Extensible post perfected for cartolas truck.

摘要

1. IMPROVED STRETCH POST, gussets FOR TRUCK, OF STRUCTURED IN AT LEAST TWO PARTS-COLUMN CONJUGATE, A (S) SHIFT (S) telescopically REGARDING (S) OTHER (S) USING APPROPRIATE MEANS, PARTICULARLY SURGE ; Wherein it includes a device for LOCK / UNLOCK EACH-COLUMN these parts in different operating positions; Structuring said device: A) A LATCH, Hostable O retractable with vents, ALIGNED WITH AND APPLIED RESPECTIVELY, ONE ON EACH PIECE-COLUMN LOCK EACH OTHER: B) lever action, which in its turn, moves linearly A said latch (WITH RELATED TO THROUGH AT LEAST ONE CABLE OR PULL-GUIDING ELEMENT) IN COOPERATION WITH A DOCK action tends to keep the latch in an operative position.