Paragraph Number

40

In one embodiment, the lock feature 105 and head feature 107 include structures that cooperate to selectively engage and lock two structure relative to each other. For example, a lock feature 105 may include one or more radial grooves 116. And a head feature 107 may include one or more raised ridges 216 adapted to engage a corresponding one or more radial grooves 116 of the lock feature 105. Of course, in another embodiment, the lock feature 105 may include one or more raised ridges 216 and the head feature 107 may include a corresponding one or more radial grooves 116.

Added by DJM 5 2021