US3596415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding wheel hub assembly
Assignee: Individual
•
Filing: 1968-11-06
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Granted: 1971-08-03
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Expires: 1988-11-06
Abstract
Abstract An abrasive grinding disk hub assembly for mounting the disk on a spindle is made up of a nut member which is inserted through a clearance hole in the disk up to a shoulder on the nut and into a socket in a dish-shaped mounting flange on the other side of the disk. When mounted, the nut threads to the spindle which shoulders against a lip on the flange and so as the nut is screwed onto the spindle, the flange acts as a disk spring squeezing the grinding disk between the nut and the flange and a spindle shoulder distorts the lip, tending to lock the nut on the spindle. The nut is of substantially harder material than the flange and may have ridges which cut into the flange socket, thereby fixing the nut in the socket so that it cannot rotate relative thereto.
Inventors
- 👤 Irving James Donahue Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:31
CPC Classifications
B; B24; B24B; B24B45/00
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
190 words
In an abrasive grinding disk hub assembly, means for mounting the disk on a spindle which has a threaded end extending from a shoulder on an axis transverse to the plane of the disk, the disk having a nut clearance hole at the center concentric with said axis, comprising: a nut member including a concentric shoulder flange and boss adapted for insertion through the clearance hole from one side of the disk up to the nut flange, and threadably engaging the spindle end a dish-shaped mOunting flange on the other side on the grinding disk engaging the disk at substantially only the periphery of the flange as a disk spring and including a clearance hole for the spindle to pass through the mounting flange from one side and engage the nut, and a socket into which the nut boss fits from the other side of the mounting flange, the clearance hole and socket in the flange defining a lip which is deformed at assembly tending to lock the nut on the spindle the nut boss and the spindle being made of substantially harder material than the inside of the socket.
Claim 2
Dependent Claim
190 words
In an abrasive grinding disk hub assembly, means for mounting the disk on a spindle which has a threaded end extending from a shoulder on an axis transverse to the plane of the disk, the disk having a nut clearance hole at the center concentric with said axis, comprising: a nut member including a concentric shoulder flange and boss adapted for insertion through the clearance hole from one side of the disk up to the nut flange, and threadably engaging the spindle end a dish-shaped mOunting flange on the other side on the grinding disk engaging the disk at substantially only the periphery of the flange as a disk spring and including a clearance hole for the spindle to pass through the mounting flange from one side and engage the nut, and a socket into which the nut boss fits from the other side of the mounting flange, the clearance hole and socket in the flange defining a lip which is deformed at assembly tending to lock the nut on the spindle the nut boss and the spindle being made of substantially harder material than the inside of the socket.
Claim 3
Dependent Claim
28 words
In an abrasive grinding disk hub assembly as in claim 1 and in which, the nut is made of metal and the mounting flange is made of plastic.
Claim 4
Dependent Claim
37 words
In an abrasive grinding disk hub assembly as in claim 1 and in which, the disk has a depression on the one side concentric with the nut clearance hole and the nut flange fits into the depression.
Claim 5
Dependent Claim
74 words
In an abrasive grinding disk hub assembly, means for mounting the disk as in claim 1 and in which the nut boss has ridges on the outside thereof which are of substantially harder material than the inside of the socket, so that when the boss is forced into the socket at assembly the ridges cut into the walls of the socket, fastening the nut and mounting flange together with the grinding disk in between.
Claim 6
Dependent Claim
25 words
In an abrasive grinding disk hub assembly as in claim 4 and in which, the ridges on the nut boss curve around the axis thereof.
Claim 7
Dependent Claim
29 words
In an abrasive grinding disk hub assembly as in claim 4 and in which, the inside of the socket contains raised portions into which the nut boss ridges cut.
Claim 8
Dependent Claim
29 words
In an abrasive grinding disk hub assembly as in claim 5 and in which, the inside of the socket contains raised portions into which the nut boss ridges cut.
Claim 9
Dependent Claim
39 words
In an abrasive grinding disk hub assembly as in claim 1 and in which, the ridges are helical and side by side and each ridge extends from one end of the nut boss substantially to the nut shoulder flange.
Claim 10
Dependent Claim
34 words
In an abrasive grinding disk hub assembly as in claim 8 and in which, the inside of the socket is substantially hex shaped, whereby the nut boss ridges cut into the socket hex faces.
Claim 11
Dependent Claim
143 words
In an abrasive grinding disk hub assembly for mounting a grinding disk on a threaded spindle, including a mounting flange on one side of the disk, a central clearance hole for the threaded end of the spindle opening into a socket in the mounting flange, the clearance hole and socket being concentric with a central hole in the disk, a nut for threadably engaging the spindle from the other side of the disk to hold the assembly on the spindle comprising, a nut boss and nut flange such that the boss passes through the central hole in the disk and fits forcibly into the mounting flange socket and the nut flange abuts the said other side of the disk, the nut flange being a washer which forcibly fits onto one end of a cylinder, threaded on the inside, which defines the nut boss.
Claim 12
Dependent Claim
143 words
In an abrasive grinding disk hub assembly for mounting a grinding disk on a threaded spindle, including a mounting flange on one side of the disk, a central clearance hole for the threaded end of the spindle opening into a socket in the mounting flange, the clearance hole and socket being concentric with a central hole in the disk, a nut for threadably engaging the spindle from the other side of the disk to hold the assembly on the spindle comprising, a nut boss and nut flange such that the boss passes through the central hole in the disk and fits forcibly into the mounting flange socket and the nut flange abuts the said other side of the disk, the nut flange being a washer which forcibly fits onto one end of a cylinder, threaded on the inside, which defines the nut boss.
Claim 13
Dependent Claim
35 words
In an abrasive grinding disk hub assembly as in claim 10 and in which, one end of the nut boss has ridges on the outside which cut into the washer opening which forcibly fits thereto.
Claim 14
Dependent Claim
40 words
In an abrasive grinding disk hub assembly as in claim 11 and in which, the washer fits easily over the nut boss ridges which cut into the flange socket and forcibly over the ridges which cut into the washer opening.
Claim 15
Dependent Claim
50 words
In an abrasive grinding disk hub assembly as in claim 10 and in which, the nut cylinder has a beveled lip at one end, the inside of the washer is beveled and the beveled lip and washer bevel fit together retaining the washer at one end of the nut cylinder.
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |