Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Patent
1981-11-18
1986-01-07
Bonck, Rodney H.
Machine element or mechanism
Mechanical movements
Reciprocating or oscillating to or from alternating rotary
52121, 74 892, 74625, F16H 2702
Patent
active
045627509
ABSTRACT:
A carrier-driving device mainly used for a video-projection system, preferably comprising a carrying member to be loaded with a projector mirror; two supporting arm assemblies each having telescopically elongatable hollow arms, on which the carrying member is supported; two driving cables for moving the hollow arms telescopically; driving wheels having peripheral teeth and engaging with the cable; a device for rotating the wheels; and a disengaging device for disengaging the drive wheels so that the mirror can be manually actuated when needed. The cables are each characterized by a belt-like shaped central portion, with strong and resilient side portions formed on both sides of the central portion and a plurality of holes so formed in the central portion as to be aligned in the longitudinal direction of the cable at a predetermined pitch, thereby to engage the holes with the peripheral teeth of the respective drive wheel.
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Bonck Rodney H.
Diehl Dwight G.
Farber Martin A.
Sony Corporation
Yokowo Manufacturing Co., Ltd.
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