Planetary gripper bar drive with adjustable crank and lever arm

Details Planetary gripper bar drive with adjustable crank and lever arm Planetary gripper bar drive with adjustable crank and lever arm

1989-12-05

1991-01-15

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

74 52, D03D 4712

Patent

active

049846094

ABSTRACT:
A gripper bar drive for weaving machines with a cycloid gearbox implemented with a crank arm (3) and an articulated lever (6), has been configured in such a way, that the effective lengths (LK and LH) of the crank arm (3) and of the articulated lever (6), may be modified. This creates the possibility of modifying the stroke of the gripper bars (9) from one value to another, without having to replace the crank arm (3) and the articulated lever (6). Among other things, the implementation can be effected in such a way, that the fastening devices (10) are provided with an eccentric center (M), and the crank arm (3) and the articulated lever (6) may be provided with openings (13, 16) for the fastening devices (10).

REFERENCES:
patent: 3392756 (1968-07-01), Golobart
patent: 3610294 (1971-10-01), Maassen et al.
patent: 3999580 (1976-12-01), Sparling
patent: 4127150 (1978-11-01), Steverlynck
Weiterentwicklung der Doppelgreifer-Florwebmaschine, West Germany, 1976.

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