B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/23
B25B 15/00 (2006.01) B25B 21/00 (2006.01)
Patent
CA 1163475
Case 3805 DRIVE TOOL WITH SPRING-BIASED TORQUE A B S T R A C T A tool having a torque-limiting recess of variable axial dimension biased to its longest position by a rigid spring. Under normal drive conditions, the rigid spring will maintain the torque-limiting recess at its maximum length position. In the event the operator wishes to apply additional torque to the fastener head, he merely leans on the tool applying an extraor- dinary axial load which collapses the rigid spring and enables the operator to reengage the tool with the fastener head.
389707
Illinois Tool Works Inc.
Meredith & Finlayson
LandOfFree
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