US3584616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truing mechanism for grinding wheels
Assignee: Landis Tool Co
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Filing: 1968-08-08
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Granted: 1971-06-15
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Expires: 1988-08-08
Abstract
Abstract This disclosure relates to a truing mechanism for grinding wheels. A principal feature of the truing mechanism is that the truing roller is in the form of a relatively thin wheel having an axis of rotation parallel to the axis of rotation of the grinding wheel being trued. As a result, it is possible to rotate the truing roller during a first pass across the grinding wheel to perform a rough truing operation and to hold the truing roller stationary during a return pass, even across the rounded corners of the grinding wheel, to perform a light and highly desirable fine finish truing operation.
Inventors
- 👤 William P Flohr Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:30
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/06; B24B53/08; B24B53/081
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
132 words
A mechanism for truing a grinding wheel having a peripheral grinding face merging with rounded corners, said mechanism comprising a truing roller, means for moving said truing roller along a path corresponding to the profile of the grinding face and corners first in one direction and then in return, means for rotation said truing roller during the movement thereof along said path in said one direction to thereby perform a relatively heavy initial truing operation, and means for stopping said truing roller at the end of movement in said one direction and for holding said truing roller against rotation during said return movement thereof along said path including said grinding wheel corners to thereby perform a relatively light final truing operation on both the grinding face and corners of the grinding wheel.
Claim 2
Dependent Claim
132 words
A mechanism for truing a grinding wheel having a peripheral grinding face merging with rounded corners, said mechanism comprising a truing roller, means for moving said truing roller along a path corresponding to the profile of the grinding face and corners first in one direction and then in return, means for rotation said truing roller during the movement thereof along said path in said one direction to thereby perform a relatively heavy initial truing operation, and means for stopping said truing roller at the end of movement in said one direction and for holding said truing roller against rotation during said return movement thereof along said path including said grinding wheel corners to thereby perform a relatively light final truing operation on both the grinding face and corners of the grinding wheel.
Claim 3
Dependent Claim
26 words
The truing mechanism of claim 1 wherein said truing roller has an axis of rotation disposed parallel to the axis of rotation of the grinding wheel.
Claim 4
Dependent Claim
41 words
The truing mechanism of claim 1 wherein said truing roller has an axis of rotation disposed parallel to the axis of rotation of the grinding wheel, and said truing roller is in the form of a thin wheel having rounded corners.
Claim 5
Dependent Claim
21 words
The truing mechanism of claim 1 wherein said truing roller is in the form of a thin wheel having rounded corners.
Claim 6
Dependent Claim
37 words
The truing mechanism of claim 1 wherein said means for stopping and holding said truing roller against rotation includes a brake for both stopping the rotation of said truing roller and holding said truing roller against rotation.
Claim 7
Dependent Claim
47 words
The truing mechanism of claim 1 wherein said means for moving said truing roller along said path includes a fixed profile and a follower having nonrotational sliding contact with said profile, and said follower being of a contour corresponding to the face contour of said truing roller.
Claim 8
Independent Claim
97 words
A method of truing a grinding wheel having a peripheral grinding face merging into rounded corners, said method comprising the steps of subjecting the grinding wheel to a rotatable truing roller and rough truing the peripheral face and rounded corners thereof while moving the truing roller in one traverse direction, stopping the rotation of the truing roller of said movement and holding said roller against rotation and when subjecting the grinding wheel to the nonrotating truing roller and lightly truing the peripheral face and rounded corners thereof while moving the truing roller in a reverse traverse direction.
Claim 9
Independent Claim
97 words
A method of truing a grinding wheel having a peripheral grinding face merging into rounded corners, said method comprising the steps of subjecting the grinding wheel to a rotatable truing roller and rough truing the peripheral face and rounded corners thereof while moving the truing roller in one traverse direction, stopping the rotation of the truing roller of said movement and holding said roller against rotation and when subjecting the grinding wheel to the nonrotating truing roller and lightly truing the peripheral face and rounded corners thereof while moving the truing roller in a reverse traverse direction.
Claim 10
Dependent Claim
24 words
The method of claim 7 wherein said truing roller is rotated about an axis parallel to the grinding wheel axis during the rough truing.
Claim 11
Dependent Claim
20 words
The truing mechanism of claim 1 wherein said truing roller is in the form of a wheel having rounded corners.
Claim 12
Dependent Claim
181 words
A mechanism for truing a grinding wheel having a peripheral grinding face merging with rounded corners, said mechanism comprising: a. a diamond impregnated truing roller rotatable about an axis parallel to the axis of said grinding wheel, b. means for moving said truing roller axially along a path corresponding to the profile of the grinding face and corners, first in one direction and then in the return direction, c. a profile bar, d. a follower in contact with said profile bar and movable with said truing roller for guiding said roller along said path, e. means for rotating said truing roller during the movement thereof along said path in said one direction to thereby perform a relatively heavy initial truing operation, f. and means for stopping said truing roller at the end of movement in said one direction and for holding said truing roller against rotation during movement thereof in said return direction along said path including said grinding wheel corners to thereby perform a relatively light finish truing operation on both the grinding face and corners of said grinding wheel.
Claim 13
Dependent Claim
181 words
A mechanism for truing a grinding wheel having a peripheral grinding face merging with rounded corners, said mechanism comprising: a. a diamond impregnated truing roller rotatable about an axis parallel to the axis of said grinding wheel, b. means for moving said truing roller axially along a path corresponding to the profile of the grinding face and corners, first in one direction and then in the return direction, c. a profile bar, d. a follower in contact with said profile bar and movable with said truing roller for guiding said roller along said path, e. means for rotating said truing roller during the movement thereof along said path in said one direction to thereby perform a relatively heavy initial truing operation, f. and means for stopping said truing roller at the end of movement in said one direction and for holding said truing roller against rotation during movement thereof in said return direction along said path including said grinding wheel corners to thereby perform a relatively light finish truing operation on both the grinding face and corners of said grinding wheel.
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |