发明名称 Home exercise gym
摘要 A hydraulic shock absorber has an adjustable connection to the exercise lever to provide variable resistive forces to exercise, and alternately the shock can be mounted to the exercise lever as a dead weight and a pulley-cord system added, so that a multiplicity of exercises can be performed with the same basic unit.
申请公布号 US4275882(A) 申请公布日期 1981.06.30
申请号 US19800134720 申请日期 1980.03.27
申请人 AMF INCORPORATED 发明人 GROSSER, RICHARD W.;LONG, SR., VIRGIL L.
分类号 A63B21/00;A63B21/008;A63B21/16;(IPC1-7):A63B21/08;A63B23/02 主分类号 A63B21/00
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