Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1989-11-30
1991-08-20
Herrmann, Allan D.
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
74 27, 74208, F16H 1300
Patent
active
050404270
ABSTRACT:
A moving mechanism according to the present invention includes a fixed base, a moving member movably provided with respect to the fixed base, a driving motor mounted on the moving member, a driving shaft rotatably supported by the moving member and rotated by the driving motor, a pair of driven wheels to be brought into rolling contact with the driving shaft, a unit for simultaneously bringing the driven wheels into rolling contact with the base, and an abutting unit for causing the driving shaft to abut against the driven wheels so that they are frictionally engaged with each other, and causing the driven wheels to abut against the fixed base so that they are fictionally engaged with each other, wherein the driven wheels are rotated on the fixed base to move the moving member with respect to the fixed base in accordance with rotation of the driving shaft. The moving mechanism further includes a slip detecting unit for detecting slip generated in a driving power transmitting system from the driving shaft to the fixed base, an abuting force adjusting unit, connected to the abutting unit, for adjusting the abutting force of the abutting unit, and a slip control unit for adjusting the abutting force adjusting unit in a direction of eliminating the slip on the basis of the detection result of the slip detecting unit.
REFERENCES:
patent: 4444069 (1984-04-01), Dangschat
patent: 4909093 (1990-03-01), Mudford
Azuma Yusaku
Sawada Yasuhiro
Tanita Takeo
Canon Kabushiki Kaisha
Herrmann Allan D.
Laub David W.
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