Patent US4204294A successfully refreshed from Google Patents.
US4204294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical terminal cleaning device
Assignee: Individual
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Filing: 1978-10-23
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Granted: 1980-05-27
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Expires: 1998-10-23
Abstract
Abstract A cleaning device comprises a handle member and one or more brushes, each brush having an abrasive bristle end. Each brush is mounted on the handle member for independent pivotal movement relative to the handle member between an operative position in which the abrasive bristle end extends outwardly of the handle member for use and an inoperative position in which the abrasive bristle end is contained within the confines of the handle member for storage.
Inventors
- 👤 Robert J. Halverson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:44
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/002; A46B5/0033; A46B5/0045; H; H01; H01R; H01R43/00; H01R43/002; A46B2200/00; A46B2200/30; A46B2200/3073
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
281 words
A cleaning device comprising: a main body member having an interior pocket including an end wall, said main body member also having an open portion permitting access into said interior pocket; a first shaft adjacently located to said end wall and a second shaft in said interior pocket and spaced from said first shaft; a plurality of brushes, each of said brushes including an abrasive bristle end, an end portion oppositely spaced from said abrasive bristle end, each of said end portions being individually pivotally attached to said first shaft for permitting independent pivotal movement of said respective brush through said open portion between an inoperative position in which said respective abrasive bristle end is confined within said interior pocket and an operative position in which said respective abrasive bristle end extends outwardly of said main body member, and a stem portion intermediate each of said end portions and said respective abrasive bristle end; a cover member pivotally mounted on said second shaft for movement between a first position permitting pivotal movement of each of said abrasive bristle ends through said open portion and a second position preventing the pivotal movement; and wherein said end wall includes a plurality of slotted portions, the number of said slotted portions corresponding with the number of said brushes, each of said slotted portions being aligned with a respective one of said brushes and adapted to receive said respective stem portion when said respective brush is moved between said operative and inoperative positions, each of said slotted portions substantially limiting movement of said respective abrasive bristle end in a direction generally parallel to said first shaft when said respective brush is in said operative position.
Claim 2
Dependent Claim
281 words
A cleaning device comprising: a main body member having an interior pocket including an end wall, said main body member also having an open portion permitting access into said interior pocket; a first shaft adjacently located to said end wall and a second shaft in said interior pocket and spaced from said first shaft; a plurality of brushes, each of said brushes including an abrasive bristle end, an end portion oppositely spaced from said abrasive bristle end, each of said end portions being individually pivotally attached to said first shaft for permitting independent pivotal movement of said respective brush through said open portion between an inoperative position in which said respective abrasive bristle end is confined within said interior pocket and an operative position in which said respective abrasive bristle end extends outwardly of said main body member, and a stem portion intermediate each of said end portions and said respective abrasive bristle end; a cover member pivotally mounted on said second shaft for movement between a first position permitting pivotal movement of each of said abrasive bristle ends through said open portion and a second position preventing the pivotal movement; and wherein said end wall includes a plurality of slotted portions, the number of said slotted portions corresponding with the number of said brushes, each of said slotted portions being aligned with a respective one of said brushes and adapted to receive said respective stem portion when said respective brush is moved between said operative and inoperative positions, each of said slotted portions substantially limiting movement of said respective abrasive bristle end in a direction generally parallel to said first shaft when said respective brush is in said operative position.
Claim 3
Dependent Claim
136 words
A cleaning device according to claim 1: further including a tubular scraper body having a first end portion pivotally attached to said first shaft and an open second end portion movable about said first shaft between an inoperative position in which said open second end portion is confined within said interior pocket and an operative position in which said open second end portion extends outwardly of said main body member; and wherein said end wall further includes an additional slotted portion adapted to slidably receive said tubular scraper body when said open second end portion is moved between said operative and inoperative positions, said additional slotted portion substantially limiting movement of said open second end portion in a direction generally parallel to said first shaft when said open second end portion is in said operative position.
Claim 4
Dependent Claim
258 words
A cleaning device comprising: a main body member having an interior pocket including an end wall, said main body also having an open portion permitting access into said interior pocket; a shaft located adjacent to said end wall; a plurality of brushes, each of said brushes including an abrasive portion, an end portion oppositely spaced from said abrasive portion, each of said end portions being independently pivotally attached to said shaft for permitting pivotal movement of said respective brush about said shaft and through said open portion between an inoperative position in which said respective abrasive portion is confined within said interior pocket and an operative position in which said respective abrasive portion extends outwardly of said end wall, and a stem portion intermediate each of said end portions and said respective abrasive portion; a cover member pivotally attached to said main body member and movable between a first position permitting pivotal movement of said abrasive portion through said open portion and a second position preventing the pivotal movement; and wherein said end wall includes a plurality of slotted portions, the number of said slotted portions corresponding with the number of said brushes, each of said slotted portions being aligned with a respective one of said brushes and adapted to receive said respective stem portion when said respective brush is moved between said operative and inoperative positions, each of said slotted portions substantially limiting movement of said respective abrasive portion in a direction generally parallel to said first shaft when said respective brush is in said operative position.
Claim 5
Dependent Claim
258 words
A cleaning device comprising: a main body member having an interior pocket including an end wall, said main body also having an open portion permitting access into said interior pocket; a shaft located adjacent to said end wall; a plurality of brushes, each of said brushes including an abrasive portion, an end portion oppositely spaced from said abrasive portion, each of said end portions being independently pivotally attached to said shaft for permitting pivotal movement of said respective brush about said shaft and through said open portion between an inoperative position in which said respective abrasive portion is confined within said interior pocket and an operative position in which said respective abrasive portion extends outwardly of said end wall, and a stem portion intermediate each of said end portions and said respective abrasive portion; a cover member pivotally attached to said main body member and movable between a first position permitting pivotal movement of said abrasive portion through said open portion and a second position preventing the pivotal movement; and wherein said end wall includes a plurality of slotted portions, the number of said slotted portions corresponding with the number of said brushes, each of said slotted portions being aligned with a respective one of said brushes and adapted to receive said respective stem portion when said respective brush is moved between said operative and inoperative positions, each of said slotted portions substantially limiting movement of said respective abrasive portion in a direction generally parallel to said first shaft when said respective brush is in said operative position.
Claim 6
Dependent Claim
199 words
A cleaning device comprising: a main body member having an interior pocket including an end wall, said main body also having an open portion permitting access into said interior pocket; a shaft located adjacent to said end wall; a brush including a wire stem having an abrasive end portion and an end portion oppositely spaced from said abrasive end portion and bent around said shaft to form a pivotal connection therewith so that said brush is pivotally movable through said portion between an inoperative position in which said abrasive portion is confined within said interior pocket and an operative position in which said abrasive portion extends outwardly of said end wall; a cover member pivotally attached to said main body member and movable between a first position permitting pivotal movement of said abrasive portion through said open portion and a second position preventing the pivotal movement; and wherein said end wall includes a slotted portion adapted to slidably receive said wire stem when said brush is moved betweem said operative and inoperative positions, said slotted portion substantially limiting movement of said abrasive end in a direction generally parallel to said shaft when said brush is in said operative position.
Claim 7
Dependent Claim
199 words
A cleaning device comprising: a main body member having an interior pocket including an end wall, said main body also having an open portion permitting access into said interior pocket; a shaft located adjacent to said end wall; a brush including a wire stem having an abrasive end portion and an end portion oppositely spaced from said abrasive end portion and bent around said shaft to form a pivotal connection therewith so that said brush is pivotally movable through said portion between an inoperative position in which said abrasive portion is confined within said interior pocket and an operative position in which said abrasive portion extends outwardly of said end wall; a cover member pivotally attached to said main body member and movable between a first position permitting pivotal movement of said abrasive portion through said open portion and a second position preventing the pivotal movement; and wherein said end wall includes a slotted portion adapted to slidably receive said wire stem when said brush is moved betweem said operative and inoperative positions, said slotted portion substantially limiting movement of said abrasive end in a direction generally parallel to said shaft when said brush is in said operative position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-05-27 | 1983-11-26 | 1984-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-27 | 1987-11-26 | 1988-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-27 | 1991-11-26 | 1992-05-27 | $7700.00 | Window Closed / Lapsed |