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:
May. 08, 1990
Filed:
Aug. 18, 1989
Oskar Zumkeller, Villingen-Schwenningen, DE;
Hugo Fesenmeieir, Braunlingen, DE;
Mannesmann Kienzle GmbH, Villingen, DE;
Abstract
A push button for a keyboard wherein a detent, provided at the keyboard base on the side opposite to that of a guidance sleeve, is designed centrally to the passage aperture of the guidance sleeve, a lug is molded on the side of the keyboard base carrying the detent, the shaft on the push-button head is slotted and a nose or dog is radially molded on at least one of the resulting resilient shaft, this nose or dog coacting with a stop face formed on the keyboard base, a finger is formed on the push-button head parallel to the shaft and a guidance aperture for engaging the finger is formed in the lug molded on the keyboard base.