Machine element or mechanism – Gearing – Interchangeably locked
Patent
1994-06-01
1995-11-21
Bonck, Rodney H.
Machine element or mechanism
Gearing
Interchangeably locked
F16H 324
Patent
active
054676606
ABSTRACT:
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 an axial 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.
REFERENCES:
patent: 684215 (1901-10-01), Foster
patent: 870715 (1907-11-01), Cowles
patent: 874657 (1907-12-01), Burger
patent: 955279 (1910-04-01), Moore, Sr.
patent: 1438444 (1922-12-01), Louat
patent: 2803145 (1957-08-01), Fisher
patent: 3075397 (1963-01-01), Winter
patent: 5065638 (1991-11-01), Barens
Bonck Rodney H.
Kwon Peter
Waradsa Mirek A.
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