发明名称 CRUTCH WITH RETRACTABLE ICE GRIPPER
摘要 A crutch having a retractable ice gripper operable by the user as he normally uses the crutch while being supported by the crutch. The ice gripper is fixed on the end on an adjustable longitudinal support which is biased downwardly with respect to the crutch with an adjustable biasing means. A latch controls the disposition of the ice gripper with respect to the bottom of the crutch.
申请公布号 US3646949(A) 申请公布日期 1972.03.07
申请号 USD3646949 申请日期 1970.05.22
申请人 MAURICE W. STREETER 发明人 MAURICE W. STREETER
分类号 A61H3/02;(IPC1-7):A61H3/02 主分类号 A61H3/02
代理机构 代理人
主权项
地址