Electrical hand grinder

Details Electrical hand grinder Electrical hand grinder

1997-02-14

1998-06-30

Rose, Robert A.

Abrading

Frame or mount

Portable abrader

B24B 2300

Patent

active

057724989

ABSTRACT:
An electrical hand grinder has a machine housing having a housing axis and composed of two housing shells which are assembled with one another along a separating joint located in a plane of the housing axis, an electric motor having a driven shaft and received in the machine housing, an eccentric pin extending outwardly of the machine housing and driven by the driven shaft of the electric motor, a grinding disk arranged on the eccentric pin and having a lower side for receiving a grinding element, a ventilator wheel for cooling the electric motor, the ventilator wheel and the eccentric pin being formed as sheet metal stamped parts which are assembled with eccentrically oriented axes, one of the sheet metal stamped parts which forms the ventilator wheel being provided with a one-piece sleeve arranged on the driven shaft of the electric motor for joint rotation with the driven shaft.

REFERENCES:
patent: 2200322 (1940-05-01), Arnesen
patent: 3570816 (1971-03-01), Germond
patent: 4475317 (1984-10-01), Dicke
patent: 5206967 (1993-05-01), Fushiya et al.
patent: 5453040 (1995-09-01), Schaal et al.
patent: 5496207 (1996-03-01), Hornung et al.
patent: 5580302 (1996-12-01), Howard et al.
patent: 5626510 (1997-05-01), Berger et al.

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