Gripper conveyor II

Details Gripper conveyor II Gripper conveyor II

1993-03-16

1994-07-12

Valenza, Joseph E.

Conveyors: power-driven

Conveyor arrangement for selecting among plural sources or...

By passive material-diverting means placed across the flow path

1988037, 271204, B65G 4746

Patent

active

053280172

ABSTRACT:
A gripper conveyor comprises a moving conveyor chain (1) which is provided with grippers (3), each of which includes a fixed clamping jaw (31), a pivotal clamping jaw (33) and a spring element (36) which biases respective grippers towards their closed positions and an opening mechanism (6; 41, 42, 68) which functions to open selected grippers (3) while the conveyor chain (1) is moving. The pivotal clamping jaw (33) of the gripper (3) is connected to a manoeuvering arm (37) which is activated by the opening mechanism. The manoeuvering arm (37) is mounted for limited pivotal movement in relation to the movable clamping jaw (33). An end-position element (45; 371) is provided for defining a pivotal end-position of the manoeuvering arm in a direction away from the movable clamping jaw. A biasing element (35) which is weaker than the spring element (36) functions to bias the manoeuvering arm (37) in a direction towards its end position.

REFERENCES:
patent: 4307801 (1981-12-01), Hansch
patent: 4381056 (1983-04-01), Eberle
patent: 4921294 (1990-05-01), Klopfenstein
patent: 5178262 (1993-01-01), Merkli et al.

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