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:
Aug. 28, 2012
Filed:
Nov. 28, 2006
Thomas Markus Kohler, Munchenstein, CH;
Martin Primosig, Basel, CH;
Thomas Markus Kohler, Munchenstein, CH;
Martin Primosig, Basel, CH;
Invacare Corporation, Elyria, OH (US);
Abstract
Stem () is secured to fork (). Head (), bearing surface (), recessed portions (and), and bearing surface () successively engage the interior of housing (), comprising first bearing (), laterally movable locking ring () and second bearing (). Locking ring () is repelled to the left in diametral direction against spring means urging ring (). When shoulder () has arrived at the height of rim portion () of ring () the spring means are released. Ring () displaces to the right and portion () engages groove () thus locking the stem in the axial direction. Due to the side location of the button, the device can easily be handled using the palm of a hand.