主权项 |
1. A memory button mount, comprising:
a) a mounting spring having coils in substantially full contact in an unflexed state that proceed successively from a base coil secured to a support surface to a gripping coil spaced apart from the support surface to form a conical shape, wherein:
the gripping coil is configured to releasably grip a cylindrical contact surface of the memory button, and a free length of the mounting spring is substantially equal to a solid length of the mounting spring; and b) a contact spring configured to engage a plane contact surface of the memory button, and wherein the contact spring is arranged within the base coil of the mounting spring. |