Disc brake with identical removable friction pads

Claim 1

A disc brake assembly for co-operation with a brake disc mounted co-axially with, and on one side of a road wheel, the assembly comprising a fixed housing having two parts with a gap between the parts for the passage of the periphery of the disc, the housing being symmetrical about its mid-plane which includes the axis of rotation of the disc, a pair of identical arcuate friction pads moveable relative to the housing and having friction linings which face each other and are arranged to abut on opposite faces of the disc, each pad having leading and trailing ends in relation to one direction of rotation of the disc and having a single lug-like projection intended to extend outside the diameter of the disc at one end and a slot at the other, since the pads are arranged so that the linings face each other the lug-like projections of the pads will lie one at a leading end and one at a trailing end of its respective pad, a pair of removable drag-taking pins each engaged in holes provided therefor in both parts of the housing outside the periphery of a disc and in a hole in one of said lug-like projections, a pair of pins engaged each in a single part of the housing within the diameter of the disc and projecting from the respective part into the slot of the respective pad but remaining clear of the intended position of the disc, and means in said housing for urging the pads towards each other the arrangement of the dragtaking pins and the respective holes in the housing parts being such that the drag-taking pins are insertable and removable from that side of the housing which is remote from the road wheel.