Mechanical warp stop motion apparatus

Details Mechanical warp stop motion apparatus Mechanical warp stop motion apparatus

1982-09-24

1984-07-31

Kee Chi, James

Textiles: weaving

Stopping

Warp

139360, 139369, 28187, 66163, D03D 5128

Patent

active

044624336

ABSTRACT:
A warp stop motion apparatus includes individual disengageable coupling and control elements which have fork-like ends that are capable of surrounding the lateral sides of drive pins extending outwardly from the opposite sides of the end portions of the respective inner movable serrated bars which slidingly extend into a housing part that is oscillated back and forth by an individual electrical motor. Oscillation of the housing part causes the inner serrated bars to oscillate in their longitudinal direction with respect to outer stationary serrated bars in which they are positioned. Separate adjustable spring loaded locking cams act to keep each coupling and control element in position; however, if an inner serrated bar becomes blocked with respect to its movement relative to the associated outer serrated bar due to drop wire falling across the teeth thereof, the associated coupling and control element will rotate, causing a contact spring to close an electrical circuit which activates a switch to stop the weaving machine and the oscillating movement of the housing part.

REFERENCES:
patent: 2479546 (1949-08-01), Thatcher et al.
patent: 4367771 (1983-01-01), Baumann

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