Transfer apparatus for conveying work holder supports along a closed pathway
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United States of America Patent
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May 26, 1987
Grant Date -
N/A
app pub date -
Nov 30, 1983
filing date -
Dec 1, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transfer apparatus conveys work holder supports along a closed pathway, defined by a fixed guideway, passing by at least one work station. A first, drive conveyor which is preferably an endless conveyor and operates continuously transports the work holder supports along a first segment of the closed pathway and a second, pickup conveyor which in practice operates intermittently transports the work holder supports along a second segment passing by the work station or stations. The path of the first conveyor has a section which is detoured away from the work station or stations. The work holder supports are releasable engageable with the dogs on the first conveyor and projecting pins on cranks of the second conveyor for coupling and uncoupling the work holder supports upstream and downstream of the work station or stations. The second, pickup conveyor comprises for each work station two cranks having projecting pins selectively engageable with a corresponding groove in each work holder support for selectively coupling it for displacement.
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