Rolling element cage constraint

Details Rolling element cage constraint Rolling element cage constraint

1991-06-12

1993-01-19

Hannon, Thomas R.

Bearings

Linear bearing

Roller bearing

384 49, 384 51, F16C 2904

Patent

active

051802309

ABSTRACT:
A linear bearing assembly comprising sets of guides (ways) for guiding rolling elements (ball bearings or rollers) constrained within a cage. Typically, two sets of rolling elements and cages are used between a moving part and a stationary part. Each set has four resilient elements (springs) with one end of each spring anchored to the cage and with the other ends of two springs anchored to the stationary way or part and the other ends of the other two springs are anchored to the movable way or part. This arrangement provides a restoring spring force that gradually forces the cage to its correct tracking position. If the cage is tracking properly, the spring forces cancel out and there is no inherent rubbing in the restoring mechanism.

REFERENCES:
patent: 2967741 (1961-01-01), Bostelmann
patent: 3563617 (1971-02-01), Pritchard
patent: 4262974 (1981-04-01), Tojo et al.
patent: 4974291 (1990-11-01), Mottate

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