Patent US3782431A successfully refreshed from Google Patents.
US3782431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable router guide
Assignee: Individual
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Filing: 1971-05-11
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Granted: 1974-01-01
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Expires: 1991-05-11
Abstract
Abstract A tool for use by a carpenter and used particularly in cabinet construction work, the tool comprising a guide for a router and wherein the guide is adjustable, the guide being comprised of a pair of parallel guide bars interconnected by transverse extending adjustable bolts for selectively spacing the guide bars apart, and a plurality of transverse extending clamps extending across the guide bars for locating the router position.
Inventors
- 👤 R Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:15
CPC Classifications
B; B27; B27C; B27C5/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
164 words
In an adjustable router guide, the combination of a frame, said frame being comprised of a pair of guide bars in parallel spaced apart relation and interconnected by means of transverse extending bolts, and there being provided a plurality of transverse extending clamps, said clamps each being hooked over the outer side of said guide bars and adjustable securable there along, one of said guide bars is provided with a pair of downward extending drive pins extending transversely there through, each drive pin having a elongated flat along a side engagable by a set screw carried by the guide bar, the upper end of the pin having a enlarged head, and the lower end of said pin being tapered to a point, each clamp comprises an elongated member which at its opposite ends is downwardly turned into a hook for being hooked around the outer side of both said guide bars to secure a router between a pair of clamps and the guide bars.
Claim 2
Dependent Claim
164 words
In an adjustable router guide, the combination of a frame, said frame being comprised of a pair of guide bars in parallel spaced apart relation and interconnected by means of transverse extending bolts, and there being provided a plurality of transverse extending clamps, said clamps each being hooked over the outer side of said guide bars and adjustable securable there along, one of said guide bars is provided with a pair of downward extending drive pins extending transversely there through, each drive pin having a elongated flat along a side engagable by a set screw carried by the guide bar, the upper end of the pin having a enlarged head, and the lower end of said pin being tapered to a point, each clamp comprises an elongated member which at its opposite ends is downwardly turned into a hook for being hooked around the outer side of both said guide bars to secure a router between a pair of clamps and the guide bars.
Claim 3
Dependent Claim
130 words
The combination as set forth in claim 1 wherein each of said guide bars comprises an elongated straight member of square cross sectional configuration, each one of said guide bars having a transverse opening there through near each opposite end thereof, one of said guide bars having said transverse openings being threaded and the other of said guide bars having said transverse openings comprising clearance openings, said clearance openings and said threaded openings being adaptable to receive said transverse extending bolts, each of said guide bolts being provided with an annular V-shaped groove for being engaged by an eye bolt threadingly engaged in one of said guide bars for maintaining engagement of said guide bar along a longitudinal position on said bolt while maintaining said bolt to be freely rotatable.
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |