Planetary gear transmission systems or components – Nonplanetary variable speed or direction transmission... – Interrelated control of in series transmissions
Patent
1991-03-14
1992-09-08
Bonck, Rodney H.
Planetary gear transmission systems or components
Nonplanetary variable speed or direction transmission...
Interrelated control of in series transmissions
74473R, F16H 6100
Patent
active
051454696
ABSTRACT:
A transmission selector mechanism including two selector members (50, 51) connected with two coupling members (6, 7) each coupling member being axially slidable in both directions either side of a neutral position to couple a selected one of a pair of gears (10, 12: 11, 13) to an associated shaft (4, 5). The coupling members are connected with the selector members via an epicyclic gear train (56, 55, 54, 52). A first element (52) of the epicyclic is connected with one selector member (50), a second element (56) of the epicyclic is connected with one coupling member (6), and a third element (55) of the epicyclic is connected with the other selector member (5) and the other coupling member (7). The arrangement is such that by appropriate movement of the two selector members (50, 51) both coupling members (6, 7) can be positioned either on the same or opposite sides of their respective neutral positions. The other selector member (51) may operate in a control gate (51' ) in part of which the other selector member (51) is disconnected from the other coupling member (7) and selects operative ratios of an additional transmission stage or stages.
REFERENCES:
patent: 3774475 (1973-11-01), Meysenburg et al.
patent: 4089237 (1978-05-01), Scholz
patent: 4483210 (1984-11-01), Mayuzumi
patent: 4846322 (1989-07-01), Swank
patent: 4898045 (1990-02-01), Baba
patent: 4986142 (1991-01-01), Borodin et al.
Bonck Rodney H.
Massey-Ferguson Services N.V.
Wittels Daniel
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