发明名称 RESISTANCE APPARATUS FOR EXERCISE DEVICES
摘要 A resistance apparatus for use with exercise devices includes an axle an outer housing for rotatably mounting the axle therein. At least one inner housing includes an opening for receiving the axle therethrough so that the inner housing is fixably mounted on the axle. The inner housing is rotatably mounted inside the outer housing to permit rotation of the inner housing along with the axle within the outer housing. At least a first tensioned member is disposed within the inner housing. The first tensioned member includes a first end and a second end. The first end of the tensioned member engages an engagement area of the inner housing. The second end of the tensioned member engages an engagement area of the outer housing. The tensioned member creates a rotational restoring force between the inner housing and the outer housing.
申请公布号 US2009227433(A1) 申请公布日期 2009.09.10
申请号 US20080043823 申请日期 2008.03.06
申请人 PRODUCT LABS, INC. 发明人 HUMBLE DAVID R.;BARTH HANS A.
分类号 A63B21/04 主分类号 A63B21/04
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