Bearings – Rotary bearing – Plain bearing
Patent
1991-02-07
1992-09-08
Hannon, Thomas R.
Bearings
Rotary bearing
Plain bearing
384266, 384397, F16C 2702, F16C 2504, F16C 3310
Patent
active
051452634
ABSTRACT:
A bearing system rotatably supporting a shaft or any other similar machine element is unrotatably fitted in a bearing inserting aperture. The bearing system comprises a fixed bushing which is located more adjacently than the shaft to a portion thereof on which external force acts, and is fixed within the bearing inserting aperture. A movable bushing cooperates with the fixed bushing to hold the shaft, and is allowed to advance or retreat relative to the fixed bushing. Springs allow the movable bushing to approach the fixed bushing. If the outer circumferential surface of the shaft and the inner peripheral surface of the fixed bushing are worn out or abraded, the movable bushing is moved in proportion to the wear or abrasion amounts of the shaft and the fixed bushing in the direction of the fixed bushing by using the springs. Therefore, the outer circumferential surface of the shaft and the inner peripheral surface of the bearing system are free from any backlash therebetween, and there is no disadvantage which would result from the backlash.
REFERENCES:
patent: 945841 (1910-01-01), Evans
patent: 1444628 (1923-02-01), Miller
patent: 1588138 (1926-06-01), Neilson, Sr.
patent: 1650629 (1927-11-01), Johnson
patent: 1664880 (1928-04-01), Flintermann
patent: 2367613 (1945-01-01), Rich
patent: 3361458 (1968-01-01), Herbenar
patent: 3592518 (1971-07-01), Pfister
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