| 摘要 |
PROBLEM TO BE SOLVED: To sufficiently increase strength of a cage made of a metallic plate without increasing its plate thickness and manufacturing processes. SOLUTION: The strength of the cage 4 can be sufficiently increased without increasing its plate thickness and manufacturing processes by forming a pair of tacked annular plates 5 of the cage 4 for retaining balls 3, by using an austenite stainless steel plate. COPYRIGHT: (C)2007,JPO&INPIT
|
