Patent US4100637A successfully refreshed from Google Patents.
US4100637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination tool
Assignee: Individual
•
Filing: 1976-03-24
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Granted: 1978-07-18
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Expires: 1996-03-24
Abstract
Abstract A combination tool comprising a chuck key provided with at least one opening formed in the shaft thereof to receive therein a tool usually employed prior to the formation or following the formation of a hole in a structure. The chuck key is adapted to engage with the external teeth formed on one end of a chuck to either tighten or loosen the chuck on a tool such as a drill bit or the like. The tool carried by the shaft of the chuck key may comprise a punch, or a reamer, or a screw driver or the like.
Inventors
- 👤 Fred J. Grieser, Sr.
- 👤 Fred J. Grieser, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:22
CPC Classifications
B; B25; B25F; B25F1/00; Y; Y10; Y10T; Y10T279/00; Y10T279/34; Y10T279/3431
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
89 words
A combination tool comprising a chuck key having a fixed bevel gear and a shaft extending from said bevel gear, said gear engaging a like bevel on a drill holding chuck for actuating said chuck, a plurality of openings formed in said shaft and a plurality of tools mounted on said shaft, a blow receiving area at one end of said shaft and a tapered pointed end at the opposite end thereof for forming a marker point on a surface by imposing a blow on said blow receiving area.
Claim 2
Dependent Claim
89 words
A combination tool comprising a chuck key having a fixed bevel gear and a shaft extending from said bevel gear, said gear engaging a like bevel on a drill holding chuck for actuating said chuck, a plurality of openings formed in said shaft and a plurality of tools mounted on said shaft, a blow receiving area at one end of said shaft and a tapered pointed end at the opposite end thereof for forming a marker point on a surface by imposing a blow on said blow receiving area.
Claim 3
Dependent Claim
15 words
The structure recited in claim 1 wherein one of said tools comprises a screw driver.
Claim 4
Dependent Claim
14 words
The structure recited in claim 1 wherein one of said tools comprises a punch.
Claim 5
Dependent Claim
13 words
The structure recited in claim wherein one of said tools comprises a reamer.
Claim 6
Dependent Claim
25 words
The structure recited in claim 1 wherein a slotted sleeve partially encircles said shaft and wherein said blow receiving area is formed on said sleeve.
Claim 7
Dependent Claim
15 words
The structure recited in claim 5 wherein said sleeve is frictionally retained on said shaft.
Claim 8
Dependent Claim
87 words
A combination tool comprising a chuck key having a fixed bevel gear and a shaft extending from said bevel gear, said gear engaging a like bevel on a drill holding chuck for actuating said chuck, a tool mounted on said shaft, a blow receiving area at one end of said tool and said shaft and a tapered pointed end at the opposite end of said tool and shaft for forming a marker point on a surface by imposing a blow on one of said blow receiving areas.
Claim 9
Dependent Claim
87 words
A combination tool comprising a chuck key having a fixed bevel gear and a shaft extending from said bevel gear, said gear engaging a like bevel on a drill holding chuck for actuating said chuck, a tool mounted on said shaft, a blow receiving area at one end of said tool and said shaft and a tapered pointed end at the opposite end of said tool and shaft for forming a marker point on a surface by imposing a blow on one of said blow receiving areas.
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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) | 1981-07-17 | 1982-01-16 | 1982-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-17 | 1986-01-16 | 1986-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-17 | 1990-01-16 | 1990-07-18 | $7700.00 | Window Closed / Lapsed |