192 clutches and power-stop control – Elements – Engaging surfaces
Patent
1997-11-12
1999-10-05
Marmor, Charles A
192 clutches and power-stop control
Elements
Engaging surfaces
192114T, 192 699, 192 531, F16D 1100
Patent
active
059609257
ABSTRACT:
A synchronizing apparatus for transmissions and a method of manufacturing a synchronizing member therefore are disclosed. The synchronizing member is adapted to be shifted along a shift direction during gearshift. The synchronizing member has teeth protruding from a synchronizing member surface. The teeth have a trapezoidal cross-section along a direction perpendicular to the shift direction and are configured with a tip along the shift direction. A front apex line of the tip projects under a first angle (.phi.) from the synchronizing member surface. The tip is constituted by two inclined front surfaces extending on both sides of the apex line. The front surfaces intersect under a second angle (.gamma.) in an upper tooth surface. For making the second angle (.gamma.) as small as possible the front surfaces are provided with an upper section canted away from the tip.
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patent: 4727968 (1988-03-01), Chana
patent: 4998445 (1991-03-01), Fujiwara
patent: 5626213 (1997-05-01), Janiszewski
Helms Georg
Kohler Petra
Ho Ha
Kircher William B.
Marmor Charles A
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