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:
Feb. 28, 1989
Filed:
Mar. 15, 1988
Macy J Price, Golden, CO (US);
Mario B Accumanno, Cedar Grove, NJ (US);
Daniel C Starkey, Englewood, CO (US);
Engineered Data Products, Inc., Broomfield, CO (US);
Abstract
Apparatus for supporting a drafting table, such as a digitizer, for vertical and pivotal movement thereof wherein a fixed hollow column is supported on a base member and a movable hollow column is mounted inside of the fixed hollow column for vertical up or down movement thereof and wherein the weight of the drafting table is counter-balanced by a constant spring mounted on the upper portion of the fixed hollow column and on the lower portion of the movable hollow column so that a portion of the constant spring is between the fixed and movable hollow columns and an elongated support member mounted on the upper portion of the movable hollow column and extending generally in a horizontal direction for supporting the drafting table and pivot means for pivotally connecting the drafting table to the elongated support member.