Conveying apparatus with lifting/lowering to-be-conveyed...

Conveyors: power-driven – Conveyor system for moving a specific load as a separate unit – System includes linear conveyor or portion thereof which...

Reexamination Certificate

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Details

C198S346100, C029S824000

Reexamination Certificate

active

07458455

ABSTRACT:
A conveying apparatus formed so as to selectively move a to-be-conveyed object support table (3) installed on a conveying traveler body (1) to a lifted position by pushing up the support table by cam rails (40) laid down in the specific section of a conveying route, wherein the holding function of the to-be-conveyed object support table (3) at the lifted position is increased to enhance safety. A to-be-latched portion (33) reciprocatingly moving in a roughly horizontal direction according to a standing/falling motion of the crosslink mechanisms (12) and latches (34) for locking automatically engaged with the to-be-latched portion (33) when the to-be-conveyed object support table (3) is lifted to a predetermined position are installed on the conveying traveler body (1) sides of the crosslink mechanisms (12) liftably supporting the to-be-conveyed object support table (3). Unlocking cams (41) switching the latches (34) for locking to a lock release attitude according to the traveling of the conveying traveler body (1) are installed on the cam rails at an end portion of the specific section.

REFERENCES:
patent: 2857036 (1958-10-01), Leiser
patent: 4646915 (1987-03-01), Ohtaki et al.
patent: 4924996 (1990-05-01), Svensson et al.
patent: 6308404 (2001-10-01), Hirschmann et al.
patent: 7077620 (2006-07-01), Ishioka
patent: 7178660 (2007-02-01), Dehne et al.
patent: H07-172538 (1995-07-01), None

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