Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1990-07-23
1991-11-05
Ip, Paul
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318567, 318 67, 414749, 74 8922, 901 17, B66C 2316
Patent
active
050633341
ABSTRACT:
An orthogonal two-axis moving apparatus includes a first guide member which extends along one direction and is attached to a stationary position, a slide block which is slidably supported on the first guide member and is movable in the one direction, and a second guide member which extends along the other direction perpendicular to the one direction and is supported by the slide block to be movable in the other direction. First and second rollers are pivotally supported on two ends of the first guide member, a third roller is pivotally supported on one end of the second guide member, and intermediate rollers are pivotally supported on four corner portions of the slide block. A coupling belt is provided and has two ends of which are fixed to the other end of the second guide member and which is looped in a cross shape on the first to third rollers and the four intermediate rollers. In addition, a first origin detection device detects an original position of the slide block along the one direction, and a second origin detection device for detecting an origin position of the second guide member along the other direction.
REFERENCES:
patent: Re32414 (1987-05-01), Hutchins et al.
patent: 4315437 (1982-02-01), Etchepare et al.
patent: 4524520 (1985-06-01), Levy
patent: 4537084 (1985-08-01), Passemard et al.
patent: 4600083 (1986-07-01), Parent et al.
patent: 4922173 (1990-05-01), Lawler
patent: 4961213 (1990-10-01), Linhart
Azuma Yusaku
Kigami Hiroyuki
Tanita Takeo
Canon Kabushiki Kaisha
Ip Paul
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