Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Patent
1993-12-22
1997-06-10
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Reciprocating or oscillating to or from alternating rotary
744248R, 74459, 411411, 470 10, F16H 2524, B21H 302
Patent
active
056365497
ABSTRACT:
Producing novel threaded members such as lead screws (10, 20) by winding and anchoring a hardened tempered spring wire (14, 16) around a support body such as a screw shaft (11, 15) to form a hard, smooth thread comprising a wear-resistant running surface for engagement with a bearing nut member (43) in an adjustment assembly (30), such as for a zoom lens. The shaft (11) may be shallow-grooved (13) to determine the pitch of the threads. Alternatively the shaft (15) may be wound with contacting thread wire (16) and spacer wire (17) to determine the pitch of the thread.
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Denson-Low Wanda K.
Herrmann Allan D.
Hughes Electronics
Sales Michael W.
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