US4586869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial robot hand
Assignee: Fanuc Corp
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Filing: 1982-08-25
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Granted: 1986-05-06
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Expires: 2002-08-25
Abstract
Abstract A robot hand to be joined in use to the free end of an industrial robot wrist unit (10) is provided with a right and left work gripping units (28b and 28a) having pairs of work gripping fingers (30b and 30a), respectively, and separately disposed on the right and the left sides of a hand base, and an offset adjusting mechanism (34, 36, 40 and 42) for fastening the hand base with fastening means after the completion of the lateral adjustment of the hand base by a desired degree with respect to the wrist unit (10).
Inventors
- 👤 Ryo Nihei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:22
CPC Classifications
B; B25; B25J; B25J15/00; B25J15/08; B25J15/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
134 words
An industrial robot hand adapted to be joined to the free end of a robot wrist unit, said free end having an axis of rotation, said hand comprising: a hand base having a center axis parallel to said axis of rotation and left and right sides, relative to said center axis, left and right work gripping units disposed separately, respectively on said left and right sides of said band base for gripping unmachined and machined workpieces, respectively, different in size and shape from one another, each gripping unit having a pair of work gripping swing fingers, and means for fastening said hand base to said free end including an offset adjusting means for adjusting and laterally offsetting said center axis of said hand base relative to said axis of rotation of said free end.
Claim 2
Dependent Claim
134 words
An industrial robot hand adapted to be joined to the free end of a robot wrist unit, said free end having an axis of rotation, said hand comprising: a hand base having a center axis parallel to said axis of rotation and left and right sides, relative to said center axis, left and right work gripping units disposed separately, respectively on said left and right sides of said band base for gripping unmachined and machined workpieces, respectively, different in size and shape from one another, each gripping unit having a pair of work gripping swing fingers, and means for fastening said hand base to said free end including an offset adjusting means for adjusting and laterally offsetting said center axis of said hand base relative to said axis of rotation of said free end.
Claim 3
Dependent Claim
60 words
An industrial robot hand according to claim 1, wherein said free end includes a first plate bracket; said hand base includes a second plate bracket having threaded holes therein; and said offset adjusting means includes an attaching plate member fixed to said first plate bracket and having slots therein, and screw means inserted through said slots into said threaded holes.
Claim 4
Dependent Claim
62 words
An industrial robot hand according to claim 1, wherein said free end includes a first plate bracket; said hand base includes a second plate bracket; and said offset adjusting means includes an attaching plate member fixed to said first plate bracket and having threaded holes therein, slots in said second bracket, and screw means inserted through said slots into said threaded holes.
Claim 5
Dependent Claim
37 words
An industrial robot hand according to any one of claims 1, 2 or 3, wherein said offset adjusting means is provided with indicia-marked graduations for allowing visual recognition of the degree of offset of said hand base.
References Cited (Backward Citations)
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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) | 1989-05-05 | 1989-11-04 | 1990-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-05 | 1993-11-04 | 1994-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-05 | 1997-11-04 | 1998-05-06 | $7700.00 | Window Closed / Lapsed |