Patent ID: 8721247

Claim:
A spring clip for attachment to a threaded shank provided with an external thread, comprising: a base plate including a through-opening; two articulated legs joined to said base plate, each articulated leg including first and second free ends spaced form one another, an engaging tongue at said first free end for engagement with the external thread of the threaded shank and a manipulating tongue at said second free end for at least partially releasing an engagement of said engaging tongues with the external thread of the threaded shank, each said manipulating tongue angled with respect to said articulated leg and extending toward said base plate, said manipulating tongues oriented parallel to each other and parallel to a surface tangent to said through-opening, said manipulating tongues also disposed diagonally opposite each other whereby said manipulating tongues are movable linearly with respect to one another with reduced transverse forces and torque; and at least one resilient spring leg joined to said base plate and extending from an opposite side of said base plate from said articulated legs.