Brake rivet press11/23/2023 ![]() A brake shoe rivet press as recited in claim 1, wherein said upper ram operating surface having a plurality of said openings selectively alignable with selected ones of said punches such that said punches are not urged into rivets when said upper ram engages said punches.ģ. ![]() Said upper ram having at least one opening in said operation surface to receive and thereby permit a corresponding punch or punches not to be engaged when said upper ram is activated.Ģ. Said upper ram having an operating surface to engage said punches and urge them against the rivets to remove them from the brake shoe and Said lower ram having a support surface for positioning and supporting the brake shoe Upper and lower rams movably carried by said frame on opposite sides of said punch holder A brake shoe rivet press for removing rivets which hold a liner to the base of a brake shoe to thereby permit removal and later replacement of the liner thereon, comprising:Ī punch holder fixedly carried by said frame and having a plurality of movable punches In a further embodiment, the upper ram has two strokes, with a first removing rivets from a center of the arc, and a second stroke which removes all of the rivets.ġ. A hydraulic circuit is provided for controlling the movements of the upper and lower rams. ![]() The upper ram has an operating surface, which, when the upper ram is actuated, engages the punches so as to urge them against the rivets to remove them from the brake shoe in a single operation. The lower ram is provided with a support surface for positioning and supporting the brake shoe and also includes a plurality of openings arranged in rows for receiving the spent rivets. The press includes upper and lower rams movably carried by the frame on opposite sides of the punch holder. The punch holder has a plurality of movable punches also arranged in rows and corresponding in number to the number of rivets in the brake shoe. The press has a frame and a punch holder fixedly carried by the frame. The brake shoe rivet press is for removing in a single operation rivets which are arranged in rows to hold a fibrous liner to the base of a brake shoe to thereby permit removal and later replacement of the liner.
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