Metal working – Method of mechanical manufacture – Electrical device making
Patent
1997-06-11
1999-05-04
Ramirez, Nestor
Metal working
Method of mechanical manufacture
Electrical device making
310237, H01R 4308
Patent
active
058989897
ABSTRACT:
Carbon segments (7) of a planar commutator are molded over contact members (5). Anchor means (8), integral with each carbon segment (7) have an interlocking part (11) engaging the rear surface (6) of the contact member (5) and fit into a first blind hole (4) in the form of a recess of uniform transverse cross-section extending rearwardly of the front end (3) of a molded plastic base member (1). The contact members (5) are each attached to the base member (1) by means of locking portions (15) which project into second blind holes (14) having internal surfaces which grip the locking portions (15).
REFERENCES:
patent: 5157299 (1992-10-01), Gerlach
patent: 5255426 (1993-10-01), Farago et al.
patent: 5353492 (1994-10-01), Potocnik et al.
patent: 5400496 (1995-03-01), Kemmner et al.
patent: 5442849 (1995-08-01), Strobl
Johnson Electric S.A.
Mullins B.
Ramirez Nestor
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