Joint for bars of folding cycle frame comprises two hinged plates with spring-loaded locking block with two triangular lips in one recess and lips fitting into grooves in plates when hinge is closed

摘要

The joint for the bars (1a, 1b) of a folding cycle frame comprises two plates (2a, 2b) linked by a hinge (7). These have recesses (4a, 4b) with triangular grooves at one end. A locking block (3) with two triangular lips (3a) is mounted on a spring (53) in one recess, the lips fitting into the grooves when the hinge is closed.