发明名称 Disc brake tool
摘要 A manual means for reducing the time and effort needed to retract a brake-actuation piston into a brake fluid-containment cylinder during a brake pad-replacement operation. A thrust plate has a threaded hole meshed with an elongated screw that is turnable manually to exert a retractive force on a brake-actuation piston.
申请公布号 US4903391(A) 申请公布日期 1990.02.27
申请号 US19890293190 申请日期 1989.01.03
申请人 FRANKS, JOE R. 发明人 FRANKS, JOE R.
分类号 B25B27/00;B25B27/02;B60T17/22 主分类号 B25B27/00
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