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.

Date of Patent:
Jul. 14, 1981

Filed:

Jun. 04, 1979
Applicant:
Inventor:

Victor J Kritske, Sheboygan, WI (US);

Assignee:

Mayline Co., Inc., Sheboygan, WI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47B / ;
U.S. Cl.
CPC ...
108-6 ; 74531 ; 188 69 ; 188 / ; 188 826 ; 192 / ; 248166 ; 312231 ;
Abstract

Drafting board apparatus features a dual-spring brake to enable the angle of tilt of the drafting board to be selectively altered. Use of oppositely-coiled springs secures the board against movement, while a control linkage enables near-simultaneous release of said springs to enable adjustment of the board.


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