B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/23, 81/25
B25B 23/157 (2006.01) B25B 23/00 (2006.01) B25B 23/14 (2006.01)
Patent
CA 1276818
ABSTRACT OF THE DISCLOSURE In a motor-driven screw driving device, a drive unit and a drive member are located within a housing and are interconnected by a torque-limiting coupling. The coupling is adjustable by changing the force applied to a spring element. The spring element is supported within a stop sleeve located within the housing and the stop sleeve is axially displaceable relative to the housing. A depth stop on the drive spindle is adjustable relative to the stop sleeve. An actuating sleeve accessible on the exterior of the screw driving device affords the adjust- ment of the stop sleeve and the depth stop. A connecting element is secured to the actuating sleeve and is in engagement with the depth stop so that the actuating sleeve and depth stop can be rotated as a unit. The connecting element is selectively engageable with the stop sleeve so that the actuating sleeve and stop sleeve can be rotated as a unit for adjusting the torque-limiting coupling.
489632
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
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