Ball bushing for linear motions

Details Ball bushing for linear motions Ball bushing for linear motions

1976-12-21

1978-02-14

Bertsch, Richard A.

Cutlery

308 28, 308184R, 308237R, F16C 2700

Patent

active

040735478

ABSTRACT:
A ball bushing for linear motions comprising a circumferentially extending cage member disposed between an outer sleeve and a shaft or the like. The outer sleeve is characterized by a novel structural arrangement providing ease in mounting. The outer sleeve is a self-contained unit which is easy to handle and suitable for mounting in housings in a manner allowing prestressing of the bushing. The cage has a plurality of circumferentially spaced axially oriented grooves which define closed paths for the rolling elements and includes at least one path in which the rolling elements are loaded. The cage also has at one axial end a projection defining an abutment shoulder for the sleeve. The sleeve comprises a plurality of longitudinal sections of a predetermined length to overlie the grooves in the cage. Adjacent the sections have complementary grooves and ridges formed therein permitting assembly by relative axial displacement to form a closed sleeve encircling the cage. Detachable retaining means is provided adjacent the opposite end of the cage for positioning the sleeve in the cage and limiting axial displacement thereof. Another feature in one embodiment is the provision of a radial projection which is detachable.

REFERENCES:
patent: 3844629 (1974-10-01), Haines
patent: 3891284 (1975-06-01), Ernst
patent: 3900233 (1975-08-01), Thomson
patent: 3951473 (1976-04-01), Olschewski
patent: 4005913 (1977-02-01), Thomson, Jr.

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