F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 63/38 (2006.01) F16D 23/06 (2006.01) F16H 29/12 (2006.01)
Patent
CA 2134593
A pin-type synchronizer mechanism (86) with self-energizing ramps is configured to provide self-energizing forces for reducing an operator applied shift force (Fo) and/or shift time. The self-energizing forces are provided by self-energizing ramp surfaces (29e,29f,29g,29h) and (111a,111b,111c,111d) respectively, formed in external splines (29) of a shaft 28 and in internal teeth (111) extending radially inward from a shift flange (110). The ramp surfaces provide an additive axial force (F a) applied to friction rings (114,116) via shift flange blocker surfaces (110d,110e) reacting respectively against pin blocker surfaces (118c,118d). The shift flange carries improved pre-energizer and neutral position centering assemblies (120) including pre-energizer plungers (124) and neutral position plungers (126) respectively for axially retaining pins (118) and friction rings (114,116) in a neutral position relative to flange (110) and for neutral positioning flange (110) relative to recesses (128) in shaft (28).
Borden Ladner Gervais Llp
Corporation Eaton
LandOfFree
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