Ball nut having adjustable preloading

Details Ball nut having adjustable preloading Ball nut having adjustable preloading

F - Mech Eng,Light,Heat,Weapons

16

H

74/206

F16H 25/22 (2006.01) B23Q 5/56 (2006.01)

Patent

CA 1196516

ABSTRACT A ball nut having adjustable preloading includes a first member comprising a first ball nut member for threaded engagement with a ball screw, a second ball nut element in threaded engagement with the ball screw adjacent to the first ball nut element, means securing the two ball nut elements to each other to prevent rotation of the elements relative to each other, means supporting the second ball nut element on a second member, biasing means arranged to urge the two ball nut elements in opposite directions for preloading the ball nut, and adjusting means coupled to regulate the biasing means for varying the preload pressure in accordance with the operating conditions.

418056

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