US4405073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapler with stapler storage space
Assignee: Individual
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Filing: 1980-09-18
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Granted: 1983-09-20
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Expires: 2000-09-18
Abstract
Abstract A stapler which includes an interchangeable staple magazine and combines desk, wall and hand stapler functions. The stapler utilizes a tensioned coil spring completely enclosed within the magazine to force a load of staples toward a staple driver, the spring varying in length less than fifty percent as the load of staples is exhausted. The self-contained nature of the magazine assembly allows space in the head of the stapler above the magazine assembly to be used for storage of spare staple loads. The head, back and base of the stapler are connected by a sliding spring rail, which allows the stapler to staple publication bindings without sacrificing stability, as well as to separate the head from the rail for use of the head as a wall tacking stapler.
Inventors
- 👤 Juan D. Salleras Escalante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:06
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/16; B25C5/1696; B25C5/02; B25C5/0221; B25C5/0242; B25C5/025; B25C5/1679
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
263 words
A stapler comprising a head, a back, and base; said head containing a staple driver means on an opposite end from the back and an interchangeable removeable staple magazine assembly horizontally slideably removable away from said head and said back through said opposite end, said magazine assembly comprising a magazine, a load pusher slideably mounted to said magazine, and a tensioned coiled spring completely enclosed within said magazine, and tensioned coil spring having a fixed end coupled to said magazine and a moveable end coupled to said load pusher, said load pusher being adapted to urge a load of staples through said magazine assembly to said staple driver means, said coil spring varying less than 50 percent in length as said load of staples is dispensed; said base being spaced apart from and below said head, said base having a staple anvil means directly below said staple driver means within said head; and said back having a spring rail means partially embedded within said back, said spring rail means connecting said back to said head and said spring rail means also connecting said back to said base, and wherein said magazine assembly further comprises a pivot pin fixed vertically within said magazine adjacent said staple driver means, said tensioned coil spring having said fixed end secured to an end of said magazine adjacent said back, said tensioned coil spring traversing the length of said magazine from said back to said pivot pin, said tensioned coil spring passing around said pivot pin and returning along the length of said magazine to said load pusher.
Claim 2
Dependent Claim
263 words
A stapler comprising a head, a back, and base; said head containing a staple driver means on an opposite end from the back and an interchangeable removeable staple magazine assembly horizontally slideably removable away from said head and said back through said opposite end, said magazine assembly comprising a magazine, a load pusher slideably mounted to said magazine, and a tensioned coiled spring completely enclosed within said magazine, and tensioned coil spring having a fixed end coupled to said magazine and a moveable end coupled to said load pusher, said load pusher being adapted to urge a load of staples through said magazine assembly to said staple driver means, said coil spring varying less than 50 percent in length as said load of staples is dispensed; said base being spaced apart from and below said head, said base having a staple anvil means directly below said staple driver means within said head; and said back having a spring rail means partially embedded within said back, said spring rail means connecting said back to said head and said spring rail means also connecting said back to said base, and wherein said magazine assembly further comprises a pivot pin fixed vertically within said magazine adjacent said staple driver means, said tensioned coil spring having said fixed end secured to an end of said magazine adjacent said back, said tensioned coil spring traversing the length of said magazine from said back to said pivot pin, said tensioned coil spring passing around said pivot pin and returning along the length of said magazine to said load pusher.
Claim 3
Dependent Claim
24 words
The apparatus of claim 1, including a stapler reservoir spaced defined within said head for storage of a plurality of said loads of staples.
Claim 4
Dependent Claim
16 words
The apparatus of claim 1 wherein said spring rail means is removeably extended through said head.
Claim 5
Dependent Claim
16 words
The apparatus of claim 3 wherein said spring rail means is removably extended through said base.
Claim 6
Dependent Claim
224 words
A stapler comprising a head, a back and a base; said head containing a staple magazine assembly and a staple driver means, wherein said staple driver means is on an opposite end from the back, said staple magazine assembly being self-contained and horizontally slideably removeable away from said head and said back through said opposite end and interchangeable so that said stapler may accommodate various staple sizes, said staple magazine assembly comprising a magazine, a tensioned coil spring completely enclosed within said magazine, a staple pusher slideably mounted to said magazine, and a vertical pin fixed within said magazine, said spring being connected to said staple pusher and passing around said vertical pin, said tensioned coil spring urging said staple pusher against a load of staples contained within said magazine with a force which varies less than fifty percent as the load of staples is exhausted, said staple driver means being adapted to drive staples from said staple magazine assembly when said head is squeezed against said base, said base being spaced apart and below said head, said base including a staple anvil directly below said staple driver means of said head; said back containing a spring rail means, said spring rail means extending from said back to flexibly connect said head to said back and to flexibly connect said base to said back.
Claim 7
Dependent Claim
224 words
A stapler comprising a head, a back and a base; said head containing a staple magazine assembly and a staple driver means, wherein said staple driver means is on an opposite end from the back, said staple magazine assembly being self-contained and horizontally slideably removeable away from said head and said back through said opposite end and interchangeable so that said stapler may accommodate various staple sizes, said staple magazine assembly comprising a magazine, a tensioned coil spring completely enclosed within said magazine, a staple pusher slideably mounted to said magazine, and a vertical pin fixed within said magazine, said spring being connected to said staple pusher and passing around said vertical pin, said tensioned coil spring urging said staple pusher against a load of staples contained within said magazine with a force which varies less than fifty percent as the load of staples is exhausted, said staple driver means being adapted to drive staples from said staple magazine assembly when said head is squeezed against said base, said base being spaced apart and below said head, said base including a staple anvil directly below said staple driver means of said head; said back containing a spring rail means, said spring rail means extending from said back to flexibly connect said head to said back and to flexibly connect said base to said back.
Claim 8
Dependent Claim
192 words
A stapler comprising a head, a back, and a base; said head containing a self-contained staple magazine assembly and a staple driver, wherein said stapler driver is on an opposite end from the back, said staple magazine assembly being horizontally slideably removeable away from said head and said back through said opposite end and having a staple driver end and a back end; said staple magazine assembly comprising a magazine and a channel member fixed to said magazine, a tensioned coil spring completely enclosed between said magazine and said channel member, and a vertical pivot post fixed within said magazine, said spring having a fixed end and a moving end, said fixed end of said spring being attached to said back end of said staple magazine assembly; said vertical pivot post being adjacent said driver end of said staple magazine assembly, said spring being stretched to and around said vertical pivot post, a load pusher slideably coupled to and removeable with said channel member, said moving end of said spring being attached to said load pusher for pushing a load of staples to said staple driver end of said staple magazine assembly.
Claim 9
Dependent Claim
192 words
A stapler comprising a head, a back, and a base; said head containing a self-contained staple magazine assembly and a staple driver, wherein said stapler driver is on an opposite end from the back, said staple magazine assembly being horizontally slideably removeable away from said head and said back through said opposite end and having a staple driver end and a back end; said staple magazine assembly comprising a magazine and a channel member fixed to said magazine, a tensioned coil spring completely enclosed between said magazine and said channel member, and a vertical pivot post fixed within said magazine, said spring having a fixed end and a moving end, said fixed end of said spring being attached to said back end of said staple magazine assembly; said vertical pivot post being adjacent said driver end of said staple magazine assembly, said spring being stretched to and around said vertical pivot post, a load pusher slideably coupled to and removeable with said channel member, said moving end of said spring being attached to said load pusher for pushing a load of staples to said staple driver end of said staple magazine assembly.
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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) | 1986-09-19 | 1987-03-21 | 1987-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-19 | 1991-03-21 | 1991-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-19 | 1995-03-21 | 1995-09-20 | $7700.00 | Window Closed / Lapsed |