Handling: hand and hoist-line implements – Article carrier gripped and carried by hand – Convertible to – or useable as – different device or different...
Patent
1976-02-23
1977-06-14
Werner, Frank E.
Handling: hand and hoist-line implements
Article carrier gripped and carried by hand
Convertible to, or useable as, different device or different...
294104, 294110R, B66F 918
Patent
active
040292290
ABSTRACT:
A lift blade assembly for engaging a stack of cartons to be lifted by a lift truck. The lift blade assembly comprises a supporting framework, a transmission mechanism and first and second lift blades. The first lift blade has a front portion and a bottom portion and is fixedly attached to the supporting framework. The second blade has a top portion and a front portion and is pivotally attached to the supporting framework upwardly from the first blade. A pusher bar is disposed above the bottom portion of the first blade for upward and downward reciprocation relative thereto. The transmission mechanism is linked to the pusher bar and second blade for transmitting downward motion of the pusher bar into forward and downward motion of the second blade. A spring is provided for urging the pusher bar upwardly from the bottom of the first blade. The downward motion of the pusher bar as the first blade engages and is urged upwardly against the bottom carton of a stack of cartons to be lifted by the apparatus results in forward and downward motion of the second blade to engage the next carton in the stack above the bottom carton. Both cartons are thereby engaged as the stack is lifted.
REFERENCES:
patent: 2760663 (1956-08-01), Tatum
patent: 2814403 (1957-11-01), Ericson
patent: 3200978 (1965-08-01), Brady et al.
patent: 3310336 (1967-03-01), Chenault
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