1976-05-10
1977-07-26
Makay, Albert J.
214 82, B60P 102
Patent
active
040377440
ABSTRACT:
A pusher device for lift trucks and the like, particularly for sheet-supported loads, in which movement of a pusher structure is effected by a plurality of pusher chains, so constructed that they are rigid when extended in substantially a straight line to compression forces acting along such line but capable of being flexed, in which the free ends of the pusher chains are relatively fixedly disposed and the opposite ends extendable from and retractable towards the movable pusher structure, with the latter carrying the power source for effecting such extension and retraction of the chains. Novel means are also provided for maintaining the chains in desired positions, as well as novel gripping means which facilitates the engagement of the pusher structure with sheet-supported loads and the like.
REFERENCES:
patent: 2601932 (1952-07-01), Turner
patent: 2639051 (1953-05-01), Thomas
patent: 2785818 (1957-03-01), Mercier et al.
patent: 2993610 (1961-07-01), Kughler
patent: 3021024 (1962-02-01), Nagin
Nagin, Jr. Tony
Nagin, Sr. Tony
Makay Albert J.
Williams Lawrence E.
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