Device for assembling a cam member with a cam shaft

Claim 1

A cam shaft assembly comprising: a shaft member having an outer diameter defined by an outer wall thereof; at least one cam member rigidly attached to said shaft member by a soldered connection, said cam member having an inner wall defining an axial bore extending therethrough with a cross-sectional profile corresponding to said outer wall of said shaft member and with a diameter which is slightly larger than said outer diameter of said shaft member sufficient to permit said shaft member to be placed to within said axial bore with a loose fit during assembly of said shaft member and said cam member; recess means formed within said axial bore on said outer wall of said shaft member; and joinder means including solder located within said recess means for fixing said cam member and said shaft member together, said joinder means comprising an annular piece having solder receptor means therein for holding the solder during assembly of said shaft member and said cam member, said annular piece being constructed from an axially split spring steel strip, said spring steel strip being formed with a corrugated configuration, said solder receptor means being axially extending concavities defined in said spring steel strip within which solder may be introduced and retained during heating of said joinder means to effect joinder of said cam member and said shaft member, said annular piece having an outer diameter when located within said recess means which is slightly larger than the diameter of said axial bore in said cam member so as to effect a press fit with said cam member during assembly thereof with said shaft member.