A FASTENING DEVICE

摘要

PCT No. PCT/GB93/00871 Sec. 371 Date Oct. 24, 1994 Sec. 102(e) Date Oct. 24, 1994 PCT Filed Apr. 27, 1993 PCT Pub. No. WO93/22182 PCT Pub. Date Nov. 11, 1993A fasting device has a shaft and a clamping assembling. The clamping assembly has an outer housing shaped so as to retain the object to be clamped in position and an inner core rotatably disposed within the outer housing and in threaded engagement with a hole in one of the outer housing. A sprag is disposed within the outer housing and located in a slot in the inner core, both the inner core and the sprag plate having through holes to receive the shaft. A bias spring biases the sprag into engagement with the inner core.