Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Patent
1985-12-17
1988-04-26
Bonck, Rodney H.
Machine element or mechanism
Mechanical movements
Reciprocating or oscillating to or from alternating rotary
744248R, 384519, 384616, F16H 2902, F16H 2920
Patent
active
047396695
ABSTRACT:
A driving apparatus for effecting linear movement of an industrial robot comprises a slide member axially slidably disposed within a frame, a ball nut secured to the slide member and a ball screw threaded through the ball nut and rotationally driven relative to the ball nut to effect linear movement of the ball nut along the ball screw accompanied by linear movement of the slide shaft. A bracket is adjustably mounted on the frame for rotatably supporting the shaft of the ball screw. The bracket can be displaced relative to the frame in the transverse direction of the slide member to align the axis of the ball screw with the axis of the slide member during assembly of the apparatus. A thrust bearing is disposed between the shaft of the ball screw and the bracket to absorb radial displacement and strain of the ball screw shaft.
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Higake Masatoshi
Makishima Yutaka
Nagai Masahide
Noda Minoru
Shioda Toshimi
Adams Bruce L.
Bonck Rodney H.
Lorence Richard M.
Seiko Instruments & Electronics Ltd.
Wilks Van C.
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