Bearing locking mechanism, work support

Details Bearing locking mechanism, work support Bearing locking mechanism, work support

1995-06-07

1997-11-18

Eley, Timothy V.

Work holders

Work-stop abutment

Resiliently urged abutment

269310, 269329, 403321, B23Q 300

Patent

active

056879628

ABSTRACT:
A work support incorporating an improved bearing locking mechanism comprises a body having a first and second end and a body bore defined by a body inner wall; a pin defining a pin ramp and slidably positioned within the body bore to receive a work piece load; a plurality of roller bearings circumferentially spaced about the body bore; a nose cap closing the first end, and a cage assembly to engage roller bearings, close the second end and form a barrier to receive fluid back pressure. Introduction of fluid back pressure and work piece load rotates the roller bearings toward the pin ramp and urges the pin in an opposing direction, locking the roller bearings, pin ramp and body inner wall. The work piece load and fluid back pressure are both introduced and then both removed to respectively cause locking and unlocking to occur. A method of using a work support comprises the steps of introducing a work piece load and fluid back pressure, and continuing the locking relationship until both work piece load and fluid back pressure are removed.

REFERENCES:
patent: 2942903 (1960-06-01), Giladett
patent: 3043614 (1962-07-01), Eichmann
patent: 3689060 (1972-09-01), Hensley, Jr.
patent: 4445675 (1984-05-01), Kitaura
patent: 4932642 (1990-06-01), Salenbien et al.
patent: 5056418 (1991-10-01), Granger et al.
patent: 5409322 (1995-04-01), Horekawa et al.

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