Roller supported by a pneumatic bearing

Details Roller supported by a pneumatic bearing Roller supported by a pneumatic bearing

1985-03-13

1986-08-05

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29116R, 29132, 384101, B21B 3108, B21B 2700, B60B 704

Patent

active

046034587

ABSTRACT:
A roller used for a roller conveyor which includes an outer cylinder of the roller supported by a pneumatic bearing. The roller also includes a fixed shaft having a path for letting air pass through in the center thereof, and annular members fitted on the fixed shaft, the outer cylinder covering the shaft and annular members leaving a narrow gap around the annular members. The path for letting air pass through the shaft and the narrow gap communicate with each other by way of holes and a groove made on the annular members. Therefore, the introduced air can pass through the holes and the groove and then fill the narrow gap to such an extent that the wall of the outer cylinder never comes into contact with the annular members, the thin layer of air in the gap functioning as the pneumatic bearing.

REFERENCES:
patent: 2708763 (1955-05-01), Jacoby
patent: 3349462 (1967-10-01), Mott
patent: 3397439 (1968-08-01), Hanau
patent: 3657782 (1972-04-01), Mott
patent: 4266660 (1981-05-01), Herman
patent: 4416201 (1983-11-01), Kessler

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