Patent US3854364A successfully refreshed from Google Patents.
US3854364A
Expired / Lapsed
US
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Saw blade
Assignee: Sandvik AB
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Filing: 1973-11-23
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Granted: 1974-12-17
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Expires: 1993-11-23
Abstract
Abstract For suppressing vibrational noise from a circular metal saw blade, the base plate of the saw is provided with a concentrically disposed covering plate. The covering plate has an annular indentation that is received in a complementary recess formed in the base plate.
Inventors
- 👤 E Sundstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:41
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/02; B23D61/025; B23D61/026; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9319; Y10T83/9372; Y10T83/9403
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
57 words
In a circular metal saw blade including a base plate having cutting elements at its peripheral edge and a covering plate concentrically assembled to said base plate by gluing, the improvement according to which circularly extending indentations are imparted to the covering plate, each said indentation extending concentrically with respect to the center of said plate assembly.
Claim 2
Dependent Claim
57 words
In a circular metal saw blade including a base plate having cutting elements at its peripheral edge and a covering plate concentrically assembled to said base plate by gluing, the improvement according to which circularly extending indentations are imparted to the covering plate, each said indentation extending concentrically with respect to the center of said plate assembly.
Claim 3
Dependent Claim
30 words
A saw blade according to claim 1, in which the base plate is provided with annular recesses adapted for partial reception of said circularly extending indentations in said covering plate.
Claim 4
Dependent Claim
32 words
A saw blade according to claim 1, in which the covering plate is provided with circularly and concentrically extending recesses the edges of whicH are indented into contact with the base plate.
Claim 5
Dependent Claim
41 words
A saw blade according to claim 1, in which the base plate is provided with a circular recess adapted to receive the covering plate so that the exterior surface of the latter is arranged flush with that of the base plate.
Claim 6
Dependent Claim
24 words
A saw blade according to claim 1, in which the thickness of the covering plate is considerably smaller than that of the base plate.
Claim 7
Dependent Claim
22 words
A saw blade according to claim 5, in which the ratio between the thickness of covering plate and base plate is 1:10.
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) | 1977-12-16 | 1978-06-17 | 1978-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-16 | 1982-06-17 | 1982-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-16 | 1986-06-17 | 1986-12-17 | $7700.00 | Window Closed / Lapsed |