Advancing material of indeterminate length – Means to engage longitudinally spaced modifications in material – Reciprocating or oscillating claw or finger
Patent
1981-10-09
1983-05-31
Gilreath, Stanley N.
Advancing material of indeterminate length
Means to engage longitudinally spaced modifications in material
Reciprocating or oscillating claw or finger
226 62, 226162, B65H 1740
Patent
active
043857183
ABSTRACT:
Apparatus (20) for imparting stepwise movement to a strip (10) having pilot holes (12) comprising, a frame (27), a carriage (26) mounted by said frame to be longitudinally movable in relation thereto, a pin (22) coupled with said carriage movable therewith and laterally movable in relation to said path between positions at which pin is adapted to enter into and to be retracted from a pilot hole in said strip. A link (30) is adapted to undergo alternate forward and reverse strokes and is coupled to said carriage by a lost motion coupling (46, 57, 56, 57) so that, during a first interval of each such stroke, the carriage and link are uncoupled with the carriage remaining stationary and, during a second interval of each of such strokes, the carriage and link are coupled to move together. Camming surfaces (31, 32) are responsive to change in the relative positioning of the carriage and link to move the pin to positions the pin enters into a pilot hole and is retracted therefrom the overall movement of the pin producing the stepwise movement.
REFERENCES:
patent: 1403106 (1922-01-01), Pittman
patent: 1860144 (1932-05-01), Gaisman et al.
patent: 2001520 (1935-05-01), Carlson
patent: 2768826 (1956-10-01), Gaite
patent: 2866638 (1958-12-01), Mannisto
Gilreath Stanley N.
Jordan J. J.
Western Electric Company Inc.
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