Conveyors: power-driven – Conveyor system for moving a specific load as a separate unit – System includes a rotating or endless carrier with a load...
Patent
1992-09-23
1994-02-15
Bidwell, James R.
Conveyors: power-driven
Conveyor system for moving a specific load as a separate unit
System includes a rotating or endless carrier with a load...
29720, 29739, 29743, 198341, 1984643, B65G 1746
Patent
active
052858880
ABSTRACT:
In a parts mounting apparatus, a suction nozzle is caused to perform a cycloid movement. A part such as an electronic part is sucked into the nozzle at one of bottom dead points of the cycloid movement and mounted onto another component such as a circuit substrate at the other or another bottom dead point. In compensation of the position of the nozzle at the bottom dead point, the nozzle is also caused to perform the cycloid movement. The position of the nozzle at the bottom dead point is monitored by a monitoring camera so that an amount of deviation of the position of the nozzle from the bottom dead point is obtained. The phase of the cycloid movement is compensated so that the amount of deviation of the nozzle is rendered zero. Alternatively, the part sucked in the nozzle positioned at the bottom dead point is monitored by the monitoring camera.
REFERENCES:
patent: 4157206 (1979-06-01), Ikeda et al.
patent: 4793707 (1988-12-01), Hata et al.
patent: 4809430 (1989-03-01), Maruyama et al.
patent: 4951388 (1990-08-01), Eguchi et al.
patent: 5086556 (1992-02-01), Toi
patent: 5177864 (1993-01-01), Oyama
IBM Technical Disclosure Bulletin, vol. 31, No. 2, Jul. 1988.
Izume Takatomo
Sano Katasuga
Sato Shuji
Sekiguchi Shingo
Suzuki Hisao
Bidwell James R.
Kabushiki Kaisha Toshiba
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