F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 15/08 (2006.01) F16H 3/00 (2006.01) F16H 3/36 (2006.01) F16H 3/42 (2006.01)
Patent
CA 2150769
A variable-speed gear mechanism comprises a pinion with spring-biased radial pins and a face gear with an operative face that meshes with the pinion at various meshing radii. The gear has a central part which defines a radially innermost set of part-cylindrical sockets. Each socket has anaxial opening which faces outwardly from the gear face and a lateral opening which faces radially outwardly and through which a pin is received laterally into the socket during meshed operation. A recess extends radially outwardly and in both circumferential direction from the bottom of the lateral opening of each socket, permitting unobstructed movement of a pin to and from the socket. A circular groove may define the required recesses. Its depth at a particular radius may be sufficient to avoid contact between the pins and the face gear thereby providing a neutral function. Meshing structure at a next larger meshing radius may consist of another set of sockets with lateral openings facing radially inwardly. Radial grooves may direct a pin located in a socket of the innermost set to a corresponding socket in the other set as the pinion is moved radially to change gear ratios.
Barens Ivor
Waraksa Mirek A.
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