Handtool for releasing brake drum shoe adjuster member

Details Handtool for releasing brake drum shoe adjuster member Handtool for releasing brake drum shoe adjuster member

B - Operations, Transporting

23

P

26/44

B23P 19/04 (2006.01)

Patent

CA 1261597

ABSTRACT OF THE DISCLOSURE A levered tool for spreading apart two inter- connected semi-circular concentric brake drum shoes, to facilitate removal of the adjuster member which adjusts the minimum radius of the brake shoes. The semi-circular brake shoes are conventionally closed one toward the other at their inner ends as well as at their outer ends by coil springs, and are relatively pivotable about their inner ends. The adjuster member is usually an elongated spacer member, of adjustable length, extending in between the spaced inner ends of the brake shoes, against the bias of the corresponding coil springs. The outer circumferential faces of the brake shoes each comprises a transverse blade, the inner- most edge of which projects inwardly relative to the main body of the brake shoes. The levered tool of the inven- tion consists of a straight rigid bar and a rigid arm having a straight hand-gripping portion and an arcuate end portion, both the bar and the arm being pivotally interconnected about an intermediate portion of the former and about the arcuate portion of the latter. Notched ends of the tool bar and arm engage the blade innermost projecting edges. By forcibly pivoting the arm hand- gripping portion towards the notched end portion of the bar, the inner ends of the brake shoes will be spread apart, and the adjuster member will be released for cleaning and/or adjustment.

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