Patent US4078474A successfully refreshed from Google Patents.
US4078474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three dimensional duplicator assembly
Assignee: TERRCO Inc
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Filing: 1977-03-30
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Granted: 1978-03-14
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Expires: 1997-03-30
Abstract
Abstract The apparatus disclosed herein comprises a base having first and second platforms rotatably mounted thereto. First and second rods are mounted in parallel upon the base. First and second wheels have circumferential edges shaped to mate with the rods and are received thereon, a shaft spanning between the wheels and being received within central apertures defined by the wheels. Cables are secured to the rods and extend about the circumferential edges of the respective wheels to permit the wheels to roll but not slide along the rods. A mounting bracket is mounted to the shaft and a mount rod is rotatably supported by the mounting bracket. A stylus is mounted to one end of the mount rod; a router is mounted to the other end of the mount rod. The stylus is positionable against an object located on the first platfortt and the router is correspondingly positionable against a work piece located on the second platform. By appropriate, corresponding rotation of the first and second platforms and movement of the stylus against the object, the router will produce a three-dimensional reproduction of the object from the work piece.
Inventors
- 👤 Donald R. Laskowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:28
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q35/109; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/302408; Y10T409/306216; Y10T409/306552; Y10T409/306608
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
171 words
An apparatus for the three-dimensional reproduction of an object comprising: a base; a shaft having a central axis; means for mounting said shaft to said base to be movable relative said base along an axis perpendicular to the central axis of said shaft; a mounting bracket mounted to said shaft, said mounting bracket being rotatable about the central axis of said shaft and slidable axially along said shaft; a mount rod rotatably supported by said mounting bracket, said mount rod having a first end portion and a second end portion; a stylus mounted to the first end portion of said mount rod; cutting means mounted to the second end portion of said mount rod; a first platform rotatably mounted to said base and positioned to permit an object placed thereon to be contacted by said stylus; and a second platform rotatably mounted to said base and positioned to permit a work piece placed thereon to be contacted by said cutting means, said first and second platforms being rotatable in parallel planes.
Claim 2
Independent Claim
171 words
An apparatus for the three-dimensional reproduction of an object comprising: a base; a shaft having a central axis; means for mounting said shaft to said base to be movable relative said base along an axis perpendicular to the central axis of said shaft; a mounting bracket mounted to said shaft, said mounting bracket being rotatable about the central axis of said shaft and slidable axially along said shaft; a mount rod rotatably supported by said mounting bracket, said mount rod having a first end portion and a second end portion; a stylus mounted to the first end portion of said mount rod; cutting means mounted to the second end portion of said mount rod; a first platform rotatably mounted to said base and positioned to permit an object placed thereon to be contacted by said stylus; and a second platform rotatably mounted to said base and positioned to permit a work piece placed thereon to be contacted by said cutting means, said first and second platforms being rotatable in parallel planes.
Claim 3
Dependent Claim
18 words
The apparatus of claim 1 in which said first and second platforms are rotatable in a common plane.
Claim 4
Dependent Claim
39 words
The apparatus of claim 1 and which further includes indexing means for ensuring that the rotational position of one of said first and second platforms corresponds to the rotational position of the other of said first and second platforms.
Claim 5
Dependent Claim
147 words
The apparatus of claim 1 in which said means for mounting said shaft comprises a first wheel and a second wheel, the first and second wheels being of equal diameter, the first and second wheels each defining a central aperture in which one end of said shaft is received, said means for mounting said shaft further comprising a first rod and a second rod, the first rod being mounted to said base and the second rod being mounted to said base, the first and second rods being parallel, the first and second wheels having circumferential edges shaped to mate with the first and second rods, the first and second wheels being received upon and rollable along the first and second rods, respectively, whereby said shaft is being movable along an axis perpendicular to the central axis of said shaft and parallel to the first and second rods.
Claim 6
Dependent Claim
143 words
The apparatus of claim 4 in which said means for mounting said shaft further comprises first and second cables, the first and second rods each having first and second ends, the first cable having a first end secured to the first end of the first rod and further having a second end secured to the second end of the first rod, the first cable extending about the circumferential edge of the first wheel, the second cable having a first end secured to the first end of the second rod and further having a second end secured to the second end of the second rod, the second cable extending about the circumferential edge of the second wheel, whereby the first and second wheels are permitted to roll along the first and second rods and are prevented from sliding along the first and second rods.
Claim 7
Dependent Claim
18 words
The apparatus of claim 5 in which said first and second platforms are rotatable in a common plane.
Claim 8
Dependent Claim
39 words
The apparatus of claim 6 and which further includes indexing means for ensuring that the rotational position of one of said first and second platforms corresponds to the rotational position of the other of said first and second platforms.
Claim 9
Dependent Claim
23 words
The apparatus of claim 7 and which further includes locking means for locking said first and second platforms in a selected rotational position.
Claim 10
Dependent Claim
40 words
The apparatus of claim 1 in which said base includes a top, said first and second platforms being rotatably mounted to the top, said apparatus further including adjustment means for varying the vertical position of the top relative said shaft.
References Cited (Backward Citations)
US2661661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-13 | 1981-09-12 | 1982-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-13 | 1985-09-12 | 1986-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-13 | 1989-09-12 | 1990-03-14 | $7700.00 | Window Closed / Lapsed |