Railways – Traction – Chain
Patent
1974-05-28
1976-05-04
Sheridan, Robert G.
Railways
Traction
Chain
104 89, 104252, B61B 1300
Patent
active
039540650
ABSTRACT:
An overhead conveyor having an accumulation dock and crabs which are movable in a track, which crabs can be temporarily arrested in the accumulation dock. For their movement the crabs can be coupled to a transporting chain circulating in the accumulation dock and provided with pivotable pawls which can be locked to a coupling element of the crabs. For arresting the crabs the pawls are unlocked by means of stationary pivotable uncoupler assemblies which are controlled by the crabs. The transport is started again by the successive automatic coupling of the crabs to the transporting chain.
REFERENCES:
patent: 2940400 (1960-06-01), Harrison
patent: 2956514 (1960-10-01), Bishop
patent: 3623538 (1971-11-01), Wakabayashi
patent: 3724391 (1973-04-01), te Velde
patent: 3744432 (1973-07-01), Price et al.
Hafkenscheid Gerardus Antonius
Nierstrasz Jan Marius
te Velde Harm Frank
Reese Randolph A.
Sheridan Robert G.
Treacy David R.
Trifari Frank R.
U.S. Philips Corporation
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