Automatic pallet changer

Details Automatic pallet changer Automatic pallet changer

1999-01-13

2000-11-21

Ellis, Christopher P.

Conveyors: power-driven

With means to facilitate working, treating, or inspecting...

Means to convey a palleted load back and forth between an...

198414, 41422207, 41422209, 41422212, B65G 2900

Patent

active

061489883

ABSTRACT:
An automatic pallet changer is composed of a pallet lifting mechanism and a revolving mechanism. The pallet lifting mechanism has a pallet platform and a lifting rod which is fastened with the bottom of the pallet platform. The pallet platform and the lifting rod are driven by oil pressure to move up and down in a linear manner. The body of the lifting rod is provided with a vertically-oriented first position confining portion. The revolving mechanism has a gear and a rack gear member. The gear is pivoted to the bottom of the pallet lifting mechanism at a fixed height and provided axially with a slide channel in which the lifting rod is slidably disposed. The slide channel is provided in the inside thereof with a vertically-oriented second position confining portion, which is complementary in shape to the first position confining portion of the lifting rod for enabling the lifting rod and the pallet platform to turn synchronously. The rack gear member is engaged with the gear so as to drive the gear to rotate.

REFERENCES:
patent: 4794686 (1989-01-01), Moore
patent: 5261147 (1993-11-01), Wood, III
patent: 5992608 (1996-12-01), Ahn

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