US3812752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw for cold metals
Assignee: TRENNJAEGER MASCHINEN U SAEGEF
•
Filing: 1971-09-01
•
Granted: 1974-05-28
•
Expires: 1991-09-01
Abstract
Abstract Improved cold saw for metals utilizing a vertically displaceable circular saw blade and transmission therefor whereby the saw blade is positioned between guide means on each side of the major plane thereof. Each guide means has four points of contact with the major surface of the saw directed toward it consisting of two above and two below the saw axis and two in front and two behind the saw axis.
Inventors
- 👤 L Jaegers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:19
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/005; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7734; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9401; Y10T83/9403
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
153 words
Saw for cold metals comprising a circular sawblade, drive means for said sawblade, a housing for said means, frictional means for guiding and displacing said sawblade along a vertical plane and guiding means for each side of said circular sawblade, wherein said guiding means contacts each of the opposite sides of the circular sawblade at four points distributed over the periphery of the sawblade in such a manner that two are above and two below the sawblade axis and two are in front and two are behind the sawblade axis, and wherein each guiding means consists of two guide plates, the guide plates which lie on the side of the sawblade that is averted from said housing being fastened to a holding plate, wherein one end of said holding plate is fastened to said housing by a hinge and another end of said holding plate is adapted to be locked to said housing.
Claim 2
Dependent Claim
153 words
Saw for cold metals comprising a circular sawblade, drive means for said sawblade, a housing for said means, frictional means for guiding and displacing said sawblade along a vertical plane and guiding means for each side of said circular sawblade, wherein said guiding means contacts each of the opposite sides of the circular sawblade at four points distributed over the periphery of the sawblade in such a manner that two are above and two below the sawblade axis and two are in front and two are behind the sawblade axis, and wherein each guiding means consists of two guide plates, the guide plates which lie on the side of the sawblade that is averted from said housing being fastened to a holding plate, wherein one end of said holding plate is fastened to said housing by a hinge and another end of said holding plate is adapted to be locked to said housing.
Claim 3
Dependent Claim
28 words
A saw according to claim 1 wherein each of said ends of said holding plate is adjustable in a direction vertical to the face of the saw blade.
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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |