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 Title: |
US5847528:
Mechanism for control of position and orientation in three dimensions
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Hui, Raymond Chung-Ying; Montreal, Canada
Hayward, Vincent; Montreal, Canada
Ouellet, Alain Gerard; Moncton, Canada
Peruzzini, Walter; Montreal, Canada
Gregorio, Pedro; Montreal, Canada
Wang, Andrew; Markham, Canada
Vukovich, George; St-Bruno, Canada
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| Assignee: |
Canadian Space Agency, Saint-Hubert, Canada
other patents from CANADIAN SPACE AGENCY/AGENCE SPATIALE CANADIENNE (692207) (approx. 26)
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| Published / Filed: |
1998-12-08
/ 1995-05-19
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| Application Number: |
US1995000446060
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| IPC Code: |
Advanced:
B25J 9/10;
B25J 17/02;
Core:
more...
IPC-7:
B25J 1/02;
B66C 1/00;
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| ECLA Code: |
B25J9/10L; B25J17/02F2;
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| U.S. Class: |
Current:
318/568.1;
074/479.01;
318/568.11;
414/735;
901/017;
Original:
318/568.1;
318/568.11;
414/735;
074/479.B;
901/017;
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| Field of Search: |
318/560-696
901/021-25,43,17
414/735,730,729,731
074/479.01,469
395/800-890
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| Priority Number: |
| 1995-05-19 |
US1995000446060 |
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| Abstract: |
The subject invention provides a parallel or closed loop mechanism for moving and positioning a member in space. The mechanism includes three branches each provided with at least two link members being serially connected together by a spherical elbow joint whereby the first and second link members are rotatable with respect to each other about any axis passing through a center of the first joint. The mechanism is provided with actuators for moving each branch and the first links of each branch are rigidly connected at an end portion thereof to the actuator means. The mechanism includes three revolute joints each defining a longitudinal axis of rotation. Each revolute joint is connected to an associated second link member so that the longitudinal axes of all third joints intersect at a point and the revolute joints are interconnected so that the three branches form three parallel or closed loops.
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| Attorney, Agent or Firm: |
Schumacher, Lynn C.Hill & Schumacher ;
Dowell, Ralph A. ;
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| Primary / Asst. Examiners: |
Ip, Paul;
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| INPADOC Legal Status: |
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| Family: |
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First Claim:
Show all 23 claims |
Therefore what is claimed is:
1. A three degree of freedom mechanism for moving and positioning a member in space, comprising:
- a) at least three branches each provided with at least first and second link members, each of said first and second link members of each of said at least three branches being serially connected together by a spherical joint means, each spherical joint means having a center; and
- b) at least three revolute joints each defining an axis of rotation, said at least three revolute joints being connected to associated second link members so that said axes of rotation of said at least three revolute joints intersect at a point of intersection and said revolute joints being interconnected so that said at least three branches define at least three parallel closed loops.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 22 U.S. patent(s) that reference this one
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