Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2007-08-14
2007-08-14
Mullins, Burton S. (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S089000, C310S062000, C310S216055
Reexamination Certificate
active
11108477
ABSTRACT:
A power tool comprising an electric motor for driving a tool is disclosed. The electric motor comprises a shaft, an armature, and a brush collector. The stator is configured as a self-supporting unit comprising first and second supporting parts. One of the supporting parts may be configured as an air guide ring allowing air to be routed between a fan and the opposite end of the electric motor along the armature and the brushes.
REFERENCES:
patent: 828945 (1906-08-01), Maclean
patent: 2987636 (1961-06-01), Jepson
patent: 3476960 (1969-11-01), Rees
patent: 3585331 (1971-06-01), Bednarski et al.
patent: 6277013 (2001-08-01), Sasaki et al.
patent: 6543549 (2003-04-01), Riedl et al.
patent: 6555773 (2003-04-01), Broghammer et al.
patent: 6625892 (2003-09-01), Takahashi et al.
patent: 6892459 (2005-05-01), Okumura et al.
patent: 2002/0170185 (2002-11-01), Kondo et al.
patent: 2003/0034164 (2003-02-01), Rudolf et al.
patent: 2003/0190877 (2003-10-01), Gallagher et al.
patent: 839 064 (1952-05-01), None
patent: 884 163 (1953-07-01), None
patent: 940 477 (1956-03-01), None
patent: 1 047 298 (1959-06-01), None
patent: 8908646 (1989-11-01), None
patent: 4019894 (1991-04-01), None
patent: 40 27 135 (1992-03-01), None
patent: 43 09 049 (1994-09-01), None
patent: 1.136.606 (1957-05-01), None
patent: 2002270066 (2002-09-01), None
patent: WO 01/51251 (2001-07-01), None
International Search Report dated Mar. 5, 2004.
German Search Report; Jan. 10, 2006; 4 pages.
Braun Sigmund
Rudolf Boris
C. & E. Fein GmbH
Mullins Burton S.
Preston Erik
St. Onge Steward Johnston & Reens LLC
LandOfFree
Power tool with a self-supporting motor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Power tool with a self-supporting motor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power tool with a self-supporting motor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3852810