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US4561174A Expired / Lapsed US ⏱️ 0.0 years remaining

Brush assembly tool

Assignee: Individual
•
Filing: 1985-02-14
•
Granted: 1985-12-31
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Expires: 2005-02-14
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Abstract

Abstract A brush assembly tool is provided and includes a cylindrical post and a brush retainer that will effectively preset four spring loaded brushes within a brush assembly housing so that a motor armature can be placed within the brush assembly housing.

Inventors

  • 👤 Elizor Gibli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:53
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/38; H01R43/00; H01R43/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011; Y10T29/49012; Y10T29/53; Y10T29/5313; Y10T29/53143

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 236 words
The method of properly positioning four spring loaded brushes within brush holders of a brush assembly housing having a central aperture prior to insertion of a motor armature through said central aperture of said brush assembly housing, said method comprises: (a) pushing two opposite spring loaded brushes into proper position within said brush holders of said brush assembly housing; (b) placing said central aperture of said brush assembly onto a reduced upper portion of a cylindrical post having a slot therein so that said two spring loaded brushes remain in proper position; (c) pushing another two opposite spring loaded brushes that are in alignment with said slot into proper position within said brush holders of said brush assembly housing; (d) pushing down said brush assembly housing until said brush assembly housing rests on a stop portion of said cylindrical post so that said four spring loaded brushes remain in proper position; (e) placing a brush retainer upon said reduced upper portions of said cylindrical post; (f) holding down said brush retainer when said brush assembly is removed from said cylindrical post so that said spring loaded brushes will apply pressure against said brush retainer and thus keep said brushes in proper position within said brush holders in said brush assembly housing; and (g) pushing said motor armature through said central aperture which removes and replaces said brush retainer to hold said four brushes in proper position.
Claim 2
Independent Claim 236 words
The method of properly positioning four spring loaded brushes within brush holders of a brush assembly housing having a central aperture prior to insertion of a motor armature through said central aperture of said brush assembly housing, said method comprises: (a) pushing two opposite spring loaded brushes into proper position within said brush holders of said brush assembly housing; (b) placing said central aperture of said brush assembly onto a reduced upper portion of a cylindrical post having a slot therein so that said two spring loaded brushes remain in proper position; (c) pushing another two opposite spring loaded brushes that are in alignment with said slot into proper position within said brush holders of said brush assembly housing; (d) pushing down said brush assembly housing until said brush assembly housing rests on a stop portion of said cylindrical post so that said four spring loaded brushes remain in proper position; (e) placing a brush retainer upon said reduced upper portions of said cylindrical post; (f) holding down said brush retainer when said brush assembly is removed from said cylindrical post so that said spring loaded brushes will apply pressure against said brush retainer and thus keep said brushes in proper position within said brush holders in said brush assembly housing; and (g) pushing said motor armature through said central aperture which removes and replaces said brush retainer to hold said four brushes in proper position.
Claim 3
Dependent Claim 266 words
A brush assembly tool for properly positioning four spring loaded brushes within brush holders of a brush assembly housing having a central aperture prior to insertion of a motor armature through said central aperture of said brush assembly housing, said tool comprises: (a) a platform; (b) a vertical cylindrical post attached to said platform, said post having a lower stop portion and a reduced upper portion with a slot therein, wherein two opposite spring loaded brushes are pushed into proper position within said brush holders of said brush assembly housing, said central aperture of said brush assembly housing placed onto said reduced upper portion of said cylindrical post with said two spring loaded brushes remaining in proper position, another two opposite spring loaded brushes that are in alignment with said slot are pushed into proper position within said brush holders of said brush assembly housing and said brush assembly housing pushed down until the brush assembly housing rests on said stop portion of said cylindrical post so that said four spring loaded brushes remain in proper position; and (c) a brush retainer to be placed upon said reduced upper portion of said cylindrical post, said brush retainer to be held down when said brush assembly is removed from said cylindrical post so that said spring loaded brushes will apply pressure against said brush retainer and thus keep said brushes in proper position within said brush holders in said brush assembly housing until said motor armature is pushed through said central aperture which removes and replaces said brush retainer to hold said four brushes in proper position.
Claim 4
Dependent Claim 266 words
A brush assembly tool for properly positioning four spring loaded brushes within brush holders of a brush assembly housing having a central aperture prior to insertion of a motor armature through said central aperture of said brush assembly housing, said tool comprises: (a) a platform; (b) a vertical cylindrical post attached to said platform, said post having a lower stop portion and a reduced upper portion with a slot therein, wherein two opposite spring loaded brushes are pushed into proper position within said brush holders of said brush assembly housing, said central aperture of said brush assembly housing placed onto said reduced upper portion of said cylindrical post with said two spring loaded brushes remaining in proper position, another two opposite spring loaded brushes that are in alignment with said slot are pushed into proper position within said brush holders of said brush assembly housing and said brush assembly housing pushed down until the brush assembly housing rests on said stop portion of said cylindrical post so that said four spring loaded brushes remain in proper position; and (c) a brush retainer to be placed upon said reduced upper portion of said cylindrical post, said brush retainer to be held down when said brush assembly is removed from said cylindrical post so that said spring loaded brushes will apply pressure against said brush retainer and thus keep said brushes in proper position within said brush holders in said brush assembly housing until said motor armature is pushed through said central aperture which removes and replaces said brush retainer to hold said four brushes in proper position.
Claim 5
Dependent Claim 35 words
A brush assembly tool as recited in claim 2, wherein said brush retainer is of a spider configuration and includes four downwardly extending fingers that will be in proper position with all said four brushes.
Claim 6
Dependent Claim 37 words
A brush assembly tool as recited in claim 2, wherein said brush retainer is of a cap configuration and includes a continuous downwardly extending flange that will always be in proper position with all said four brushes.

References Cited (Backward Citations)

US4423549A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-12-30 1989-07-01 1989-12-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-12-30 1993-07-01 1993-12-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-12-30 1997-07-01 1997-12-31 $7700.00 Window Closed / Lapsed

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