Conveyors: power-driven – Conveyor section – Pusher conveyor and separate load support surface
Patent
1987-06-02
1989-01-24
Spar, Robert J.
Conveyors: power-driven
Conveyor section
Pusher conveyor and separate load support surface
74 892, 745015R, B65G 2500
Patent
active
047995858
ABSTRACT:
A catch carrier (28, 28'), on which a pair of conveying catches (30) is pivotally mounted, can be reciprocated along a guide (32). Catch carrier (28, 28') and conveying catches (30) are each connected, by a flexibly resilient band (42; 62), to a sheave (44; 64) which can be rotated backwards and forwards. The two sheaves (44, 64) are so arranged and their rotary movements are so phase-displaced in relation to one another that the bands (42, 62) push the catch carrier (28, 28') and the conveying catches (30) for each working stroke, then pivot the conveying catches (30 ) into an inoperative position and pull them back together with the catch carrier (28, 28'). In regions in which at least one of the bands (42, 62) is wrapped round them, the two sheaves (44, 64) are surrounded by guide members which prevent the bands from yielding under normal loading. Some of the guide members (82) can be moved away from the associated sheave (44) against the resistance of a spring arrangement (92) so that the bands (42, 62) can yield resiliently if they are overloaded during a working stroke. The two sheaves (44, 64) are connected by clamp couplings to their driving, stationary shafts and can be adjusted for different heights of can-body blanks by infinitely variable turning in relation to their shafts.
REFERENCES:
patent: 2552743 (1951-05-01), Simpson
patent: 4059021 (1977-11-01), Spanel et al.
patent: 4229134 (1980-10-01), Reist
patent: 4354594 (1982-10-01), Galloway
Elpatronic AG
Gastineau Cheryl L.
Spar Robert J.
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