Peening tool

Details Peening tool Peening tool

1975-01-03

1976-01-27

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

Spherical tool

72 76, B21J 716

Patent

active

039344436

ABSTRACT:
An improved peening tool comprising a cylindrical body having a plurality of holes each adapted to receive a spherically shaped ball bearing. A sleeve member having a plurality of holes is located over the cylindrical body so that each hole in said sleeve is aligned with the hole in said cylindrical body. The diameter of the hole in the sleeve is less than the diameter of the spherically shaped ball. A rotatable driver body is located within said cylindrical body and contains an even number of individual rotatable hammers adapted to sequentially contact said spherical balls. During operation each hammer is free to rotate about its own axis thereby presenting a new contacting point for moving the spherical balls.

REFERENCES:
patent: 924440 (1909-06-01), Dowell
patent: 1278359 (1918-09-01), Lane
patent: 1920102 (1933-07-01), Nolan
patent: 3239282 (1966-03-01), Schroll et al.
patent: 3266825 (1966-08-01), Magorien
patent: 3444714 (1969-05-01), Gustkey
patent: 3517533 (1970-06-01), Koznar
patent: 3610008 (1971-10-01), Foedisch

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