Gear assembly for automobile transmission

Patent · Tue Mar 25 04:00:00 EST 1986

OSTI ID:5898835

Ikemoto, K; Tera Kura, Y; Miyake, T

This patent describes a gear assembly including a pair of driving and driven gears permanently in meshing engagement with each other to provide a torque transmission therebetween. The driven gear is formed at one side thereof with a boss portion, and an additional gear axially slidable and rotatable on the boss portion of the driven gear and is permanently in meshing engagement with the driving gear to rotate at a gear ratio different from that of the driving and driven gears, additional gear is also resiliently in contact with a synchronizer mechanism assembled adjaecnt to the additional gear and having a spline piece fixed to the boss portion of the driven gear. The improvement wherein a toothed portion of the driven gear is formed at one end thereof with an annual stepped portion for provision of a predetermined annular gap between the additional gear and the one end face of the toothed portion of the driven gear. The resilient means is a waveshaped ring spring arranged in surrounding relationship with the boss portion of the driven gear and is engaged at its one end face with the additional gear and at its other end face with the spline piece of the synchronizer mechanism.

• Assignee: Toyota Jidosha Kabushiki Kaisha
• Patent Number(s): US 4577525
• OSTI ID: 5898835
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330602* -- Vehicle Design Factors-- Engine-Transmission Matching
ANNULAR SPACE
CONFIGURATION
DESIGN
GEARS
MACHINE PARTS
MECHANICAL TRANSMISSIONS
MOTION
ROTATION
SPACE
TORQUE
VEHICLES