1972-12-11
1976-01-27
Spar, Robert J.
B66F 914
Patent
active
039347419
ABSTRACT:
A telescopic load transfer device used as a stacker crane tray mechanism. The device comprises a tray and moveable support means therefor which are a plurality of pairs of telescopically articulated beams. One beam pair is attached to the tray and one other beam pair is relatively fixed and all other beam pairs are telescopically moveable with respect to the relatively fixed beam pair.
REFERENCES:
patent: 1072749 (1913-09-01), McElroy
patent: 2951599 (1960-09-01), Bogar
patent: 3232455 (1966-02-01), Fountain et al.
patent: 3497087 (1970-02-01), Vita
American Chain & Cable Company, Inc.
Oresky Lawrence J.
Spar Robert J.
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