US5080535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill chips removing device
Assignee: Individual
•
Filing: 1990-07-06
•
Granted: 1992-01-14
•
Expires: 2010-07-06
Abstract
Abstract A drill chips removing device, comprising a sleeve or a ring formed with a through hole at its central portion for axially passing said drill therethrough and provided with a fixing device for fixing the sleeve or the ring to the drill.
Inventors
- 👤 Yukio Hirano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
B; B23; B23B; B23B47/00; B23B47/34; Y; Y10; Y10S; Y10S29/00; Y10S29/052; Y10T; Y10T407/00; Y10T407/11; Y10T407/116; Y10T408/00; Y10T408/50; Y10T408/89; Y10T408/892; Y10T408/8925; Y10T408/94; Y10T408/95; Y10T408/953
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
86 words
A drill chips removing device, comprising: a sleeve or a ring formed with a through hole for passing said drill and provided with a fixing means for fixing said sleeve or said ring to said drill, wherein said sleeve or ring is formed with a projection at the upper portion thereof, said projection being inserted into a gap defined between jaws of a chuck gripping said drill, for preventing said sleeve or ring from slipping relative to said chuck, and interconnecting said chuck, drill and sleeve.
Claim 2
Dependent Claim
86 words
A drill chips removing device, comprising: a sleeve or a ring formed with a through hole for passing said drill and provided with a fixing means for fixing said sleeve or said ring to said drill, wherein said sleeve or ring is formed with a projection at the upper portion thereof, said projection being inserted into a gap defined between jaws of a chuck gripping said drill, for preventing said sleeve or ring from slipping relative to said chuck, and interconnecting said chuck, drill and sleeve.
Claim 3
Dependent Claim
19 words
A drill chips removing device as claimed in claim 1, further comprising claws intruding twisted grooves of said drill.
Claim 4
Dependent Claim
23 words
A drill chips removing device as claimed in claim 1, further comprising bolts having tip portions engaging with twisted grooves of said drill.
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) | 1995-01-13 | 1995-07-15 | 1996-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-13 | 1999-07-15 | 2000-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-13 | 2003-07-15 | 2004-01-14 | $7700.00 | Window Closed / Lapsed |