Power tool having a receptacle for securing a tool

Details Power tool having a receptacle for securing a tool Power tool having a receptacle for securing a tool

2005-09-20

2005-09-20

Hail, III, Joseph J. (Department: 3723)

Abrading

Frame or mount

For hanging rigid, rotary abrading tool

C451S353000, C451S359000, C451S360000, C451S508000, C451S509000, C451S510000, C451S511000, C451S512000

Reexamination Certificate

active

06945862

ABSTRACT:
A power tool having a receptacle for securing a tool to a drive shaft thereof is disclosed. The receptacle comprises a receiving opening, preferably being arranged on the tool. The receiving opening engages a securing section preferably being provided in a raised fashion on the drive shaft of the power tool, thereby effecting a positive fit. The securing section comprises a plurality of rounded tips arranged at even radial distances from said longitudinal axis, at angular intervals between each other, each rounded tip having a pair of lateral flanks extending from a common apex toward an intermediate section connecting lateral flanks of a pair of adjacent rounded tips. Preferably the receiving opening comprises a number of rounded tips which is twice the number of rounded tips provided on the raised section.

REFERENCES:
patent: 1947662 (1934-02-01), Robinson
patent: 4920702 (1990-05-01), Kloss et al.
patent: 4980976 (1991-01-01), Junginger et al.
patent: 5058909 (1991-10-01), Rudolf et al.
patent: 5157873 (1992-10-01), Rudolf et al.
patent: 5303688 (1994-04-01), Chiuminatta et al.
patent: 6132300 (2000-10-01), Martin
patent: 1878647 (1963-08-01), None
patent: 0244465 (1986-11-01), None
patent: 369390 (1989-11-01), None
patent: 1034870 (2000-03-01), None

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