Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Patent
1982-06-24
1984-10-30
Bonck, Rodney H.
Machine element or mechanism
Mechanical movements
Reciprocating or oscillating to or from alternating rotary
744248R, 188 74, 188 67, 188110, 192141, 192149, F16H 2702
Patent
active
044793979
ABSTRACT:
A ball screw brake and stop assembly having an elastomeric compression pad or elastomer member circumferentially surrounding the ball screw and received in a counter bore of a non-rotating assembly having a bore receiving the ball screw with the pad confined on its outer diameter and at one axial end. A striker member, dimensioned to be receivable within an open axial end of the counter bore, functions as a stop member limiting axial movement of the ball nut. Upon projection of the striker member into the counter bore, further movement of the ball nut causes axial compression of the elastomer member providing resistance to further axial movement of the ball nut. At the same time, radial expansion of the elastomer member, caused by compression in the axial direction, causes the inner diameter of the elastomer member to frictionally engage the outer diameter of the ball screw to break rotation of the ball screw.
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Jelinek Ross R.
Reynolds Robert W.
Bonck Rodney H.
Houdaille Industries, Inc.
House David D.
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