Claims
- 1. A cam shaft comprising:
- a shaft member made of steel and having an axial groove on the outer periphery thereof; and
- a cam made of a sintered alloy and having an axial hole to receive said shaft member and having a protrusion on a wall defining said axial hole, said cam being mounted on said shaft member with said protrusion on said cam engaged in said axial groove in said shaft member, said shaft member being provided with a copper plating layer on the outer periphery thereof at a joint area where said cam is secured to said shaft member, said cam being impregnated with copper, said copper and said copper plating layer being heat fused to join said cam to said shaft member.
Priority Claims (1)
Number |
Date |
Country |
Kind |
1-49359 |
Feb 1989 |
JPX |
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Parent Case Info
This is a divisional application of Ser. No. 07/708,066, filed May 30, 1991, now U.S. Pat. No. 5,136,780, which in turn is a continuation-in-part of Ser. No. 07/561,506, filed Jul. 30, 1990, now abandoned.
US Referenced Citations (12)
Foreign Referenced Citations (6)
Number |
Date |
Country |
0340128 |
Nov 1989 |
EPX |
57-16090 |
Jan 1982 |
JPX |
60-190501 |
Sep 1985 |
JPX |
61-202771 |
Sep 1986 |
JPX |
2121908 |
Jan 1984 |
GBX |
2167524 |
May 1984 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
708066 |
May 1991 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
561506 |
Jul 1990 |
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