Patent JPS525523A successfully refreshed from Google Patents.
Patent US3750498A successfully refreshed from Google Patents.
US3750498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holders for machine tools
Assignee: Willen & Cie C
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Filing: 1970-08-27
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Granted: 1973-08-07
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Expires: 1990-08-27
Abstract
Abstract A tool holder for machine tools, such as automatic lathes, includes a body for attachment to the turret of the lathe. A tool support is connected to the body and adjusting means is attached to the tool support for adjusting the position of the tool support relative to the body. The adjusting means includes two relatively rotatable parts and roller means between the parts.
Inventors
- 👤 C Willen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:21
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/24; B23B29/04; B23B29/08; B23B29/10; Y; Y10; Y10T; Y10T279/00; Y10T279/34; Y10T279/3487; Y10T29/00; Y10T29/51; Y10T29/5178; Y10T408/00; Y10T408/21; Y10T408/83; Y10T82/00; Y10T82/25; Y10T82/2585
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
313 words
A tool holder assembly for releasably holding work tools comprising: a tool holder body; a hollow shank projecting outwardly from said tool holder body for attaching same to a machine turret during use of the tool holder assembly; means defining a through hole extending through said tool holder body in alignment with the hollow interior of said hollow shank and having an axially extending tapered portion; a radially compressible hollow sleeve having an axially extending tapered portion dimensioned to be inserted into said tapered portion of said hollow shank and dimensioned to receive axially therein a shank portion of a work tool; connecting means slidable over an exterior portion of said hollow sleeve for releasably connecting same to said tool holder body and cooperative with said tapered portion of said through hole to effect radial compression of said hollow sleeve to tighten same over the work tool shank thereby releasably and rigidly connecting the work tool to said tool holder body; variably settable limiting means extending into said hollow interior of said hollow shank and engageable with the endmost portion of the work tool shank for variable setting the limit of axial extent of the work tool shank relative to said tool holder body; means defining three other holes disposed in said tool holder body in mutually spaced-apart relationship with respect to each other; a plurality of tool supports having rods slidably insertable into individual ones of said three other holes; and locking means including a pair of reversible locking rods each mounted for reversible angular movement about its axis within said tool holder body at a location between a different two of said three other holes to effect releasable locking of one of said tool supports on said tool holder body in response to angular movement of said locking rod when the tool support is inserted into one of said two holes.
Claim 2
Dependent Claim
313 words
A tool holder assembly for releasably holding work tools comprising: a tool holder body; a hollow shank projecting outwardly from said tool holder body for attaching same to a machine turret during use of the tool holder assembly; means defining a through hole extending through said tool holder body in alignment with the hollow interior of said hollow shank and having an axially extending tapered portion; a radially compressible hollow sleeve having an axially extending tapered portion dimensioned to be inserted into said tapered portion of said hollow shank and dimensioned to receive axially therein a shank portion of a work tool; connecting means slidable over an exterior portion of said hollow sleeve for releasably connecting same to said tool holder body and cooperative with said tapered portion of said through hole to effect radial compression of said hollow sleeve to tighten same over the work tool shank thereby releasably and rigidly connecting the work tool to said tool holder body; variably settable limiting means extending into said hollow interior of said hollow shank and engageable with the endmost portion of the work tool shank for variable setting the limit of axial extent of the work tool shank relative to said tool holder body; means defining three other holes disposed in said tool holder body in mutually spaced-apart relationship with respect to each other; a plurality of tool supports having rods slidably insertable into individual ones of said three other holes; and locking means including a pair of reversible locking rods each mounted for reversible angular movement about its axis within said tool holder body at a location between a different two of said three other holes to effect releasable locking of one of said tool supports on said tool holder body in response to angular movement of said locking rod when the tool support is inserted into one of said two holes.
Claim 3
Dependent Claim
108 words
A tool holder assembly according to claim 1; wherein said connecting means comprises means defining threads in said tool holder body surrounding said through hole and located adjacent said tapered portion of said through hole, and a nut having threads on the exterior thereof complementing those on said tool holder body and having means therein defining an opening configured to both receive therethrough the work tool shank and to engage with an end portion of said hollow sleeve, whereby said nut may be threaded into said threads to radially compress said hollow sleeve about the work tool shank and connect the work tool to said tool holder body.
Claim 4
Dependent Claim
72 words
A tool holder assembly according to claim 1; wherein said variable settable limiting means comprises means defining threads along said hollow interior of said hollow shank, a threaded rod threaded into said hollow shank whereby rotational movement of said rod relative to said hollow shank effects translational movement of said rod along said hollow shank and wherein an end tip of said rod constitutes an abutment surface for the work tool shank.
Claim 5
Dependent Claim
26 words
A tool holder assembly according to claim 3; including a lock nut threaded onto said rod for locking said rod in position within said hollow shank.
Claim 6
Dependent Claim
32 words
A tool holder assembly according to claim 3; wherein said rod includes means on at least one end tip thereof for releasably engaging with a tool to effect rotation of said rod.
Claim 7
Dependent Claim
59 words
A tool holder assembly according to claim 1; including means defining another hole in said tool holder body; another tool support slidably insertable into said another hole; and another locking means including another locking rod mounted for angular movement about its axis within said tool holder body for releasably locking said another tool support on said tool holder body.
Claim 8
Dependent Claim
189 words
A tool holder for machine tools comprising: a body having a pair of opposite faces, means including a hollow shank projecting outwardly from one of said faces for attaching said body to a turret of a machine tool, means defining three holes in said body extending from the other of said faces into said body and disposed in mutually spaced-apart and symmetrical relationship, a tool support releasably mounted in at least one of said holes, locking means including two reversible locking rods each mounted for reversible angular movement on said body at a location between a different two of said three holes and cooperative therewith depending upon the direction in which it is angularly moved for releasably locking said tool support on said body, means within said body defining a central through hole having a tapered portion, a tapered collet insertable into said tapered portion of said through hole, a nut engageable with said collet for tightening said collet over the shank of a work tool, and an adjustable stop mechanism disposed within said hollow shank for adjustably setting the position of the work tool relative to said body.
Claim 9
Dependent Claim
189 words
A tool holder for machine tools comprising: a body having a pair of opposite faces, means including a hollow shank projecting outwardly from one of said faces for attaching said body to a turret of a machine tool, means defining three holes in said body extending from the other of said faces into said body and disposed in mutually spaced-apart and symmetrical relationship, a tool support releasably mounted in at least one of said holes, locking means including two reversible locking rods each mounted for reversible angular movement on said body at a location between a different two of said three holes and cooperative therewith depending upon the direction in which it is angularly moved for releasably locking said tool support on said body, means within said body defining a central through hole having a tapered portion, a tapered collet insertable into said tapered portion of said through hole, a nut engageable with said collet for tightening said collet over the shank of a work tool, and an adjustable stop mechanism disposed within said hollow shank for adjustably setting the position of the work tool relative to said body.
Claim 10
Dependent Claim
42 words
A tool holder according to claim 7, wherein said adjustable stop mechanism comprises a threaded rod threaded into said hollow shank and accessible from the front surface or back surface of said body, and a locking nut threaded on said threaded nut.
Claim 11
Dependent Claim
18 words
A tool holder according to claim 7, wherein said locking rod is tightened by a nut screwed thereon.
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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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |