Transmission Having a Low Launch Gear
First Claim
Patent Images
1. A vehicle transmission, comprising:
- a pinion secured to an input shaft;
a gear meshing with the pinion;
an idler secured to the gear;
a reverse gear engaged with the idler;
a low gear supported on a layshaft and engaged with the reverse gear;
a coupler connecting the low gear to the layshaft.
1 Assignment
0 Petitions
Accused Products
Abstract
Gearing for a vehicle transmission includes meshing forward gears and an idler, a reverse gear engaging the idler, a low gear engaging the reverse gear, a final drive, and a low gear drive path including the idler, the forward, reverse and low gears and the final drive.
-
Citations
14 Claims
-
1. A vehicle transmission, comprising:
-
a pinion secured to an input shaft; a gear meshing with the pinion; an idler secured to the gear; a reverse gear engaged with the idler; a low gear supported on a layshaft and engaged with the reverse gear; a coupler connecting the low gear to the layshaft. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A vehicle transmission, comprising:
-
an input shaft; an output; a pinion secured to the input shaft; a gear meshing with the pinion and driving the output at a forward speed; an idler secured to the gear; a reverse gear engaged with the idler and driving the output in reverse; a low gear engaged with the reverse gear; a low gear engaged with the reverse gear and driving the output at a lower forward speed than the gear. - View Dependent Claims (7, 8, 9, 10, 11, 12)
-
-
13. A vehicle transmission, comprising:
-
an input and output; first, second and third layshafts; meshing gears of a forward drive path supported on the input and first layshaft; an idler secured to one of said gears; a reverse gear engaged with the idler and supported on the second layshaft; a low gear engaged with the reverse gear and supported on the third layshaft; a final drive comprising a pinion secured to the third layshaft and meshing with the output.
-
-
14. The transmission of claim 15, further comprising:
-
a first coupler for alternately releasing and securing one of the idler and one of the meshing gears to the first layshaft; a second coupler for alternately releasing and securing the reverse gear to the second layshaft; a third coupler for alternately releasing and securing the low gear to the third layshaft; the third coupler alternately connecting the fifth speed gear and the reverse gear to the second layshaft; the second coupler alternately connecting the seventh speed gear and the idler to the first layshaft.
-
Specification