G - Physics – 01 – G
Patent
G - Physics
01
G
265/56
G01G 21/24 (2006.01)
Patent
CA 1177499
ABSTRACT OF THE DISCLOSURE This invention relates to mechanical linkages and discloses linkages for constraining relatively large motion of the reference member to be along a reference axis. The linkage includes two pairs of flexure elements, each flexure element having a vertex end portion and at least one distal end portion. The flexure elements of each pair are connected so that their corresponding pairs of distal end portions are coupled to each other. Each of the coupled distal end portions is connected by a rigid link to the corresponding pair of connected distal end portions of the other pair of flexure elements so that the junction of the distal end portions of each coupled pair are separated by a predetermined distance in the direction of the reference axis. The vertex portions of corresponding ones of the flexure elements of each pair is connected to the reference member. The two vertex portions coupled to the reference member are separated by the pre- determined distance in the direction of the reference axis. The vertex portions of the other flexure members are connected to the support member at points separated by the predetermined distance in the direction of the reference axis. This improved linkage effectively constrains the motion of an element to motion along a reference axis with a relatively large range of motion.
400020
Riches Mckenzie & Herbert Llp
Setra Systems Inc.
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