US3581730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary conjugate dresser
Assignee: DPBG Corp A CORP OF DELAWARE
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Filing: 1969-01-21
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Granted: 1971-06-01
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Expires: 1989-01-21
Abstract
Abstract A conjugate wheel dresser for truing a grinding wheel in order to plunge grind surfaces at angles to each other such as the track and rib of the inner race of roller bearings; the mechanism consisting of at least two motor driven dressing cutters, coated with abrasive grits such as diamonds. The dress is accomplished by one pass of the conjugate dresser.
Inventors
- 👤 Walter A Boyd Jr
- 👤 Leon J Barnard
- 👤 Hugo A Lakso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:13
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/06; B24B53/07
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
124 words
A wheel-dressing apparatus for dressing a grinding wheel, said grinding wheel adapted to simultaneously grind a plurality of surfaces on a workpiece, said wheel-dressing apparatus comprising: a. a baseplate; b. an elevating block; c. means for elevating said block; d. a first dressing cutter mounted on a motor driven spindle on said elevating block; e. a second dressing cutter mounted on a second motor driven spindle on said elevating block; f. said second dressing cutter mounted above and offset substantially normal from said first dressing cutter; Whereby said first dressing cutter contacts said grinding wheel on its front surface thereof, and said second dressing cutter contacts said grinding wheel on its back and edge surfaces as said block is elevated past said grinding wheel.
Claim 2
Dependent Claim
124 words
A wheel-dressing apparatus for dressing a grinding wheel, said grinding wheel adapted to simultaneously grind a plurality of surfaces on a workpiece, said wheel-dressing apparatus comprising: a. a baseplate; b. an elevating block; c. means for elevating said block; d. a first dressing cutter mounted on a motor driven spindle on said elevating block; e. a second dressing cutter mounted on a second motor driven spindle on said elevating block; f. said second dressing cutter mounted above and offset substantially normal from said first dressing cutter; Whereby said first dressing cutter contacts said grinding wheel on its front surface thereof, and said second dressing cutter contacts said grinding wheel on its back and edge surfaces as said block is elevated past said grinding wheel.
Claim 3
Dependent Claim
57 words
A wheel dressing apparatus as defined in claim 1, wherein said first dressing cutter is defined as a track cutter and is tilted vertically, defined by the angle Alpha , so as to provide a crowned surface on said workpiece by means of forming a minimal concave surface on said grinding wheel, defined by the dimension Y.
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 |