发明名称 Mountain climbing safety device
摘要 An adjustable device that provides a secure anchor in a crevice or other irregularity. The anchor may be used to assist rock climbers, rescue groups, military personnel, construction workers, etc. The device is comprised of a spring loaded sleeve mounted on a first end of a threaded shaft and limited in its movement on the shaft by a pin and slot arrangement. The sleeve provides a means for adjusting the length of the device. A first locking means releasably secures the sleeve in a retracted position, and a second locking means secures the sleeve at the desired extended position. A lever assembly is provided at the second end of the device in such a manner that a force applied to an attachment point of the assembly will be translated along the longitudinal axis of the device.
申请公布号 US4765574(A) 申请公布日期 1988.08.23
申请号 US19870118569 申请日期 1987.11.09
申请人 THOMAS, MICHAEL D. 发明人 THOMAS, MICHAEL D.
分类号 A63B29/02;(IPC1-7):A47G29/00 主分类号 A63B29/02
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