Transfer apparatus

Details Transfer apparatus Transfer apparatus

2011-05-24

2011-05-24

Underwood, Donald (Department: 3652)

Material or article handling

Horizontally swinging load support

Swinging about pivot

C074S490010, C414S749100, C901S015000

Reexamination Certificate

active

07946799

ABSTRACT:
A transfer apparatus includes a fixed base, a swivel, a lift mechanism for raising and lowering the swivel relative to the fixed base, a swivel mechanism for turning the swivel about a vertical swivel axis, a linear movement mechanism supported by the swivel, and a hand supported by the linear movement mechanism for transportation of a work along a linear horizontal travel stroke. The lift mechanism includes N (N is an integer equal to or greater than 2) lift members arranged for telescopic expansion and retraction relative to the fixed base. The lift mechanism also includes N lift drive mechanisms each for raising and lowering one of the lift members relative to an immediate lower-stage lift member. The swivel is supported by an uppermost one of the lift members. (FIG.5)

REFERENCES:
patent: 4298128 (1981-11-01), Gattu
patent: 5135349 (1992-08-01), Lorenz et al.
patent: 5899653 (1999-05-01), Brodine
patent: 6371713 (2002-04-01), Nishimura et al.
patent: 6520733 (2003-02-01), Taniyama et al.
patent: 2005-186259 (2005-07-01), None

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