US3867659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush holder assembly
Assignee: General Electric Co
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Filing: 1973-08-06
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Granted: 1975-02-18
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Expires: 1993-08-06
Abstract
Abstract An improved brush holder assembly comprising a motor frame with longitudinal groove means completely open at the top. Channel means in the groove sides terminates below the groove top to form an overhang. A tubular brush holder means with flexible lances opening upwardly allows the holder to be pressed down from above against the groove bottom with the lances locking below the overhang to locate and lock the holder in all directions for easier manual or automatic assembly.
Inventors
- 👤 Duane M Seaburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:46
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/148; H02K5/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
125 words
For use in an electric motor frame with commutator brushes, an improved brush holder assembly comprising, groove means having a complete open top disposed in said frame, channel means in the side of said groove means extending towards and terminating below the top of the groove to define an overhang below said top, a tubular brush holder formed to fit said groove means, flexible tab means comprising lances struck out of the sides of the brush holder and opening upwardly of the fixed position of said brush holder, whereby said holder may be pressed down from above against the groove bottom with the tab means deflecting into the channel means and then locking below the overhang to locate and fix the holder in the groove.
Claim 2
Dependent Claim
125 words
For use in an electric motor frame with commutator brushes, an improved brush holder assembly comprising, groove means having a complete open top disposed in said frame, channel means in the side of said groove means extending towards and terminating below the top of the groove to define an overhang below said top, a tubular brush holder formed to fit said groove means, flexible tab means comprising lances struck out of the sides of the brush holder and opening upwardly of the fixed position of said brush holder, whereby said holder may be pressed down from above against the groove bottom with the tab means deflecting into the channel means and then locking below the overhang to locate and fix the holder in the groove.
Claim 3
Dependent Claim
26 words
Apparatus as described in claim 1 wherein said groove is substantially rectangular in cross section and the opposite sides each have vertical channel means disposed therein.
Claim 4
Dependent Claim
32 words
Apparatus as described in claim 2 wherein said tubular holder is rectangular for pressing in said groove and said flexible tab means comprises lances struck out of the sides of the holder.
Claim 5
Dependent Claim
13 words
Apparatus as described in claim 3 wherein said overhang is a slanted wall.
Claim 6
Dependent Claim
34 words
Apparatus as described in claim 3 wherein the angle of said slanted wall is less than the arc described by said lances as they lock below said overhang whereby a tight fit is obtained.
Claim 7
Dependent Claim
32 words
Apparatus as described in claim 4 wherein the motor frame is molded plastic and the vertical channels and lances are of substantial equal width as part of said groove and holder, respectively.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |