Tool assembly apparatus having a recessed tip and a method...

Cutlery – Perforating or indenting implements

Reexamination Certificate

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Details

C030S362000, C030S367000

Reexamination Certificate

active

07921569

ABSTRACT:
A tool assembly is disclosed that provides reciprocating motion to a tip of the assembly. The tool assembly has a drive assembly, a shaft assembly and a retraction mechanism contained within a housing. The tip of the shaft assembly protrudes from the housing during a portion of the stroke of the drive mechanism and upon disengagement of a motor of the drive assembly, the tip of the shaft assembly is recessed within the housing of the tool assembly.

REFERENCES:
patent: 990006 (1911-04-01), Reading
patent: 2307424 (1943-01-01), Savage
patent: 2390371 (1945-12-01), Ivy
patent: 2529895 (1950-11-01), Anderson
patent: 3315356 (1967-04-01), Swanke et al.
patent: 3359637 (1967-12-01), Hansen
patent: 3596525 (1971-08-01), Niesz
patent: 3703834 (1972-11-01), Beezer
patent: 3832772 (1974-09-01), Sumida
patent: 4446621 (1984-05-01), Peterson
patent: 4631827 (1986-12-01), Moores
patent: 4712625 (1987-12-01), Kress
patent: 4891884 (1990-01-01), Torbet

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