Strut spring compressor

Claim 1

A strut spring compressor for compressing a spring in a strut assembly which spring comprises an elongated straight element having first and second spring seats (C 1 , C 2 ) separated from each other with the spring coiled around said straight element and held between said seats, said strut spring compressor comprising: a. an elongated hollow straight rod receiving member (4) with an elongated slot (5) therein with a base housing body (2) supporting a crank (1) with a gear drive (3) in said base housing body (2); b. a threaded turning rod (6) in said receiving member (4) with a driver gear (9) engaging said drive gear (3); c. a moveable protuberant piece (14) coupled to said turning rod (6) through said elongated slot (5) so that the turning of said crank (1) will turn said threaded turning rod (6) and move said protuberant piece; and, d. fixed and moveable spring compression plates (10, 12), said fixed plate (10) extending from the region of said base housing body (2) outwards from said slot (5), said moveable plate (12) extending from said moveable protuberant piece (14), said plates being substantially the same size each having a central open portion (11, 15) to encircle a spring to be compressed, said open section being defined by threadlike claws (10a, 10b, 12a, 12b), the pitch of said claws corresponding approximately to the coil of the spring with engaging pieces to engage the spring to be compressed at the tips of opposing surfaces of said claws.