Patent US3581784A successfully refreshed from Google Patents.
US3581784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw table insert
Assignee: Delta International Machinery Corp
•
Filing: 1969-11-21
•
Granted: 1971-06-01
•
Expires: 1989-11-21
Abstract
Abstract Table saw blade opening closure plate means providing means for levelling adjustment from above the work table by the operator standing in operating position.
Inventors
- 👤 Edward C Warrick
- 👤 Emerson Berends
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:16
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/06; B23D45/068; B23D47/00; B23D47/02; B23D47/025; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7684; Y10T83/7722; Y10T83/7726
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
In a motorized table saw including a work support table having a through blade opening therein and a saw blade mounted for raising and lowering movement through said blade opening a table insert and mount for closing said opening closely around said saw blade comprising through tapped support ears extending into said blade opening at spaced intervals along the underside thereof an insert plate shaped to fit said blade opening and having a blade passage therethrough dimensioned to closely but freely pass the blade side faces and respective countersunk screw openings spaced around its edges in position to mate with the tapped openings of said ears, mounting bushings of deformable elastomeric material interposed between said ears and the opposing underside areas of said insert plate, and securing screws passing downwardly through said countersunk screw openings and said bushings into threaded engagement with said tapped support ears, said securing screws when threaded into said ears being adapted to compress said respective bushings to varying degrees necessary to yieldingly secure said insert plate in said table opening with its exposed upper face level with the work surface of said table.
Claim 2
Dependent Claim
188 words
In a motorized table saw including a work support table having a through blade opening therein and a saw blade mounted for raising and lowering movement through said blade opening a table insert and mount for closing said opening closely around said saw blade comprising through tapped support ears extending into said blade opening at spaced intervals along the underside thereof an insert plate shaped to fit said blade opening and having a blade passage therethrough dimensioned to closely but freely pass the blade side faces and respective countersunk screw openings spaced around its edges in position to mate with the tapped openings of said ears, mounting bushings of deformable elastomeric material interposed between said ears and the opposing underside areas of said insert plate, and securing screws passing downwardly through said countersunk screw openings and said bushings into threaded engagement with said tapped support ears, said securing screws when threaded into said ears being adapted to compress said respective bushings to varying degrees necessary to yieldingly secure said insert plate in said table opening with its exposed upper face level with the work surface of said table.
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |