Apparatus for transferring disks from one cassette to another wi

Details Apparatus for transferring disks from one cassette to another wi Apparatus for transferring disks from one cassette to another wi

1989-05-08

1990-09-18

Spar, Robert J.

Material or article handling

Device for emptying portable receptacle

Nongravity type

414404, 414750, 414908, B65G 6504

Patent

active

049574060

ABSTRACT:
An apparatus is provided for transferring disks with center holes such as semiconductor wafers from one cassette of an ordinary kind to another having a different pitch. The apparatus has an elongated rod on which an array of disk-shaped pieces each capable of supporting a wafer from its center hole is slidably mounted. These pieces are so connected that the separation between each of mutually adjacent pairs can vary but not to exceed a predetermined maximum distance. The piece at one end of the array is affixed to the rod and the one at the other end is attached to a power source and is moved along the rod.

REFERENCES:
patent: 3542224 (1970-11-01), Warren
patent: 3805943 (1974-04-01), Warren
patent: 3920128 (1975-11-01), Baker
patent: 3929234 (1975-12-01), Warren
patent: 4329112 (1982-05-01), Glover
patent: 4573851 (1986-03-01), Butler
patent: 4597819 (1986-07-01), Kusuhara et al.
patent: 4645401 (1987-02-01), Hopkins et al.
patent: 4787806 (1988-11-01), Aupperle
patent: 4856957 (1989-08-01), Lau et al.

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