Patent ID: 6286904
Filing Date: 2001-09-11
Classification: A61G,Y10S

Abstract:
A pivotable abduction abutment support for a chair, the chair having a seat, the support comprising:a base member adapted to be fastened under the seat, the seat having a front edge, the base member having a front end extending beyond the front edge of the seat;a rod having two opposite ends, a front surface and a rear surface, one of the opposite ends being mounted about a first pivot located at the front end of the base member, the first pivot having a pivoting axis parallel to the front edge of the seat, wherein the rod pivots between an upstanding position where the rod extends upwardly and substantially vertically, and a released position where the rod extends downwardly;abutment fastening means for fastening an abutment to the other opposite end of the rod so that the abutment extends above the seat when the rod is in the upstanding position; andreleasable locking means for releasably locking the rod in the upstanding position, the locking means comprising:(i) a retaining portion for engaging the front surface of the rod, the retaining portion lying above the first pivot in order to lock the rod in the upstanding position,(ii) at least one arm extending rearwardly from the retaining portion, the arm having a distal end mounted about a second pivot located on the base member rearwardly of the first pivot, and(iii) biasing means for biasing the retaining portion against the rod, whereby, by manually pivoting the retaining portion away from the rod, the rod is released and free to pivot downwardly; and when the rod is pivoted from the released position to the upstanding position, the biasing means automatically pivot the retaining portion towards the rod to engage the front surface of the rod and thereby lock the rod in the upstanding position.