US3713637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable flame cutting machine
Assignee: WELD TOOL CORP
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Filing: 1971-01-05
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Granted: 1973-01-30
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Expires: 1991-01-05
Abstract
Abstract A portable flame cutting machine which includes an elongated guideway or base rail with rack upon which a carriage is driven and supported. The carriage carrying an auxiliary rail with rack movable perpendicularly to the base rail and carrying a laterally adjustable or movable torch holder for mounting a torch having a universally pivotable torch tip. The carriage contains a pair of drive units operably connected to the guideway rack and the auxiliary rail rack, and optionally a third lateral drive unit.
Inventors
- 👤 H Cable
- 👤 J Cable
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:47
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
147 words
A portable flame cutting machine comprising: A. an elongated support having a first rail substantially the length of said support and a clamping means for aligning and securing the support to a work piece; B. a carriage adapted for movement along said first rail and support and having a. first and second drive means, said second drive being disposed to move said carriage; b. a second rail operably connected to said first drive means for moving said second rail in a substantially vertical plane, said second rail having mounted thereon a torch mount boom transverse thereto, a torch mount on said boom adapted for movement in a direction transverse to both said second rail and said support; c. a torch removably secured to said mount and including a pivotable torch tip; and d. drive means on the torch mount for moving said mount lengthwise of said boom.
Claim 2
Dependent Claim
147 words
A portable flame cutting machine comprising: A. an elongated support having a first rail substantially the length of said support and a clamping means for aligning and securing the support to a work piece; B. a carriage adapted for movement along said first rail and support and having a. first and second drive means, said second drive being disposed to move said carriage; b. a second rail operably connected to said first drive means for moving said second rail in a substantially vertical plane, said second rail having mounted thereon a torch mount boom transverse thereto, a torch mount on said boom adapted for movement in a direction transverse to both said second rail and said support; c. a torch removably secured to said mount and including a pivotable torch tip; and d. drive means on the torch mount for moving said mount lengthwise of said boom.
Claim 3
Dependent Claim
147 words
A portable flame cutting machine comprising: A. an elongated support having a first rail substantially the length of said support and a clamping means for aligning and securing the support to a work piece; B. a carriage adapted for movement along said first rail and support and having a. first and second drive means, said second drive being disposed to move said carriage; b. a second rail operably connected to said first drive means for moving said second rail in a substantially vertical plane, said second rail having mounted thereon a torch mount boom transverse thereto, a torch mount on said boom adapted for movement in a direction transverse to both said second rail and said support; c. a torch removably secured to said mount and including a pivotable torch tip; and d. drive means on the torch mount for moving said mount lengthwise of said boom.
Claim 4
Dependent Claim
147 words
A portable flame cutting machine comprising: A. an elongated support having a first rail substantially the length of said support and a clamping means for aligning and securing the support to a work piece; B. a carriage adapted for movement along said first rail and support and having a. first and second drive means, said second drive being disposed to move said carriage; b. a second rail operably connected to said first drive means for moving said second rail in a substantially vertical plane, said second rail having mounted thereon a torch mount boom transverse thereto, a torch mount on said boom adapted for movement in a direction transverse to both said second rail and said support; c. a torch removably secured to said mount and including a pivotable torch tip; and d. drive means on the torch mount for moving said mount lengthwise of said boom.
Claim 5
Dependent Claim
23 words
A machine as set forth in claim 1 wherein said first rail includes a gear rack that cooperates with said second drive means.
Claim 6
Dependent Claim
21 words
A machine as set forth in claim 1 wherein said clamp comprises one of an electromagnet, permanent magnet and vacuum cup.
Claim 7
Dependent Claim
30 words
A machine as set forth in claim 1 wherein said carriage includes at least two pairs of rotatable guides adapted to cooperate with said rail for carrying said second rail.
Claim 8
Dependent Claim
23 words
A machine as set forth in claim 1 wherein said second rail includes a gear rack that cooperatively engages said first drive means.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |