发明名称 |
TUBULAR HITCH MEMBER BALL CONNECTION FOR AN IMPLEMENT |
摘要 |
Hitch ball assemblies for implement hitches are welded directly into holes formed in sidewalls of tubing ends which have been flattened to provide direct load transfer from the tubing to the implement frame. Several different flattened end cross-sectional configurations provide strong ball joint areas with a pleasing appearance. In one embodiment, an additional plate is supported between the sidewalls prior to flattening, and the hole is formed in the two sidewalls and the plate in the same hole-forming operation. The reduced number of hitch parts and welding steps decreases cost and dimensional variations.
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申请公布号 |
CA2100644(C) |
申请公布日期 |
1997.12.16 |
申请号 |
CA19932100644 |
申请日期 |
1993.07.15 |
申请人 |
DEERE & COMPANY |
发明人 |
ESSEX, DUANE ARNOLD;LOWE, TERRY LEE |
分类号 |
A01B59/00;B21D41/04;(IPC1-7):A01B59/04 |
主分类号 |
A01B59/00 |
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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