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:
Nov. 07, 1978

Filed:

Mar. 21, 1977
Applicant:
Inventors:

Helmut Schmidt, Villingen-Schwenningen, DE;

Walter Strobel, Unterkirnach, DE;

Gunter Treude, Villingen-Schwenningen, DE;

Paul Blaser, Villingen-Schwenningen, DE;

Assignee:

Kienzle Apparate GmbH, Villingen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
4004912 ; 400472 ; 200 / ; 200294 ; 200307 ; 200340 ; 248 273 ; 2351 / ; 84DI / ; 3403 / ;
Abstract

A keyboard assembly includes a U-shaped carrier member and a plurality of key members connected thereon by resiliently yieldable legs having detent portions which engage cooperating recesses provided in the bottom wall of the U-shaped carrier member with snap action. Each key member has an upper and a lower housing port which are snap-fastened to each other, and an actuating shaft axially movable to energize an electrical component mounted below the carrier member. A locking member is also provided to lock the shaft in a down actuating position.


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