US4139136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nail driver
Assignee: Individual
•
Filing: 1977-07-25
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Granted: 1979-02-13
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Expires: 1997-07-25
Abstract
Abstract A nail driver having a rod that telescopes within a hollow elongated tube. One end of the rod is designed to strike the nails and a weighted handle is attached to the other end. The tube has at least one chamber for holding the nails in position to be struck by the driver, and the chamber has a slot for receiving the nails. There are means for feeding nails through the slot. Preferably there are two such chambers and two such feeding means, one chamber and feeding means adapted for flat headed nails and the other chamber and means adapted for finishing nails. The impacting end of the rod is bifurcated, and one portion is designed to drive finishing nails in one chamber and the other portion is designed to drive flat headed nails in the other chamber. The impacting end of the rod and the chamber are changeable so that the invention may be used to drive a wide variety of nail sizes and types.
Inventors
- 👤 Joseph R. Catalano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:19
CPC Classifications
B; B25; B25C; B25C3/00; B25C3/002; B25C1/00; B25C1/001; B25C1/005
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
125 words
A nail driver comprising a hollow elongated tube having at least one chamber for receiving and holding a nail, a slot formed in the chamber wall parallel to the axis of the chamber for introducing nails into the chamber, a driving rod movable along the axis of said tube and having an impacting end adapted to drive the nail, a weighted handle secured to the end of said rod opposite the impacting end, means independent of the position of said driving rod for mechanically feeding nails into said chamber said means for feeding nails including: at least one spring-loaded magazine adapted for holding a nail clip, and a means for releasing one nail at a time from said magazine through said slot into said chamber.
Claim 2
Dependent Claim
125 words
A nail driver comprising a hollow elongated tube having at least one chamber for receiving and holding a nail, a slot formed in the chamber wall parallel to the axis of the chamber for introducing nails into the chamber, a driving rod movable along the axis of said tube and having an impacting end adapted to drive the nail, a weighted handle secured to the end of said rod opposite the impacting end, means independent of the position of said driving rod for mechanically feeding nails into said chamber said means for feeding nails including: at least one spring-loaded magazine adapted for holding a nail clip, and a means for releasing one nail at a time from said magazine through said slot into said chamber.
Claim 3
Dependent Claim
62 words
A nail driver in accordance with claim 1 wherein: there are two of said chambers and separate means for feeding two different kinds of nails and two magazines, said impacting end of said rod is bifurcated, with one arm adapted to drive a nail in one chamber and the other arm adapted to drive a nail in the other of the chambers.
Claim 4
Dependent Claim
28 words
A nail driver in accordance with claim 2 wherein said impacting end of said rod is removable to enable other impacting ends to be mounted on the rod.
Claim 5
Dependent Claim
179 words
A nail driver comprising: a hollow elongated tube having two chambers for receiving a nail, a driving rod movable along the axis of said tube and having a bifurcated impacting end, a weighted handle secured to the end of said rod opposite the impacting end, said chambers each having a slot formed in the chamber wall parallel to the axis of the chamber for introducing nails in the chamber, means for feeding nails including: two magazines having spring-pressed followers mounted on said tube for receiving clips of two different kinds of nails, separate means for releasing one nail at a time from each of said magazines into its adjoining chamber through its respective slot, said bifurcated impacting end of said rod having one arm adapted to drive a nail in one chamber, and the other arm adapted to drive a nail in the other of the chambers, one of said chambers having a larger cross-section than the other, the impacting ends of the arms of the rod being of different cross-section and corresponding to the cross-sections of the chambers.
Claim 6
Dependent Claim
179 words
A nail driver comprising: a hollow elongated tube having two chambers for receiving a nail, a driving rod movable along the axis of said tube and having a bifurcated impacting end, a weighted handle secured to the end of said rod opposite the impacting end, said chambers each having a slot formed in the chamber wall parallel to the axis of the chamber for introducing nails in the chamber, means for feeding nails including: two magazines having spring-pressed followers mounted on said tube for receiving clips of two different kinds of nails, separate means for releasing one nail at a time from each of said magazines into its adjoining chamber through its respective slot, said bifurcated impacting end of said rod having one arm adapted to drive a nail in one chamber, and the other arm adapted to drive a nail in the other of the chambers, one of said chambers having a larger cross-section than the other, the impacting ends of the arms of the rod being of different cross-section and corresponding to the cross-sections of the chambers.
Claim 7
Dependent Claim
18 words
A nail driver in accordance with claim 4 wherein said releasing means includes a manually operable actuating means.
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) | 1982-02-12 | 1982-08-14 | 1983-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-12 | 1986-08-14 | 1987-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-12 | 1990-08-14 | 1991-02-13 | $7700.00 | Window Closed / Lapsed |