Material or article handling – Elevator or hoist and loading or unloading means therefor – Grab
Patent
1979-02-28
1980-12-16
Kunin, Stephen G.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Grab
414663, 212208, 2121421, B66C 1900
Patent
active
042394430
ABSTRACT:
A stable hoist for loading and unloading articles (10) onto and from shelves (11) includes a base housing (12) from which extends a cruciform-shaped standard (13). A slide arrangement (14) mounted on the standard and driven by a power source (46 and 47) mounted in the housing moves a boom (16) up and down. The boom comprises a slide (20) and a trolley (21) from which depends a clamp (22) to grip the article. Inverted L-shaped arm structures (28 and 29) extend from the crossarms (26 and 27) of the cruciform-shaped standard (13). Stabilizing plates (48 and 49) are pivotally mounted in arm sections (33 and 34) to engage the shelf during a loading or unloading operation. The weight of components mounted in the base housing (12) and on the cruciform-shaped standard (13) act to counterbalance the tilting force during a loading and unloading operation.
REFERENCES:
patent: 3181707 (1965-05-01), Janssen
patent: 3433459 (1969-03-01), Logan
patent: 3827742 (1974-08-01), Holden
patent: 3858736 (1975-01-01), French, Jr. et al.
Western Electric Internal Instruction Memorandum "U1S-17H", p. 3.
Kunin Stephen G.
Miller R. P.
Western Electric Company, Incorporated
Williams Lawrence E.
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