Claims
- 1. A sprocket for a drive chain which includes a number of links that each comprise two side plates which are connected by two pins, the sprocket comprising:
a circular hub; a number of drive teeth which extend radially outwardly from the hub; and a plurality of guide teeth which are located between the drive teeth; wherein each drive tooth has a first height which is sufficient to enable the drive tooth to engage a corresponding pin; and wherein each guide tooth has a second height which is smaller that the first height.
- 2. The sprocket of claim 1, wherein the second height is sufficient to enable the guide teeth to engage at least part of the side plates.
- 3. The sprocket of claim 1, wherein the second height is less than one-half the first height.
- 4. The sprocket of claim 1, wherein the second height is approximately one-third the first height.
- 5. The sprocket of claim 1, wherein the sprocket comprises a plurality of pairs of adjacent drive teeth and the guide teeth are located between the pairs of drive teeth.
- 6. The sprocket of claim 5, wherein the pairs of drive teeth are located at approximately 30°, 85°, 140°, 210°, 280° and 335° around the circumference of the hub 12.
- 7. The sprocket of claim 1, wherein the sprocket comprises two drive teeth which are positioned at approximately 90° and 270° around the circumference of the hub.
Parent Case Info
[0001] This application is based on U.S. Provisional Patent Application No. 60/482,125, which was filed on Jun. 23, 2004.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60482125 |
Jun 2003 |
US |