US4679360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamellar end grinding wheel
Assignee: Individual
•
Filing: 1986-05-22
•
Granted: 1987-07-14
•
Expires: 2006-05-22
Abstract
Abstract A back plate for a lamellar end grinding wheel is described, in which grinding flaps overlap one another in tile-like manner along the circumferential zone of a circular disc-like back plate. The arrangement is characterized in that the back plate is constructed as a metal plate, to which is fixed a supporting plate and that the grinding flaps are secured between these two plates.
Inventors
- 👤 Gerd Eisenblatter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:40
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/14; B24D13/16
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
149 words
Lamellar end grinding wheel comprising a circular disc-shaped flexible back plate, grinding flaps arranged along a circumferential zone of said back plate so as to overlap one another in tile-like manner and being fixed there, said grinding flaps being passed through radial slots formed in said circumferential zone, said back plate being constructed as a sheet metal plate, a supporting plate arranged on the side of said back plate remote from a working surface, said supporting plate being firmly connected to said back plate at least on the outer circumference of said back plate, rear ends of said grinding flaps being fixed between said back plate and said supporting plate, and a circumferential edge of said back plate being bent over towards a side remote from said working surface to form a hook-like circumferential flange in radial section and said supporting plate being fixed under said hook-like circumferential flange.
Claim 2
Dependent Claim
149 words
Lamellar end grinding wheel comprising a circular disc-shaped flexible back plate, grinding flaps arranged along a circumferential zone of said back plate so as to overlap one another in tile-like manner and being fixed there, said grinding flaps being passed through radial slots formed in said circumferential zone, said back plate being constructed as a sheet metal plate, a supporting plate arranged on the side of said back plate remote from a working surface, said supporting plate being firmly connected to said back plate at least on the outer circumference of said back plate, rear ends of said grinding flaps being fixed between said back plate and said supporting plate, and a circumferential edge of said back plate being bent over towards a side remote from said working surface to form a hook-like circumferential flange in radial section and said supporting plate being fixed under said hook-like circumferential flange.
Claim 3
Dependent Claim
44 words
Lamellar end grinding wheel according to claim 1, wherein at least one of a side of said back plate and said supporting plate associated with said rear ends of said grinding flaps are provided with projecting stamping points for engaging in said grinding flaps.
Claim 4
Dependent Claim
17 words
Lamellar end grinding wheel according to claim 2, wherein said stamping points are constructed as triangular barbs.
Claim 5
Dependent Claim
25 words
Lamellar end grinding wheel according to claim 1, wherein said suporting plate has radial fingers, which are arranged in sloping manner in a circumferential direction.
Claim 6
Dependent Claim
29 words
Lamellar end grinding wheel according to claim 4, wherein said grinding flaps have at least one slot-like recess in their rear regions which are passed through said radial slots.
Claim 7
Dependent Claim
42 words
Lamellar end grinding wheel according to claim 5, wherein said rear region of said grinding flaps is provided with projecting arms, said projecting arms engaging end faces of associated slots and extend over and beyond the longitudinal extension of the associated slot.
Claim 8
Dependent Claim
34 words
Lamellar end grinding wheel according to claim 5, wherein a flat, arcuate strip is located between said back plate and said supporting plate and is passed through recesses defined by several juxtaposed grinding flaps.
Claim 9
Dependent Claim
17 words
Lamellar end grinding wheel according to claim 1, wherein said supporting plate is made from sheet metal.
Claim 10
Dependent Claim
24 words
Lamellar end grinding wheel according to claim 1, wherein each of said rear ends of said grinding flaps is provided with a thickened portion.
Claim 11
Dependent Claim
27 words
Lamellar end grinding wheel according to claim 9, wherein said thickened portion comprises a mounted clip extending substantially over the entire width of a particular grinding flap.
Claim 12
Dependent Claim
28 words
Lamellar end grinding wheel according to claim 9, wherein said thickened portion is formed by rivets, which are fitted along the rear end of a particular grinding flap.
Claim 13
Dependent Claim
25 words
Lamellar end grinding wheel according to claim 9, wherein said thickened portion is formed by an adhesive bead, which is applied to said grinding flaps.
Claim 14
Dependent Claim
101 words
Lamellar end grinding wheel comprising a circular disc-shaped flexible back plate, grinding flaps arranged along a circumferential zone of said back plate so as to overlap one another in tile-like manner and being fixed there, said grinding flaps being passed through radial slots formed in said circumferential zone, a supporting plate clamping said grinding flaps on a back side of said back plate, and a circumferential edge of said back plate bent over towards a side remote from a working surface to form a hook-like circumferential flange in radial section and said supporting plate being fixed under said hook-like circumferential flange.
Claim 15
Dependent Claim
101 words
Lamellar end grinding wheel comprising a circular disc-shaped flexible back plate, grinding flaps arranged along a circumferential zone of said back plate so as to overlap one another in tile-like manner and being fixed there, said grinding flaps being passed through radial slots formed in said circumferential zone, a supporting plate clamping said grinding flaps on a back side of said back plate, and a circumferential edge of said back plate bent over towards a side remote from a working surface to form a hook-like circumferential flange in radial section and said supporting plate being fixed under said hook-like circumferential flange.
Claim 16
Dependent Claim
21 words
Lamellar end grinding wheel according to claim 13, wherein said supporting plate and said back plate are made from sheet metal.
Claim 17
Dependent Claim
19 words
Lamellar end grinding wheel according to claim 13, wherein said back plate and said supporting plate are welded together.
Claim 18
Dependent Claim
24 words
Lamellar end grinding wheel according to claim 13, wherein said back plate and said supporting plate are connected toward each other by spot welding.
Claim 19
Dependent Claim
21 words
Lamellar end grinding wheel according to claim 13, wherein said back plate and said supporting plate are flanged to each other.
Claim 20
Dependent Claim
21 words
Lamellar end grinding wheel according to claim 13, wherein said back plate and said supporting plate are bonded to each other.
Claim 21
Dependent Claim
23 words
Lamellar end grinding wheel according to claim 13, wherein said back plate and said supporting plate are connected to each other by riveting.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-07-13 | 1991-01-12 | 1991-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-13 | 1995-01-12 | 1995-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-13 | 1999-01-12 | 1999-07-14 | $7700.00 | Window Closed / Lapsed |