Original Zip-Bo by Len Subber
Tom Dorigatti & Jim Sweeey Compound (1973)
(photos by Tom Dorigatti)
Allen Compound Bow, Archery World, May 1975
Len Subber
ZipBo 1974
Buckle Bow made by Gerard J Scholten of Lon & Bruegel The Netherlands
Oval -shaped buckle spring has widened ends which fit into notches in the riser
and limb base to form a knife edge bearing. Limb synchronizing wheel and crossed cabin system is shown on the bow
Prototype one limb bow (never produced)
made in1970's