Patent US3741670A successfully refreshed from Google Patents.
US3741670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power unit support
Assignee: Individual
•
Filing: 1971-07-22
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Granted: 1973-06-26
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Expires: 1991-07-22
Abstract
Abstract A portable attachment is provided for use with power hand drills, comprising a frame, means for clamping the frame to a piece of work, a carriage mounted to travel longitudinally along said frame, clamping means mounted on the carriage adapted to clamp a power hand drill to same, and mechanical means for forcing the carriage to travel along the frame. In operation, a power hand drill is clamped to the carriage, the frame clamped to a workpiece, power applied to the motor, and the mechanical feed means operated to cause the power hand drill to drill holes into or otherwise operate upon the workpiece.
Inventors
- 👤 E Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:29
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/0021; B25H1/0057; B25H1/0064; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5619; Y10T408/5626; Y10T408/5627
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
129 words
A portable power unit support comprising: 1. an elongated support frame, 2. clamp means provided at one end of said frame for clamping said frame to a workpiece, 3. carriage means slidably mounted on said frame having guide means slidably engaging said frame, 4. clamp means mounted on said carriage adapted to clamp a portable power unit thereto; and 5. feed means for causing said carriage means to travel comprising: a. a threaded rod, b. means mounted at the end thereof for manually rotating said rod; and c. a retainer affixed to said support frame having a threaded channel provided therethrough engaging said threaded rod, the forward end of said threaded rod being engageable with said carriage means for moving said carriage means when said threaded rod is rotated.
Claim 2
Dependent Claim
129 words
A portable power unit support comprising: 1. an elongated support frame, 2. clamp means provided at one end of said frame for clamping said frame to a workpiece, 3. carriage means slidably mounted on said frame having guide means slidably engaging said frame, 4. clamp means mounted on said carriage adapted to clamp a portable power unit thereto; and 5. feed means for causing said carriage means to travel comprising: a. a threaded rod, b. means mounted at the end thereof for manually rotating said rod; and c. a retainer affixed to said support frame having a threaded channel provided therethrough engaging said threaded rod, the forward end of said threaded rod being engageable with said carriage means for moving said carriage means when said threaded rod is rotated.
Claim 3
Dependent Claim
16 words
clamp means provided at one end of said frame for clamping said frame to a workpiece,
Claim 4
Dependent Claim
16 words
clamp means provided at one end of said frame for clamping said frame to a workpiece,
Claim 5
Dependent Claim
50 words
A portable power unit support according to claim 1, wherein said clamp means (2) comprises a clamp member affixed to the end of said frame and a chain member having one end engageable with respect to clamP member and the other end adjustably retained with respect to said clamp member.
Claim 6
Dependent Claim
14 words
carriage means slidably mounted on said frame having guide means slidably engaging said frame,
Claim 7
Dependent Claim
14 words
carriage means slidably mounted on said frame having guide means slidably engaging said frame,
Claim 8
Dependent Claim
79 words
A portable power unit support according to claim 2, wherein said means adjustably retaining said chain comprises a guide member having said chain movably disposed therein, a bolt having one end pivotally connected to said chain, and a threaded nut engaging the threaded end of said bolt and additionally engaging the end of said guide member, whereby tightening of said nut causes said chain to be pulled tight about said workpiece disposed between said chain and said clamp member.
Claim 9
Dependent Claim
25 words
A portable power unit support according to claim 3, wherein said clamp member is provided with means adapted to hook a link of said chain.
Claim 10
Dependent Claim
15 words
clamp means mounted on said carriage adapted to clamp a portable power unit thereto; and
Claim 11
Dependent Claim
15 words
clamp means mounted on said carriage adapted to clamp a portable power unit thereto; and
Claim 12
Dependent Claim
69 words
feed means for causing said carriage means to travel comprising: a. a threaded rod, b. means mounted at the end thereof for manually rotating said rod; and c. a retainer affixed to said support frame having a threaded channel provided therethrough engaging said threaded rod, the forward end of said threaded rod being engageable with said carriage means for moving said carriage means when said threaded rod is rotated.
Claim 13
Dependent Claim
69 words
feed means for causing said carriage means to travel comprising: a. a threaded rod, b. means mounted at the end thereof for manually rotating said rod; and c. a retainer affixed to said support frame having a threaded channel provided therethrough engaging said threaded rod, the forward end of said threaded rod being engageable with said carriage means for moving said carriage means when said threaded rod is rotated.
Claim 14
Dependent Claim
41 words
A portable power unit support according to claim 1, wherein said carriage means is provided with two clamps one adapted to engage the handle of said power unit and the other adapted to engage the forward reduced portion of said unit.
Claim 15
Dependent Claim
31 words
A portable power unit support according to claim 1, wherein said frame comprises an elongated plate, and said carriage means comprises a slide plate having guide means slidably engaging said plate.
References Cited (Backward Citations)
US611387A
Cited
US2973673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |