US3903577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for removing push buttons
Assignee: Milacron Inc
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Filing: 1974-06-12
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Granted: 1975-09-09
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Expires: 1994-06-12
Abstract
Abstract A tool for removing spring-retained push buttons from panels without damaging either the push buttons or the panels. The tool comprises a hollow sleeve for sliding over the push button to release the retainer spring, and a plunger which slides within the sleeve for thrusting the released push button out of the panel.
Inventors
- 👤 Ruben Verldon Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:17
CPC Classifications
B; B25; B25B; B25B31/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53274; Y10T29/53283; Y10T29/53909; Y10T29/53943
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
80 words
An apparatus for removing from a panel a spring-retained push button having a retainer spring and a push button body with extensions thereon, said apparatus comprising: a. means for releasing the retainer spring to permit removal of said push button from the panel; and b. a plunger in sliding engagement with said releasing means for removing the released spring-retained push button from the panel, said plunger having means for enclosing the push button body extensions to protect them during removal.
Claim 2
Independent Claim
80 words
An apparatus for removing from a panel a spring-retained push button having a retainer spring and a push button body with extensions thereon, said apparatus comprising: a. means for releasing the retainer spring to permit removal of said push button from the panel; and b. a plunger in sliding engagement with said releasing means for removing the released spring-retained push button from the panel, said plunger having means for enclosing the push button body extensions to protect them during removal.
Claim 3
Dependent Claim
61 words
The apparatus of claim 1, wherein said releasing means further comprises a hollow sleeve with internal bore of the same shape as and dimensions slightly larger than the periphery of the push button body for enclosing the push button body and compressing the retainer spring against the push button body to permit removal of the spring-retained push button from the panel.
Claim 4
Dependent Claim
53 words
The apparatus of claim 2, wherein said means for enclosing further comprises a cavity in said plunger for providing relief for the push button body extensions, said plunger cooperating with said sleeve, for thrusting the released spring-retained push button through the panel, whereby the push button is removed without damaging the extensions thereon.
Claim 5
Dependent Claim
122 words
An improved apparatus for removing from a panel a spring-retained push button having a retainer spring and a push button body with extensions thereon, said apparatus having a hollow sleeve for enclosing the push button body and compressing the retainer spring, releasing the push button for removal from the panel; and a plunger having a surface for engaging the push button, said plunger being slidably contained within said sleeve and cooperating with said sleeve for thrusting the released push button from the panel, wherein the improvement comprises means on said plunger for providing relief for the push button body extensions upon engaging of the push button by said plunger, permitting the push button to be removed without damage to the extensions thereon.
Claim 6
Dependent Claim
122 words
An improved apparatus for removing from a panel a spring-retained push button having a retainer spring and a push button body with extensions thereon, said apparatus having a hollow sleeve for enclosing the push button body and compressing the retainer spring, releasing the push button for removal from the panel; and a plunger having a surface for engaging the push button, said plunger being slidably contained within said sleeve and cooperating with said sleeve for thrusting the released push button from the panel, wherein the improvement comprises means on said plunger for providing relief for the push button body extensions upon engaging of the push button by said plunger, permitting the push button to be removed without damage to the extensions thereon.
Claim 7
Dependent Claim
42 words
The apparatus of claim 4, wherein said means for providing relief further comprises a cavity on the push button engaging surface of said plunger for providing relief for the push button body extensions upon engaging of the push button by said plunger.
References Cited (Backward Citations)
US3135043A
Cited
US3121282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-08 | 1979-03-10 | 1979-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-08 | 1983-03-10 | 1983-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-08 | 1987-03-10 | 1987-09-09 | $7700.00 | Window Closed / Lapsed |