Pinion gear assembly
First Claim
Patent Images
1. A pinion gear assembly comprising:
- a pinion that extends along an axis and has a gear portion, a hub portion disposed proximate the gear portion, a first shoulder, and a second shoulder, wherein the first shoulder and the second shoulder are interrupted by grooves between adjacent gear teeth;
a collar that has a collar hole that receives the hub portion;
a bearing that has a bearing hole that receives the collar; and
a key that couples the collar to the hub portion, wherein the key is disposed between the bearing and the axis and extends through the collar into the hub portion;
wherein the collar is fixedly disposed on the hub portion and engages the first shoulder and the bearing is fixedly disposed on the collar and engages the second shoulder.
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Accused Products
Abstract
A pinion gear assembly having a pinion, a collar, and a bearing. The pinion may have a gear portion and a hub portion disposed proximate the gear portion. The collar may be fixedly disposed on the hub portion and the bearing may be fixedly disposed on the collar.
14 Citations
19 Claims
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1. A pinion gear assembly comprising:
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a pinion that extends along an axis and has a gear portion, a hub portion disposed proximate the gear portion, a first shoulder, and a second shoulder, wherein the first shoulder and the second shoulder are interrupted by grooves between adjacent gear teeth; a collar that has a collar hole that receives the hub portion; a bearing that has a bearing hole that receives the collar; and a key that couples the collar to the hub portion, wherein the key is disposed between the bearing and the axis and extends through the collar into the hub portion; wherein the collar is fixedly disposed on the hub portion and engages the first shoulder and the bearing is fixedly disposed on the collar and engages the second shoulder. - View Dependent Claims (2, 3, 4, 5)
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6. A pinion gear assembly comprising:
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a pinion that extends along an axis and has a gear portion, a hub portion disposed proximate the gear portion, a first shoulder, and a second shoulder, wherein the first shoulder and the second shoulder are interrupted by grooves between adjacent gear teeth; a collar that has a collar hole that receives the hub portion and a collar snap ring groove, wherein the collar engages the first shoulder; a bearing that defines a bearing hole that receives the collar, wherein the bearing engages the second shoulder; and a collar snap ring disposed in the collar snap ring groove that inhibits movement of the bearing with respect to the collar. - View Dependent Claims (7, 8, 9)
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10. A pinion gear assembly comprising:
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a pinion that extends along an axis and has a gear portion, a shaft portion that extends from a first pinion end surface to the gear portion, and a hub portion that extends from a second pinion end surface to the gear portion; a collar that has a collar hole that receives the hub portion; and a bearing that has a bearing hole that receives the collar; wherein the pinion has a first shoulder and a second shoulder, wherein the collar engages the first shoulder and the bearing engages the second shoulder and the first shoulder and the second shoulder are interrupted by grooves between adjacent gear teeth; and wherein the collar is fixedly disposed on the hub portion and the bearing is fixedly disposed on the collar. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification