Patent ID: 9546679
Date: 2017-01-17
CPC Classifications: F16C,Y10T

Claim:
1. A bearing seat for a ball joint comprising: a tubular body having an interior surface shaped for slidably receiving a ball-shaped member, an outer peripheral surface, first and second lengthwise ends respectively defining first and second extreme lengthwise ends of the bearing seat, and a first end face at the first lengthwise end of the tubular body which faces away from the second lengthwise end of the tubular body in a lengthwise direction of the tubular body; and one or more undercut grooves formed in the tubular body, each of which opens onto the first end face of the tubular body and includes an opening which opens onto the outer peripheral surface of the tubular body, each undercut groove having an interior width measured in a circumferential direction of the tubular body which is greater than a circumferential width of the opening measured in the circumferential direction of the tubular body on the outer peripheral surface of the tubular body and having a depth measured in a radial direction of the tubular body from a radially inner surface of the undercut groove to the outer peripheral surface of the tubular body which is less than the circumferential width of the opening.