Patent DE627970C successfully refreshed from Google Patents.
US4704929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for setting screw
Assignee: Nifco Inc
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Filing: 1985-11-12
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Granted: 1987-11-10
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Expires: 2005-11-12
Abstract
Abstract A device for setting a screw comprises a driver holder for receiving an end of a driver, a screw holder integral with the driver holder for retaining a head of a screw, and a pair of elastic pawls projecting inwardly from the peripheral wall of the driver holder for clamping the driver end, whereby the screw can be temporarily coupled to the driver end via the device.
Inventors
- 👤 Hiroshi Osada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:02
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/10; B25B23/101
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
162 words
A device for setting a screw, comprising a cylindrical driver holder for holding an end of an inserted driver, a screw holder integral with the lower end of said driver holder for holding a head of a screw against vertical movement after said screw is fitted sidewise therein, and at least one elastic pawl projecting into the bore of said cylindrical driver holder for temporarily agressively retaining the inserted driver, said screw holder comprising a partially enclosing, axially extending wall having a radially opening slot therein for receiving sidewise insertion of the head of the screw, and a radially extending end wall remote from said driver holder, said end wall having a central hole for receiving a threaded portion of said screw and a peripheral guide notch opening radially through said end wall and communicating with said hole for sidewise insertion of said threaded portion through said notch into said hole to enable sidewise fit of the screw within said screw holder.
Claim 2
Independent Claim
162 words
A device for setting a screw, comprising a cylindrical driver holder for holding an end of an inserted driver, a screw holder integral with the lower end of said driver holder for holding a head of a screw against vertical movement after said screw is fitted sidewise therein, and at least one elastic pawl projecting into the bore of said cylindrical driver holder for temporarily agressively retaining the inserted driver, said screw holder comprising a partially enclosing, axially extending wall having a radially opening slot therein for receiving sidewise insertion of the head of the screw, and a radially extending end wall remote from said driver holder, said end wall having a central hole for receiving a threaded portion of said screw and a peripheral guide notch opening radially through said end wall and communicating with said hole for sidewise insertion of said threaded portion through said notch into said hole to enable sidewise fit of the screw within said screw holder.
Claim 3
Dependent Claim
23 words
A device for setting a screw according to claim 1, wherein said driver holder has a pair of elastic pawls facing each other.
Claim 4
Dependent Claim
27 words
A device for setting a screw according to claim 1, wherein said guide notch has a sector-like configuration flaring toward said peripheral opening in the end wall.
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) | 1990-11-09 | 1991-05-11 | 1991-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-09 | 1995-05-11 | 1995-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-09 | 1999-05-11 | 1999-11-10 | $7700.00 | Window Closed / Lapsed |