Patent US4248115A successfully refreshed from Google Patents.
US4248115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding table assembly - tilting arbor saws
Assignee: Delta International Machinery Corp
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Filing: 1979-09-04
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Granted: 1981-02-03
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Expires: 1999-09-04
Abstract
Abstract An extension assembly for handling large workpieces, such as wall panels, doors, or the like. It is designed to be attached to existing saws as well as new ones, and minimizes the frictional resistance of moving a workpiece across a saw table.
Inventors
- 👤 Joseph F. Brodbeck
- 👤 Raymond Kazusky, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:18
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/72; B23D; B23D47/00; B23D47/02; B23D47/025; B27; B27B; B27B5/00; B27B5/16; B27B5/22; B27B5/222; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6608; Y10T83/6632; Y10T83/768; Y10T83/7684; Y10T83/773
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
139 words
In combination with a power saw of the type having a generally rectangular flat-topped horizontal worktable with a cutting blade projecting through an opening therein, said worktable being mounted upon a rigid cabinet-like base, an extension assembly for handling long workpieces attached to one side of said worktable; said extension assembly comprising, guide rail mounted to said worktable by a plurality of brackets, an extended work supporting member slidable along said guide rail parallel to the plane of said cutting blade, guide means adjustably positioned on said work supporting member for engaging an edge of said long workpiece, clamp means for retaining said workpiece in fixed relation to said guide means and said work supporting member during the cutting operation and a pivot arm sub-assembly for supporting the end of said work supporting member remote from said guide rail.
Claim 2
Dependent Claim
139 words
In combination with a power saw of the type having a generally rectangular flat-topped horizontal worktable with a cutting blade projecting through an opening therein, said worktable being mounted upon a rigid cabinet-like base, an extension assembly for handling long workpieces attached to one side of said worktable; said extension assembly comprising, guide rail mounted to said worktable by a plurality of brackets, an extended work supporting member slidable along said guide rail parallel to the plane of said cutting blade, guide means adjustably positioned on said work supporting member for engaging an edge of said long workpiece, clamp means for retaining said workpiece in fixed relation to said guide means and said work supporting member during the cutting operation and a pivot arm sub-assembly for supporting the end of said work supporting member remote from said guide rail.
Claim 3
Dependent Claim
69 words
An extension assembly for attachment to a tilting arbor table saw comprising, a guide rail attachable to one side of the table of said saw by a plurality of adjustable bracket members, a work supporting member mounted on said guide rail for longitudinal sliding movement therealong and a pivot arm sub-assembly attachable to the cabinet for supporting the end of said work supporting member remote from said guide rail.
Claim 4
Dependent Claim
69 words
An extension assembly for attachment to a tilting arbor table saw comprising, a guide rail attachable to one side of the table of said saw by a plurality of adjustable bracket members, a work supporting member mounted on said guide rail for longitudinal sliding movement therealong and a pivot arm sub-assembly attachable to the cabinet for supporting the end of said work supporting member remote from said guide rail.
Claim 5
Dependent Claim
20 words
The extension assembly of claim 2 wherein a guide means is selectively and adjustably positionable on said work supporting member.
Claim 6
Dependent Claim
17 words
The extension assembly of claim 3 wherein a clamp means is selectively positionable along said guide means.
Claim 7
Dependent Claim
17 words
The extension assembly of claim 3 wherein a stop means is selectively positionable along said guide means.
Claim 8
Dependent Claim
30 words
The extension assembly of claim 2, wherein said pivot arm sub-assembly comprises a bracket attachable to said cabinet, pivotally mounting an articulated support arm which supports said work supporting member.
Claim 9
Dependent Claim
23 words
The extension assembly of claim 6, wherein said pivotal mounting between said bracket and said support arm, is adjustable about a vertical axis.
Claim 10
Dependent Claim
31 words
The extension assembly of claim 2, wherein said work supporting member includes a telescoping, horizontally extensible member mounted in said end of said work supporting member remote from said guide rail.
Claim 11
Dependent Claim
17 words
The extension assembly of claim 2, wherein said guide rail includes a supporting leg on one end.
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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) | 1984-02-03 | 1984-08-04 | 1985-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-03 | 1988-08-04 | 1989-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-03 | 1992-08-04 | 1993-02-03 | $7700.00 | Window Closed / Lapsed |