Patent US4063358A successfully refreshed from Google Patents.
US4063358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guard for a chain saw used for carving
Assignee: Individual
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Filing: 1977-03-09
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Granted: 1977-12-20
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Expires: 1997-03-09
Abstract
Abstract A standard chain saw of small construction having a guide bar approximately fourteen inches in length, preferably driven by an electric motor and provided with an adjustable guard which covers substantially all of the chain except for the tip end. The end portion of the chain is used for carving statues and engraving with a sunken design in intaglio.
Inventors
- 👤 Gerald J. Hodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:36
CPC Classifications
B; B27; B27G; B27G19/00; B27G19/003
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
94 words
In a chain saw guard, a support, a motor on one side of said support, a guide bar and chain on the opposite side of said support, a guard embodying a first rectangular element secured to said support for encompassing said guide bar and chain, a second rectangular element supported on the forward end of said first rectangular element, and means for fixedly adjusting said second rectangular element in a fixed position on said first rectangular element to expose a selected amount of the tip portion of the guide bar and chain for carving.
Claim 2
Dependent Claim
94 words
In a chain saw guard, a support, a motor on one side of said support, a guide bar and chain on the opposite side of said support, a guard embodying a first rectangular element secured to said support for encompassing said guide bar and chain, a second rectangular element supported on the forward end of said first rectangular element, and means for fixedly adjusting said second rectangular element in a fixed position on said first rectangular element to expose a selected amount of the tip portion of the guide bar and chain for carving.
Claim 3
Dependent Claim
34 words
In a chain saw guard as recited in claim 1, wherein said support has a clutch cover secured thereto, and means for supporting one end of said first rectangular element on said clutch cover.
Claim 4
Dependent Claim
58 words
In a chain saw guard as recited in claim 2, wherein said clutch cover has a plurality of apertures which are countersunk to provide holes of substantial depth, said first rectangular element having apertures aligned with the apertures of said clutch cover, and means for securing said first rectangular element to said clutch cover through said aligned apertures.
Claim 5
Dependent Claim
52 words
In a chain saw guard as recited in claim 3, wherein said securing means embodies plugs for the apertures in said clutch cover, each plug having a central aperture, and screws extending through the apertures in the guard and into the apertures of the plugs for securing said guard on said cover.
Claim 6
Dependent Claim
72 words
In a chain saw guard as recited in claim 1, wherein the guard embodies two telescoped sections and wherein said guide bar for supporting the chain has an aperture therethrough near the forward end, a bolt through aligned slots in the opposite walls of the outer guard section which permits said outer guard section to be adjusted relative to the guide bar and chain to expose the tip thereof a predetermined amount.
Claim 7
Dependent Claim
39 words
In a chain saw guard as recited in claim 5, wherein a handle extends outwardly from a guard through which the bolt extends to provide a protected handhold by which the end of the saw is supported and guided.
Claim 8
Dependent Claim
36 words
In a chain saw guard as recited in claim 6, wherein said guard embodies a bottom horizontal web which is joined at the front and side by vertical webs to protect the hand of the operator.
Claim 9
Dependent Claim
46 words
In a chain saw guard as recited in claim 5, wherein a pair of bushings is provided on the bolt, one on each side of the guide bar, and a nut on the end of the bolt for clamping the endmost guard section in adjusted position.
Claim 10
Dependent Claim
40 words
In a chain saw guard as recited in claim 8, wherein the hand-protecting guard has a flat rib on the inner face which rides within the slot in the adjacent wall of the outer guard section when adjusted relative thereto.
Claim 11
Dependent Claim
36 words
In a chain saw guard as recited in claim 5, wherein the guard having the handle has a base with an aperture shaped like the bolt head which extends thereinto to prevent the bolt from turning.
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) | 1980-12-19 | 1981-06-20 | 1981-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-19 | 1985-06-20 | 1985-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-19 | 1989-06-20 | 1989-12-20 | $7700.00 | Window Closed / Lapsed |