Patent ID: 7850363
Filing Date: 2010-12-14
Classification: F21V

Abstract:
1. In combination with a track lighting fixture of a type having a mounting body for reception in a bus bar, a rotatable element in said mounting body having electrical and mechanical elements engageable with said bus bar, a locking lever secured to said rotatable element for limited rotational movement with respect to said mounting body for securing said mounting body to said bus bar, a lamp housing carried by said mounting body and adapted for adjustable positioning with respect thereto on at least one axis, and at least one locking screw for locking said lamp housing in an adjusted position, the improvement in said locking lever characterized by (a) said locking lever comprising a member molded of plastic material and having a bottom wall and a surrounding wall structure extending upward from said bottom wall, (b) said wall structure including an end wall and said end wall having a tool receiving opening therein close to an adjacent side wall portion of said wall structure, (c) a retention spring received within said surrounding wall structure and having a first portion positioned adjacent said tool receiving opening on the side thereof spaced from said adjacent side wall portion, (d) said retention spring having a elongated portion extending away from said opening and extending diagonally at a small angle toward said adjacent side wall and into close convergence therewith, (e) said tool receiving opening being of a size to receive a long leg of an L-shaped Allen key having a long leg and a short leg, and (f) said retention spring being constructed to cause the elongated portion of said retention spring to bear resiliently against the long leg of an Allen key inserted into said opening, and (g) said elongated spring portion being operative to resiliently confine and removably retain said long leg against said adjacent side wall.