Overhead hoist transfer

Details Overhead hoist transfer Overhead hoist transfer

1999-06-02

2000-07-25

Brahan, Thomas J.

Traversing hoists

Overhead

Cable

212286, 340685, B66C 1348

Patent

active

060926783

ABSTRACT:
In an overhead hoist transfer having a moving carriage with a hand portion, which holds a load, elevatably suspended therefrom; and a means for teaching an appointed stop position on a placement base, on which said load is placed, to said moving carriage, LEDs 7a and 7b are installed at the hand portion 6, and a position detecting portion 12 consisting of a lens 12a and PSD 12b is installed at the placement base 53 side, in order to automatically and accurately enable a teaching of position correcting data in a short time without use of any manpower. Further, a teaching portion is installed, which detects a deviation between the present stop position and the above appointed stop position on the basis of the relative position of the hand portion 6 with respect to the placement base, which is obtained by the position detecting portion 12, and carries out a teaching to the moving carriage by, for example, radio, whereby it is not necessary for an operator to carry out a teaching by actually moving the hand portion, wherein it is possible to accurately carry out a teaching of position correcting data in a short time.

REFERENCES:
patent: 4685862 (1987-08-01), Nagai et al.
patent: 4817017 (1989-03-01), Kato
patent: 4831548 (1989-05-01), Matoba et al.
patent: 5117992 (1992-06-01), Simkus et al.
patent: 5748854 (1998-05-01), Watanabe et al.
patent: 5790407 (1998-08-01), Strickland et al.
patent: 5822498 (1998-10-01), Kumasaka et al.
patent: 5912540 (1999-06-01), Kosaka et al.

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