Hauling arm with an articulated selfpositioning hook and vehicle equipped with such an arm.

摘要

Hauling apparatus with an arm incorporating, on one free extremity (3) of an end section (2) of this arm (1), a prehension hook (4) incorporating a jaw (7) and a claw (8) jointly delimiting by their free extremities a penetration slot (10) intended for a prehension bar (5) which is integral with the load to be hauled to pass through, characterised in that this jaw and this claw have a variable relative spacing, being mounted movably with respect to each other in the body of this hook between one maximum opening configuration and one minimum opening configuration, this hook incorporating a hook body (11) equipped opposite the jaw (7) with a cheek (12) bordered by a docking ramp (14) extending out to the free extremity (7A) of the jaw, and articulated at its extremity (12A) oposite the jaw around a transverse shaft (13) carried by the end section, between a backwards docking configuration with respect to the end section and a normal configuration in which the docking ramp (14) is approximately parallel to this end section, manoeuvring means (15) being provided to control the hook body (11) into position with respect to the end section (2) and the relative position of the jaw and of the claw.