Rotary tiltable plate drive

F - Mech Eng,Light,Heat,Weapons – 16 – H

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F16H 23/10 (2006.01) F02G 1/044 (2006.01) F16H 23/02 (2006.01)

Patent

CA 1073242

PHN 8422 15.5.1977 ABSTRACT : A drive comprising a shaft which is rotatably journalled in a frame and on which a plate is arranged which is tiltable between a mini- mum angle ? and a maximum angle ? and which coope- rates with one or more drive rods which are provided with a drive rod head with two spherical surfaces which are contacted by two sliding bodies, the other, flat side of which cooperates with two running sur- faces on the plate, each of the running surfaces on the plate being formed by a set of straight lines, each of which extends perpendicularly to the circumferential speed and is tangent at each running surface to an associated torus, the central lines of the two tori being formed by two ellipses which are situated one above the other, in parallel planes the ellipses being formed, in a position of the plate in which the two parallel planes enclose an angle with a plane perpendicular to the shaft which is equal to Image , by lines of intersection of the relevant planes and a cylinder which extends through the centres of curvature of the spherical surfaces on the drive rod heads, the distance between these centres of -22- PHN 8422 15.5.197 curvature being chosen so that in the position of maximum and minimum tilt of the plate the play variations in the extreme and the dead positions are equal and opposed. -23-

283545

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