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:
Nov. 28, 2000
Filed:
Aug. 26, 1997
John Howells, West Linn, OR (US);
Robert H Niemeyer, III, Tigard, OR (US);
Daitron, Inc., Wilsonville, OR (US);
Abstract
The present invention concerns a device for the rotation of a wafer cassette such as between a horizontal orientation and a vertical orientation. The wafer cassette rotation device includes a carriage for receiving and supporting a wafer cassette, a receptacle in which the carriage is supported and rotates, and a drive mechanism for rotating the carriage together with any wafer cassette that has been inserted into the carriage, between horizontal and vertical orientations. The carriage is shaped to receive a standard wafer cassette, the carriage open at both front and top portions, includes wafer cassette supports. Wheels may be attached to opposing side edges of the bottom of the carriage. A cam drive mechanism is used to move the carriage within the receptacle.