US3680759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staplers
Assignee: Individual
•
Filing: 1970-06-10
•
Granted: 1972-08-01
•
Expires: 1990-06-10
Abstract
Abstract A stapler has a magazine for additional sticks of staples and a manually operable slider for allowing a stick of staples to be transferred from the magazine to the staple carrying arm. The slider has a lateral projection which projects normal to, and below, the stapler cover and enables the slider to be operated without moving the cover to the position in which the magazine is exposed fully. The magazine is mounted pivotally on the arm by means of reentrant bent portions enabling the magazine to be disengaged from the arm after pivotal movement from its operational position. An electromagnetic device for moving the slider and the staple pusher device together automatically may be provided.
Inventors
- 👤 Stefan Eugene Tyszkiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:53
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/16; B25C5/1686; B25C5/02; B25C5/0221; B25C5/0242; B25C5/025; B25C5/1679
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
257 words
A stapler comprising an elongated base, an elongated arm pivoted at one end to one end of said base for carrying a stick of staples, means for urging staples carried on the arm longitudiNally thereof toward a feed slot at the other end of said arm, a knob projecting from the side of said means laterally of the arm, a magazine for carrying sticks of staples in parallel relation to staples carried on the arm, a slider adapted to support staples in said magazine and to assist in maintaining alignment of staples on said arm, the slider being movable longitudinally of said arm so as to allow a stick of staples to drop from the magazine onto the arm, a means pivotally mounting the magazine on said arm so that it can be moved about its pivot to expose the staples on the arm, and a cover hinged to said arm at one end to swing between a closed position surrounding said magazine and an open position away from the arm and magazine to permit said pivotal movement of the magazine, said stapler being further characterized in that the slider includes a projection extending normally from said slider and outwardly from said magazine, said cover further being provided with a flat lower side surface having a recess for cooperation with said projection so that said projection extends therethrough when said slider is positioned correctly beneath said magazine, said recess allowing the projection movement along a path parallel to said arm when the cover is in closed position.
Claim 2
Dependent Claim
257 words
A stapler comprising an elongated base, an elongated arm pivoted at one end to one end of said base for carrying a stick of staples, means for urging staples carried on the arm longitudiNally thereof toward a feed slot at the other end of said arm, a knob projecting from the side of said means laterally of the arm, a magazine for carrying sticks of staples in parallel relation to staples carried on the arm, a slider adapted to support staples in said magazine and to assist in maintaining alignment of staples on said arm, the slider being movable longitudinally of said arm so as to allow a stick of staples to drop from the magazine onto the arm, a means pivotally mounting the magazine on said arm so that it can be moved about its pivot to expose the staples on the arm, and a cover hinged to said arm at one end to swing between a closed position surrounding said magazine and an open position away from the arm and magazine to permit said pivotal movement of the magazine, said stapler being further characterized in that the slider includes a projection extending normally from said slider and outwardly from said magazine, said cover further being provided with a flat lower side surface having a recess for cooperation with said projection so that said projection extends therethrough when said slider is positioned correctly beneath said magazine, said recess allowing the projection movement along a path parallel to said arm when the cover is in closed position.
Claim 3
Dependent Claim
42 words
A stapler according to claim 1, wherein the improvement further comprises the slider defining a notch arranged to be engaged by a knob on the magazine so as to hold the slider in position to close the lower end of the magazine.
Claim 4
Dependent Claim
38 words
A stapler according to claim 1, wherein the improvement further comprises a spring loaded plunger spring urged into engagement with the slider and arranged to urge the slider into position to close the lower end of the magazine.
Claim 5
Dependent Claim
24 words
A stapler according to claim 3, wherein the improvement further comprises the portion of the spring loaded plunger which engages the slider being semi-spherical.
Claim 6
Dependent Claim
38 words
A stapler according to claim 1, wherein the improvement further comprises resilient means interconnecting the knob on the staple-urging means and the outward projection on the slider, so that rearward movement of said slider retracts said pusher simultaneously.
Claim 7
Dependent Claim
63 words
A stapler according to claim 1, wherein the improvement further comprises the magazine being mounted detachably upon the staple-carrying arm by hook means which allow pivotal movement of the magazine relative to the beam and which ensure that the magazine cannot be disengaged from the arm without first being pivoted relative to the arm from its normal closed position relative to the arm.
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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |