The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 1995
Filed:
Mar. 14, 1994
Masahito Ozawa, Yamanashi, JP;
Masami Mizukami, Yamanashi, JP;
Masanobu Kanazashi, Kofu, JP;
Toshihiko Takasoe, Yamanashi, JP;
Masaki Narushima, Yamanashi, JP;
Masao Kubodera, Yamanashi, JP;
Tel-Varian Limited, Nirasaki, JP;
Abstract
A cassette carrier unit for carrying a cassette, in which a plurality of substrates are housed, into and out of cassette chambers of the multi-chamber system including a hand on which the cassette is mounted. A multi-joined arm for supports the swingable hand, and a base supports the multi-joined swingable arm. The multi-joined arm includes a first shaft member rotatably attached to the hand, a second shaft member rotatably attached to the base, a third shaft member rotated associating with the first shaft member but in a direction reverse to the direction in which the first shaft member is rotated, and a fourth shaft member rotatably attached to the base and to which rotation drive force is transmitted. A first arm is rotatably attached to the first shaft member at the front end thereof and to the second shaft member at the base end thereof. A second arm is arranged substantially parallel to the first arm and fixed to the third shaft member at the front end thereof and to the fourth shaft member at the base end thereof. When the first and second arms are swung, the hand is swung in a direction reverse to the direction in which the first and second arms are swung.