초록 ▼

An improved spider-anchor pin assembly (14) for a drum brake (10) is provided. The improved assembly includes a stamped sheet metal spider body (42) and a one-piece forged anchor pin piece (46) removably attached to the spider body by a plurality of threaded fasteners (82, 84). Preferably, the ancho

An improved spider-anchor pin assembly (14) for a drum brake (10) is provided. The improved assembly includes a stamped sheet metal spider body (42) and a one-piece forged anchor pin piece (46) removably attached to the spider body by a plurality of threaded fasteners (82, 84). Preferably, the anchor pin piece is symetrical about a plane (P) extending normal to the axis of the anchor pin sections (94 and 96) and bisecting of the flange section (76) thereof.

대표청구항 ▼

An improved spider-anchor pin assembly for a drum brake of the type having a spider mountable to an axle housing, a pair of generally arcuate brake shoes each having a pair of radially inwardly extending generally parallel webs straddling said spider and pivotably supported on anchor pin means fixed

An improved spider-anchor pin assembly for a drum brake of the type having a spider mountable to an axle housing, a pair of generally arcuate brake shoes each having a pair of radially inwardly extending generally parallel webs straddling said spider and pivotably supported on anchor pin means fixed to the spider, and means to selectively pivot said brake shoes radially outwardly on said anchor pin means into frictional contact with a brake drum, said improved spider-anchor pin assembly comprising: a stamped metallic spider body mountable to an axle housing, said spider body provided with a first through bore located generally at the pivot axis of said brake shoes, said spider body defining a generally flat surface extending generally normally to the axis of said first through bore and surrounding said first through aperture, a plurality of second bores opening on said flat surface and defining a given bolt hole pattern, an anchor pin piece formed from a one-piece metallic forging, said anchor pin piece comprising a generally flat flange section defining a generally flat flange surface on at least one side thereof, said flange section provided with a plurality of third bores defining said given bolt hole pattern, and an anchor pin section extending axally outwardly from each side of said flange section, said flange surface abutting said generally flat surface with said second and that third bores in alignment and one of said anchor pin sections extending through and beyond said first through bore; and an externally threaded fastener extending through each of said aligned second and third bores and threadably receiving a nut on the free ends thereof to removably attach said anchor pin piece to said spider body.