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. 08, 1987
Filed:
Nov. 18, 1985
Applicant:
Inventors:
P O Wallin, S-123 86 Farsta, SE;
Bengt H Warell, S-123 86 Farsta, SE;
A Pedar Svensson, S-123 86 Farsta, SE;
Kurt A Lundstrom, S-931 36 Skellefte.ang., SE;
Lars A Johansson, 61145 Nykoping, SE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47B / ;
U.S. Cl.
CPC ...
108144 ; 108147 ; 248161 ; 248404 ;
Abstract
An adjustable switchboard desk has a top which can be raised and lowered by at least two telescopic legs. In each telescopic leg a hydraulic cylinder and its associated piston are arranged. The cylinder is fixed to the desk-top and the piston is fixed to an outer part of the telescopic leg, or vice versa. The inner and outer parts of the respective telescopic legs are made of closed profile with longitudinally extending, mutually co-acting guide surfaces.