Textiles: weaving – Warp manipulation – Shedding
Patent
1985-12-12
1988-03-15
Hornsby, Harvey C.
Textiles: weaving
Warp manipulation
Shedding
74570, 192 28, D03C 100, G05G 100, F16D 1106
Patent
active
047306416
ABSTRACT:
A driving coupling includes two pawls which are supported pivotally on an eccentric ring and which in a patternlike manner engage a longitudinal groove in the drive shaft. Each of two plates of a toggle-lever joint engages an arm extension of a respective pawl, the swivel axle of the toggle-lever joint being guided in a control groove of a swinging switching arm. When the pawls are engaged with a drive shaft groove, the toggle-lever joint is in an extended position which locks the pawls in position. For unlocking the pawls, the switching arm moves the toggle-lever joint into a catch opening between two guide rails. The pawls swing out and the drive shaft rotates without carrying along the pawls and the eccentric ring.
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patent: 4597417 (1986-07-01), Schwarz
patent: 4614211 (1986-09-01), Mettler
Hornsby Harvey C.
Machuga Joseph S.
Staeubli Ltd.
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