发明名称 |
Track roller having V-shaped helical grooves |
摘要 |
Ribbing configuration for use on a tracking roller for positive belt traction in which the roller's cylindrical surface has shallow V-shaped grooves defining lands which spiral oppositely outward from the center of the roller.
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申请公布号 |
US4140216(A) |
申请公布日期 |
1979.02.20 |
申请号 |
US19770775719 |
申请日期 |
1977.03.09 |
申请人 |
DYNALOC CORPORATION |
发明人 |
CONRAD, RENE A. |
分类号 |
B65G39/071;(IPC1-7):B65G23/04;B65G39/16 |
主分类号 |
B65G39/071 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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