Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – For inverting successive items
Patent
1983-02-24
1985-06-18
Spar, Robert J.
Conveyors: power-driven
Conveyor for changing attitude of item relative to conveyed...
For inverting successive items
414758, B65G 4724
Patent
active
045236704
ABSTRACT:
A reversible drive device rotates a sprocket wheel so that an endless chain engaging said sprocket wheel moves through a vertical path and then in a semicircular path around a chain guide. A workpiece conveyed by a conveyor device from a preceding stage is clamped by a clamping device extending from a base end of a workpiece retaining arm having an outer end connected to said chain. If the workpiece is to be transferred in an inverted orientation, a slider pivotally supporting the base end of the workpiece retaining arm is raised along a slide guide by the chain; then the outer end of the workpiece retaining arm circles around the upper end of the chain guide together with the chain, thereby rotating the workpiece retaining arm by half a turn and inverting the workpiece. The workpiece retaining arm is then lowered after the circling, the workpiece is unclamped and transferred to a conveyor device leading to a subsequent stage, and the reversible drive device is reversed by operation of a position detection device so that the workpiece retaining arm is returned to its initial position. If the workpiece is to be transferred in a noninverted orientation, the chain drive is reversed by a limit switch before the workpiece retaining arm reaches the semicircular part of the chain path, so that the workpiece retaining arm translates vertically only.
REFERENCES:
patent: 2293192 (1942-08-01), Campbell
patent: 2772766 (1956-12-01), Kellam
patent: 3072266 (1963-01-01), Holcroft
patent: 3308969 (1967-03-01), Orms et al.
patent: 3895722 (1975-07-01), Pluntz
Fukatsu Hiroshi
Yamaguchi Takaharu
Yanagisawa Taminori
Spar Robert J.
Taihoo Seiki Co., Ltd.
Toyota Jidosha & Kabushiki Kaisha
Voorhees Douglas C.
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