US3570368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplicating apparatus
Assignee: Individual
•
Filing: 1969-08-29
•
Granted: 1971-03-16
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Expires: 1989-08-29
Abstract
Abstract A vertical turret milling machine having a horizontal support arbor is provided with a three dimensional duplicating device including a bracket which mounts on one end of the arbor and supports antifriction cylindrical bearings on opposite sides of the arbor for receiving parallel spaced cylindrical guide rods. A first vertical plate member rigidly connects the forward ends of the guide rods and supports an adjacent second vertical plate member for lateral movement. A third vertical platelike head member is supported by the adjacent second plate member for vertical movement and carries a rotatable spindle and a stylus positioned in horizontally spaced relation above the table of the machine. An overhead beam is pivotally supported by the mounting bracket and is connected to the head member by a linkage system positioned in a vertical plane and provided with a handle for controlling the lateral, to-and-fro and vertical movements of the head member. A weight is adjustably mounted on the beam to counterbalance the head member, and the spindle is driven by a belt connected to the milling machine motor mounted on the opposite end of the arbor.
Inventors
- 👤 Edward C Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:07
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/001; B23Q11/0017; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301232; Y10T409/3014
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
228 words
In combination with a milling machine including a base supporting a horizontal table, a turret head mounted on said base for rotation on a vertical axis, a horizontally extending ram mounted on said turret head for rotation therewith, and a motor mounted on one end of said ram, a device for machining a workpiece positioned on said table according to the configuration of a model also positioned on said table, said device comprising a support bracket mounted on the opposite end of said ram, a head member, means mounted on said bracket and supporting said head member for selective and precise movement in lateral to-and-fro and vertical directions above said table, a rotary spindle mounted on said head member and adapted to receive a cutter, means mounted on said head member in spaced relation to said spindle and adapted to receive a stylus for engaging the model, a belt drive connecting said motor of said milling machine to said spindle, means for substantially maintaining a predetermined tension within said belt drive during movement of said spindle with said head member, means for counterbalancing the weight of said head member and said spindle and said stylus receiving means, and means adapted to be manually gripped for moving said head member to effect movement of said stylus along the model and corresponding movement of the cutter relative to he workpiece.
Claim 2
Dependent Claim
228 words
In combination with a milling machine including a base supporting a horizontal table, a turret head mounted on said base for rotation on a vertical axis, a horizontally extending ram mounted on said turret head for rotation therewith, and a motor mounted on one end of said ram, a device for machining a workpiece positioned on said table according to the configuration of a model also positioned on said table, said device comprising a support bracket mounted on the opposite end of said ram, a head member, means mounted on said bracket and supporting said head member for selective and precise movement in lateral to-and-fro and vertical directions above said table, a rotary spindle mounted on said head member and adapted to receive a cutter, means mounted on said head member in spaced relation to said spindle and adapted to receive a stylus for engaging the model, a belt drive connecting said motor of said milling machine to said spindle, means for substantially maintaining a predetermined tension within said belt drive during movement of said spindle with said head member, means for counterbalancing the weight of said head member and said spindle and said stylus receiving means, and means adapted to be manually gripped for moving said head member to effect movement of said stylus along the model and corresponding movement of the cutter relative to he workpiece.
Claim 3
Dependent Claim
63 words
Apparatus as defined in claim 1 wherein said counterbalancing means comprise a generally horizontally extending beam member, means mounted on said bracket and supporting said beam member for pivotal movement on a generally horizontal axis, link means connecting said beam member to said head member forwardly of said axis, and a weight member connected to said beam member rearwardly of said pivot axis.
Claim 4
Dependent Claim
85 words
Apparatus as defined in claim 1 wherein said means adapted to be gripped for moving said head member comprise a generally horizontal beam member extending above said head member generally parallel to said ram, means mounted on said bracket and supporting said beam member for pivotal movement on a generally horizontal axis, a generally parallelogramlike linkage system including link members pivotally connecting said beam member to said head member and disposed in a generally vertical plane, and a handle member connected to said link members.
Claim 5
Dependent Claim
19 words
Apparatus as defined in claim 3 wherein said counterbalancing means comprise a weight member mounted on said beam member.
Claim 6
Dependent Claim
136 words
Apparatus as defined in claim 1 wherein said means supporting said head member comprise a pair of parallel-spaced cylindrical guide rods positioned on opposite sides of said ram and extending parallel thereto, cylindrical antifriction bearings mounted on said bracket and receiving said rods in preloaded condition, a first generally vertical plate member rigidly connecting the forward ends of said guide rods, a second generally vertical plate member positioned adjacent said first plate member, linear antifriction bearing means mounted on said first plate member and supporting said second plate member for lateral movement in a direction normal to said guide rods, said head member positioned adjacent said second plate member, and linear antifriction bearing means mounted on said second plate member and supporting said head member for vertical movement in a direction normal to said guide rods.
Claim 7
Dependent Claim
26 words
Apparatus as defined in claim 1 including means for selectively locking the movement of said head member in each of said lateral, to-and-fro and vertical directions.
Claim 8
Dependent Claim
27 words
Apparatus as defined in claim 1 including adjustable stop means for limiting the movement of said head member in each of said lateral, to-and-fro and vertical directions.
Claim 9
Dependent Claim
27 words
Apparatus as defined in claim 1 including means for adjustably and selectively positioning said stylus receiving means in lateral, to-and-fro and vertical directions relative to said spindle.
Claim 10
Dependent Claim
26 words
Apparatus as defined in claim 1 including means for angularly positioning said spindle and said stylus-receiving means relative to said head member on corresponding horizontal axes.
Claim 11
Independent Claim
194 words
A device adapted to be mounted on a vertical milling machine having a tablE for supporting a workpiece to be machined in accordance with the configuration of a model positioned on said table, said device comprising a bracket member adapted to be secured to said machine, a head member, means mounted on said bracket member and supporting said head member for selective and precise movement in lateral, to-and-fro and vertical directions above said table, a rotary spindle mounted on said head member and adapted to receive a cutter, means mounted on said head member in spaced relation to said spindle and adapted to receive a stylus for engaging the model, drive means for rotating said spindle, a generally horizontal beam member positioned above said head member, means mounted on said bracket member and supporting said beam member for pivotal movement on a generally horizontal axis, a linkage system pivotally connecting said beam member to said head member and disposed in a generally vertical plane, a handle member connected to said linkage system, and means connected to said beam member for counterbalancing the weight of said head member, said spindle and said stylus receiving means.
Claim 12
Independent Claim
194 words
A device adapted to be mounted on a vertical milling machine having a tablE for supporting a workpiece to be machined in accordance with the configuration of a model positioned on said table, said device comprising a bracket member adapted to be secured to said machine, a head member, means mounted on said bracket member and supporting said head member for selective and precise movement in lateral, to-and-fro and vertical directions above said table, a rotary spindle mounted on said head member and adapted to receive a cutter, means mounted on said head member in spaced relation to said spindle and adapted to receive a stylus for engaging the model, drive means for rotating said spindle, a generally horizontal beam member positioned above said head member, means mounted on said bracket member and supporting said beam member for pivotal movement on a generally horizontal axis, a linkage system pivotally connecting said beam member to said head member and disposed in a generally vertical plane, a handle member connected to said linkage system, and means connected to said beam member for counterbalancing the weight of said head member, said spindle and said stylus receiving means.
Claim 13
Dependent Claim
20 words
A device as defined in claim 10 wherein said counterbalancing means comprise a weight member mounted on said beam member.
Claim 14
Dependent Claim
33 words
A device as defined in claim 10 including means mounted on said head member for selectively and adjustably positioning said stylus-receiving means in lateral, to-and-fro and vertical directions relative to said head member.
Claim 15
Dependent Claim
27 words
A device as defined in claim 10 including means for angularly positioning said spindle and said stylus-receiving means on corresponding horizontal axes relative to said head member.
Claim 16
Dependent Claim
27 words
A device as defined in claim 10 including means for selectively locking the movement of said head member in each of said lateral, to-and-fro and vertical directions.
Claim 17
Dependent Claim
28 words
A device as defined in claim 10 including adjustable stop means for limiting the movement of said head member in each of said lateral, to-and-fro and vertical directions.
Claim 18
Dependent Claim
143 words
A device as defined in claim 10 wherein said means supporting said head member for movement in said lateral, to-and-fro and vertical directions comprise a pair of parallel spaced horizontal cylindrical rods, a corresponding pair of cylindrical antifriction bearings supported by said bracket member and receiving said rods, a first vertical plate member rigidly connecting the forward end portions of said rods, a second vertical plate member positioned adjacent said first plate member, linear antifriction bearing means mounted on said first plate member and supporting said second plate member for horizontal movement in said lateral direction, said cylindrical bearings supporting said first and second plate members for horizontal movement in said to-and-fro directions, said head member positioned adjacent said second plate member, and linear antifriction bearing means mounted on said second member and supporting said head member for movement in said vertical direction.
Claim 19
Dependent Claim
25 words
A device as defined in claim 10 including a generally vertical handle member connected to said linkage system and positioned substantially within said vertical plane.
Claim 20
Dependent Claim
58 words
A device as defined in claim 10 wherein said linkage system comprises a generally second beam member positioned below the first said beam member, a set of generally vertical link members, a series of pivot pins connecting said link members to said first and second beam members, and an antifriction needle bearing associated with each said pivot pin.
Claim 21
Dependent Claim
49 words
A device as defined in claim 10 wherein said linkage system provides a mechanical advantage substantially greater than 2:1 between the corresponding movements of said head member and said handle member to effect precise and sensitive movement of said head member in response to movement of said handle member.
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |