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. 14, 1978
Filed:
Feb. 09, 1977
Hermann Meiller, Amberg, DE;
Heinz Daunderer, Amberg, DE;
Messrs. Willibald Grammer, Amberg, DE;
Abstract
There is proposed a seat of adjustable height having a seat part coupled by a connecting element to a supporting lever acted upon by supporting spring means, the lever being swingable against the action of the supporting spring means by a load acting on the seat part. In order to enable easy height adjustment with a simple construction in such a seat the connecting element is adjustable relative to the supporting lever to change the height of the seat part and a locking device is provided by means of which the connecting element and the supporting lever can be locked in several different relative positions. To enable height adjustment without use of a special lever the locking device may be constructed to lock the connecting element and the supporting lever in a series of relative positions as the seat part is raised and when the seat part reaches an upper end position to set itself in a disengaged condition which is maintained until the seat part is lowered to a lower end position. A very useful supporting spring means may be obtained if the supporting lever has at its free end a run-up cam which acts upon a sliding element displaceable against the action of the supporting spring means such that when the seat is loaded the swing of the supporting lever is converted into a linear motion of the sliding element and tensions the spring means.