Metal working – Method of mechanical manufacture – Electrical device making
Patent
1994-07-21
1996-03-05
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29598, 29733, H02K 1514
Patent
active
054956579
ABSTRACT:
In the case of assembly after the insertion of the rotor (4-7) with the commutator (4) into the motor housing (8), in order to be able to install the brush holder (1), with its brushes (1.1; 1.2) which are subject to radial spring pressure, simply and in a manner which can be carried out by an automated machine it is proposed that: the brush holder (1) is pushed onto one end part (2.1) of an installation mandrel (2) which is in the form of a sleeve and whose other end (2.3) is placed on the commutator (4), together with an integrated restraining part (3) which holds the brushes (1.1; 1.2) in a raised installation position; and that the restraining part (3) is fixed outside the motor housing (8) by means of a conical expansion of one end part (2.1). The brush holder (1) is then moved into its final position with the brushes (1.1; 1.2) which now slide on the installation mandrel (2 ). The brushes (1.1; 1.2) are pressed radially onto the commutator (4) during the withdrawal of the installation mandrel (2).
REFERENCES:
patent: 3001271 (1961-09-01), Perrin
patent: 3875640 (1975-04-01), Perrin et al.
patent: 4617486 (1986-10-01), Miyauchi
patent: 4694214 (1987-09-01), Stewart
patent: 4774754 (1988-10-01), Stewart
patent: 5172465 (1992-12-01), Stewart, Sr.
Adam Peter
Zeisner Pius
Hall Carl E.
Siemens Aktiengesellschaft
Wells Russel C.
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