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. 10, 1998
Filed:
Jan. 06, 1997
James A Covello, Oro Valley, AZ (US);
David R Hill, Tucson, AZ (US);
Etec Systems, Inc., Hayward, CA (US);
Abstract
An articulated platform mechanism includes a base, a mounting frame including a platform, the frame having multiple attach portions; a mounting attached to each of the attach portions; a series of cams each having at least one cam surface; a series of cam followers; a series of drive motors; one of each of the cams or one of each of the followers being attached to each one of the mountings, the other of the cams and the followers being in rolling association with respective ones of each cam or cam follower; and wherein each motor drives a respective cam or follower not attached to the mountings, to actuate the platform in vertical lift, tilt front-to-back and tilt left-to-right.