US4537557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote center compliance gripper system
Assignee: Charles Stark Draper Laboratory Inc
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Filing: 1982-04-23
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Granted: 1985-08-27
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Expires: 2002-04-23
Abstract
Abstract A remote center compliance (RCC) gripper system including: an erectable RCC device including a compliance unit having a plurality of compliance members; an articulated gripper mechanism interconnected with one end of the compliance unit and including a base having a generally centrally disposed joint and having a plurality of fingers extending therefrom; and apparatus for applying a force to the centrally disposed joint to fix the joint and erect the RCC device.
Inventors
- 👤 Daniel E. Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
B; B25; B25J; B25J15/00; B25J15/02; B25J15/0206; B25J17/00; B25J17/02; B25J17/0208
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
87 words
A remote center compliance (RCC) gripper system comprising: support means; at least three compliance members mounted to said support means and disposed along conical radii from a focus; an articulated gripper mechanism interconnected with one end of said compliance members and including a base having a generally centrally disposed joint and having a plurality of fingers extending from siad base; and means for applying a force between said centrally disposed joint and said support means to fix said joint and apply a force to said compliance members.
Claim 2
Dependent Claim
87 words
A remote center compliance (RCC) gripper system comprising: support means; at least three compliance members mounted to said support means and disposed along conical radii from a focus; an articulated gripper mechanism interconnected with one end of said compliance members and including a base having a generally centrally disposed joint and having a plurality of fingers extending from siad base; and means for applying a force between said centrally disposed joint and said support means to fix said joint and apply a force to said compliance members.
Claim 3
Dependent Claim
13 words
The system of claim 1 in which said joint includes a pivot mechanism.
Claim 4
Dependent Claim
12 words
The system of claim 1 in which said joint includes a flexure.
Claim 5
Dependent Claim
19 words
The system of claim 1 in which each said compliance member is interconnected with said base proximate said finger.
Claim 6
Dependent Claim
21 words
The system of claim 4 in which each compliance member proximate the base includes a finger joint interconnected with said base.
Claim 7
Dependent Claim
14 words
The system of claim 5 in which said finger joint includes a pivot mechanism.
Claim 8
Dependent Claim
19 words
The system of claim 1 in which each said compliance member includes a major motion portion at each end.
Claim 9
Dependent Claim
15 words
The system of claim 1 in which each said compliance member is a deformable element.
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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) | 1988-08-26 | 1989-02-25 | 1989-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-26 | 1993-02-25 | 1993-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-26 | 1997-02-25 | 1997-08-27 | $7700.00 | Window Closed / Lapsed |