Method and apparatus for withdrawing a machine shaft

Details Method and apparatus for withdrawing a machine shaft Method and apparatus for withdrawing a machine shaft

1993-02-26

1995-03-21

Reese, Randolph A.

Metal working

Method of mechanical manufacture

Disassembling

29252, 29434, 29700, 37394, 37395, 37397, 180 85, 180 86, B23P 1900, B23P 1100, B62D 5106, E02F 348

Patent

active

053983963

ABSTRACT:
The new method relates to a machinery assembly having (a) a housing, (b) an eccentric confined in the housing, (c) a shaft extending into the eccentric and (d) a shaft axis of rotation. A method for moving the shaft with respect to the housing includes the steps of applying a support force at a point on the housing so that such force places the housing substantially in equilibrium with respect to the axis. A withdrawing force is then applied to the shaft in a direction generally parallel to the axis. A jacking mechanism contacts the housing at a point to apply a support force to such housing. The force magnitude and direction place the housing substantially in equilibrium with respect to the axis to reduce or eliminate frictional forces.

REFERENCES:
patent: 1325964 (1919-12-01), Templeton
patent: 1653126 (1927-12-01), Schwerin
patent: 2297556 (1942-09-01), Hermann
patent: 2399417 (1946-04-01), Wilson et al.
patent: 4038765 (1977-08-01), Sankey et al.
patent: 4138876 (1979-02-01), Chisum
patent: 4329795 (1982-05-01), Kalve
patent: 5040314 (1991-08-01), Kalve
patent: 5121561 (1992-06-01), Palfreyman
patent: 5154012 (1993-10-01), Kallenberger
patent: 5154013 (1993-10-01), Kallenberger
patent: 5245882 (1993-09-01), Kallenberger

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