Hand-held power tool with locking nut

Details Hand-held power tool with locking nut Hand-held power tool with locking nut

2011-07-05

2011-07-05

Rose, Robert (Department: 3727)

Abrading

Frame or mount

Portable abrader

C451S508000

Reexamination Certificate

active

07972199

ABSTRACT:
A hand-held power tool includes a drive spindle (2) rotatable about a rotational axis (A) and provided at its free end with a clamping flange (3) and a locking thread (4) having at least one thread undercut (8), and a locking nut (7) tightenable on the locking thread (4) for securing a disc-shaped tool (5) between its clamping surface (6) and the clamping flange (3) of the drive spindle (2), with the thread undercut (8) having an axial length that corresponds to at least an axial length of an inner thread (9) of the locking nut (7).

REFERENCES:
patent: 5207028 (1993-05-01), Timmons
patent: 5464365 (1995-11-01), Kirn
patent: 7357702 (2008-04-01), Ficai
patent: 2003/0114092 (2003-06-01), Rupprecht et al.

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