Thin-line circulating ball drawer slide

Details Thin-line circulating ball drawer slide Thin-line circulating ball drawer slide

1974-01-21

1976-04-13

Myhre, Charles J.

Cutlery

308 38, F16C 1700

Patent

active

039500403

ABSTRACT:
A slide assembly comprising a relatively fixed elongated track member, a relatively movable elongated track member, and an intermediate elongated track member movable relative to the fixed and movable track members, each track member having upper and lower longitudinally extending, parallel edge portions. The intermediate track member provides, respectively, at its upper and lower edge portions, a first set of upwardly and downwardly opening, longitudinally extending channels and, intermediate its upper and lower edge portions, a second set of upwardly and downwardly opening, longitudinally extending channels in vertical registry with the first-mentioned channels. The upper and lower edge portions of the fixed track member provide downwardly and upwardly longitudinally extending runners extending respectively into the first set of channels while the upper and lower edge portions of the movable track member provide downwardly and upwardly longitudinally extending runners extending respectively into the second set of channels. Then, the intermediate track member provides a plurality of closed-loop path ball bearing raceways between the upwardly opening channel of the first set and the downwardly opening channel of the second set and a plurality of closed-loop path ball bearing raceways between the downwardly opening channel of the first set and the upwardly opening channel of the second set. Ball bearings substantially fill the raceways, and the raceways are in communication, respectively, with the channels such that the track members are freely movably supported relative to each other by the ball bearings.

REFERENCES:
patent: 2708285 (1955-05-01), Greenspon et al.
patent: 3035873 (1962-05-01), Fall
patent: 3059978 (1962-10-01), Fall
patent: 3371968 (1968-03-01), Loake
patent: 3608985 (1971-09-01), Swanson
patent: 3776608 (1973-12-01), Fall et al.

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