US3758125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holding device
Assignee: Individual
•
Filing: 1971-10-21
•
Granted: 1973-09-11
•
Expires: 1991-10-21
Abstract
Abstract A tool holding device mountable on the spindle of a machine tool generally including a tool holder support mountable on the spindle for rotation therewith, the tool holder support having a socket disposed axially when the tool holder support is mounted on the spindle, a tool holder having a protruding portion received within the socket of the tool holder support for mounting the tool holder on the tool holder support, the tool holder having means for mounting a tool thereon, the tool holder and tool holder support having means operatively engageable when the tool holder is mounted on the tool holder support, for transmitting torque therebetween, and the tool holder support and the protruding portion of the tool holder having relatively movable portions provided with conical surface sections engageable in wedging relation when the protruding portion is received within the socket of the tool holder support and the engageable portions are relatively displaced helically to lock said tool holder and tool holder support together.
Inventors
- 👤 D Cornelia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:04
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1078; Y; Y10; Y10S; Y10S279/00; Y10S279/904; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
118 words
A tool holding device mountable on the spindle of a machine tool comprising a tool holder support mountable on said spindle for rotation therewith, a tool holder mountable on said tool holder support, said tool holder having means for mounting a tool thereon, said tool holder and tool holder support having means operatively engageable when said tool holder is mounted on said tool holder support, for transmitting torque therebetween, and said tool holder and tool holder support having relatively movable portions provided with conical surface sections engageable in wedging relation when said tool holder is mounted on said tool holder support and said portions are relatively displaced helically to lock said tool holder and tool holder support together.
Claim 2
Dependent Claim
118 words
A tool holding device mountable on the spindle of a machine tool comprising a tool holder support mountable on said spindle for rotation therewith, a tool holder mountable on said tool holder support, said tool holder having means for mounting a tool thereon, said tool holder and tool holder support having means operatively engageable when said tool holder is mounted on said tool holder support, for transmitting torque therebetween, and said tool holder and tool holder support having relatively movable portions provided with conical surface sections engageable in wedging relation when said tool holder is mounted on said tool holder support and said portions are relatively displaced helically to lock said tool holder and tool holder support together.
Claim 3
Dependent Claim
19 words
A tool holding device according to claim 1 including means for urging said conical surface sections into wedging relation.
Claim 4
Dependent Claim
38 words
A tool holding device according to claim 2 including means connected to one of said tool holder and tool holder support for moving said conical surface sections out of wedging relation, against the action of said urging means.
Claim 5
Dependent Claim
43 words
A tool holding device according to claim 1 wherein one of said portions is threaded onto one of said tool holder and tool holder support whereupon rotational movement of said one portion will provide said relative helical displacement between said conical surface sections.
Claim 6
Dependent Claim
38 words
A tool holding device according to claim 1 wherein said conical surface sections are tapered from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius.
Claim 7
Dependent Claim
24 words
A tool holding device according to claim 1 wherein said conical surface sections comprise a pair of sets of circumferentially spaced conical surface sections.
Claim 8
Dependent Claim
38 words
A tool holding device according to claim 6 wherein said conical surface sections are tapered from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius.
Claim 9
Dependent Claim
22 words
A tool holding device according to claim 1 wherein said torque transmitting means comprises at least one set of engageable radial surfaces.
Claim 10
Dependent Claim
101 words
A tool holding device according to claim 1 wherein one of said portions is threaded onto one of said tool holder and tool holder support whereupon rotational movement of said one portion will provide said relative helical displacement between said conical surface sections, said conical surface sections are tapered from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius, said conical surface sections comprise a pair of sets of circumferentially spaced conical surface sections, and said torque transmitting means comprises at least one set of engageable radial surfaces.
Claim 11
Dependent Claim
49 words
A tool holding device according to claim 9 inCluding means for urging said conical surface sections into wedging relation, and means connected to one of said tool holder and tool holder support for moving said conical surface sections out of wedging relation against the action of said urging means.
Claim 12
Dependent Claim
163 words
A tool holding device mountable on the spindle of a machine tool comprising a tool holder support mountable on said spindle for rotation therewith, said tool holder support having a socket disposed axially when said tool holder support is mounted on said spindle, a tool holder having a protruding portion received within the socket of said tool holder support for mounting said tool holder on said tool holder support, said tool holder having means for mounting a tool thereon, said tool holder and tool holder support having means operatively engageable when said tool holder is mounted on said tool holder support, for transmitting torque therebetween, and said tool holder support and the protruding portion of said tool holder having relatively movable portions provided with conical surface sections engageable in wedging relation when said protruding portion is received within the socket of said tool holder support and said engageable portions are relatively displaced helically to lock said tool holder and tool holder support together.
Claim 13
Dependent Claim
163 words
A tool holding device mountable on the spindle of a machine tool comprising a tool holder support mountable on said spindle for rotation therewith, said tool holder support having a socket disposed axially when said tool holder support is mounted on said spindle, a tool holder having a protruding portion received within the socket of said tool holder support for mounting said tool holder on said tool holder support, said tool holder having means for mounting a tool thereon, said tool holder and tool holder support having means operatively engageable when said tool holder is mounted on said tool holder support, for transmitting torque therebetween, and said tool holder support and the protruding portion of said tool holder having relatively movable portions provided with conical surface sections engageable in wedging relation when said protruding portion is received within the socket of said tool holder support and said engageable portions are relatively displaced helically to lock said tool holder and tool holder support together.
Claim 14
Dependent Claim
13 words
A tool holder device according to claim 11 wherein said socket is tapered.
Claim 15
Dependent Claim
19 words
A tool holder device according to claim 11 including means for urging said conical surface sections into wedging relation.
Claim 16
Dependent Claim
38 words
A tool holder device according to claim 13 including means connected to one of said tool holder and tool holder support for moving said conical surface sections out of wedging relation, against the action of said urging means.
Claim 17
Dependent Claim
45 words
A tool holder device according to claim 11 wherein one of said relatively movable portions is threaded onto one of said tool holder and tool holder support whereupon rotational movement of said one portion will provide said relative helical displacement between said conical surface sections.
Claim 18
Dependent Claim
38 words
A tool holding device according to claim 11 wherein said conical surface sections are inclined from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius.
Claim 19
Dependent Claim
24 words
A tool holding device according to claim 11 wherein said conical surface sections comprise a pair of sets of circumferentially spaced conical surface sections.
Claim 20
Dependent Claim
38 words
A tool holding device according to claim 17 wherein said conical surface sections are tapered from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius.
Claim 21
Dependent Claim
22 words
A tool holding device according to claim 11 wherein said torque transmitting means comprises at least one set of engageable radial surfaces.
Claim 22
Dependent Claim
102 words
A tool holding device according to claim 11 wherein one of said engageable portions is threaded onto one of said tool holder and tool holder support whereupon rotational movement of said one portion will provide said relative helical displacement between said conical surface sections, said conical surface sections are tapered from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius, said conical surface sections comprise a pair of sets of circumferentially spaced conical surface sections, and said torque transmitting means comprises at least one set of engageable radial surfaces.
Claim 23
Dependent Claim
185 words
A tool holding device mountable on the spindle of a machine tool comprising a tool holder support mountable on said spindle for rotation therewith, said tool holder support having a socket disposed axially when said tool holder support is mounted on said spindle, a locking ring threadedly mounted in said socket, a tool holder having a protruding portion received within the socket of said tool holder support, through the opening of said locking ring, for mounting said tool holder in said tooL holder support, said tool holder having means for mounting a tool thereon, said tool holder and tool holder support having means operatively engageable when said tool holder is mounted on said tool holder support, for transmitting torque therebetween, and said locking ring and said protruding portion of said tool holder having conical surface sections engageable in wedging relation when said protruding portion is received within the socket of said tool holder support, through the opening of said locking ring, and said locking ring is rotated to relatively displace said conical surface sections helically, to lock said tool holder and tool holder support together.
Claim 24
Dependent Claim
185 words
A tool holding device mountable on the spindle of a machine tool comprising a tool holder support mountable on said spindle for rotation therewith, said tool holder support having a socket disposed axially when said tool holder support is mounted on said spindle, a locking ring threadedly mounted in said socket, a tool holder having a protruding portion received within the socket of said tool holder support, through the opening of said locking ring, for mounting said tool holder in said tooL holder support, said tool holder having means for mounting a tool thereon, said tool holder and tool holder support having means operatively engageable when said tool holder is mounted on said tool holder support, for transmitting torque therebetween, and said locking ring and said protruding portion of said tool holder having conical surface sections engageable in wedging relation when said protruding portion is received within the socket of said tool holder support, through the opening of said locking ring, and said locking ring is rotated to relatively displace said conical surface sections helically, to lock said tool holder and tool holder support together.
Claim 25
Dependent Claim
29 words
A tool holding device according to claim 21 including means operatively interconnecting said locking ring and said tool holder support for urging said conical surface sections into wedging relation.
Claim 26
Dependent Claim
32 words
A tool holding device according to claim 22 including means connected to said locking ring for moving said conical surface sections out of wedging relation, against the action of said urging means.
Claim 27
Dependent Claim
38 words
A tool holding device according to claim 21 wherein said conical surface sections are tapered from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius.
Claim 28
Dependent Claim
37 words
A tool holding device according to claim 21 wherein said conical surface sections comprise a pair of sets of circumferentially spaced conical surface sections disposed on said locking ring and the protruding portion of said tool holder.
Claim 29
Dependent Claim
38 words
A tool holding device according to claim 25 wherein said conical surface sections are tapered from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius.
Claim 30
Dependent Claim
22 words
A tool holding device according to claim 21 wherein said torque transmitting means comprises at least one set of engageable radial surfaces.
Claim 31
Dependent Claim
79 words
A tool holding device according to claim 21 wherein said conical surface sections comprise a pair of sets of circumferentially spaced conical surface sections on said locking ring and the protruding portion of said tool holder, said conical surface sections are tapered from an inner maximum radius, longitudinally outwardly and radially inwardly toward an outer end of said tool holder, to an outer minimum radius, and said torque transmitting means comprises at least one set of engageable radial surfaces.
Claim 32
Dependent Claim
59 words
A tool holding device according to claim 28 including means operatively interconnecting said locking ring and said tool holder support for rotating said locking ring and, correspondingly, urging said conical surface sections into wedging relation, and means connected to said locking ring for moving said conical surface sections out of wedging relation, against the action of said urging means.
Claim 33
Dependent Claim
63 words
A tool holding device according to claim 21 wherein said locking ring is internally splined, the protruding portion of said tool holder is externally splined and receivable within the internal spline of said locking ring, and the elongated tooth portions of said splines having conical surface sections tapered from an inner maximum radius, longitudinally outwardly and radially inwardly to an outer minimum radius.
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |