin

1992-02-27

1993-07-20

Meyers, Steven M.

Boot and shoe making

Sole machines

Peripheral indenting

112258, D05B 7500, A43D 4300

Patent

active

052281620

ABSTRACT:
For controlling the movement of the rotating shuttle and the feed plate and the positioning of the workpiece supporting arm of a stitching machine, a transmission and balancing mechanism comprised of an arm body unit which has one end pivoted to the machine body of a stitching machine and an opposite end coupled with a stitching last and attached with a front cap for supporting a stitching workpiece, a transmission unit fastened inside the arm body unit to alternatively rotate a rotating shuttle back and forth through a belt transmission, an oscillating unit fastened in the arm body unit to alternatively rotate a feed plate holder back and forth permitting a feed plate to be constantly aligned with the needle bar, and a balancing unit which comprises a counter weight coupled to a cam shaft to balance the movement of the arm body unit.

REFERENCES:
patent: 1645872 (1927-10-01), Roger
patent: 2179770 (1939-11-01), Wieck
patent: 2623486 (1952-12-01), Scheiwiller
patent: 3058439 (1962-10-01), Fitzgerald et al.
patent: 4375787 (1983-03-01), Brutti

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