Electricity: motive power systems – With particular motor-driven load device – Tension-maintaining type of motor-control system
Patent
1996-07-24
1998-09-08
Ro, Bentsu
Electricity: motive power systems
With particular motor-driven load device
Tension-maintaining type of motor-control system
74 8922, 108143, B25J 1504, B65H 5920
Patent
active
058049320
ABSTRACT:
An object of the present invention is to provide a drive system having a simple structure, which is capable of synchronously moving travellers, having high positioning accuracy and reducing the manufacturing cost and operating noise. A pair of guides are provided on a base in a first direction. A pair of travellers are capable of moving in the first direction alongside the guides. A first rotary guide is provided to one of the travellers. A second rotary guide is provided to the other traveller. A first tension member is tensionally engaged with the rotary guides, one end section is extended from the first rotary guide and fixed to the base, the other end is extended from the second rotary guide in the opposite direction and fixed to the base. A second tension member is tensionally engaged with the rotary guides, one end section is extended from the first rotary guide in the opposite direction to the one end section of the first tension member and fixed to the base, the other end section is extended from the second rotary guide in the opposite direction to the one end section and fixed to the base.
REFERENCES:
patent: 3926061 (1975-12-01), Paulson
patent: 4544061 (1985-10-01), Crandall
patent: 5311790 (1994-05-01), Yanagisawa
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