F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/54 (2006.01) F16B 2/14 (2006.01)
Patent
CA 2045236
ABSTRACT OF THE DISCLOSURE Apparatus for mechanical coupling such as an actuator to a valve includes an elongated drive member having an axial extremity having a drive surface and an elongated driven member having an axial extremity having a drive surface. One of the drive surfaces is an internal drive surface which has a polygon shaped cross section and one of the drive surfaces is an external drive surface which has a polygon shaped cross section. In some embodiments first and second sleeves including a plurality of wedge shaped surfaces having generally planar faces are inserted between the drive and driven surfaces. In other forms of the invention the internal drive surface has four wedge shaped faces and a single sleeve having wedge shaped faces is inserted between the drive and driven member. The drive and driven members are disposed with the drive surfaces disposed in nested axially overlapping relationship with the wedge shaped surfaces disposed radially inter- mediate the respective drive surfaces. Apparatus is provided to urge the wedge shaped surfaces of the first and second sleeves intermediate the drive surfaces of the drive and driven member.
Borden Ladner Gervais Llp
General Signal Corporation
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