Mast with a mechanism for pivoting the elongate post

A mast (10) which includes an elongate post (12) with a first end (14) and a second end (16), the first end (14) being pivotally secured to a ground-engaging support base (20), a first mechanism (22) attached to and between the post (12) and the base (20), a winch (26) which is attached to and which is movable with the post (12), a member (32) which is fixed to the support base (20) and which includes an anchor point (30) at an elevated position relative to the base (20), a cable (28) which is engaged with the winch (26) and which is secured at one end to the anchor point (30), and wherein the winch (26) is actuable to allow the post (12) to pivot about the first end (14), from an elevated position, in a first direction (54) against the action of the first mechanism (22) which acts between the post (12) and the support base (20) to allow controlled gradual pivotal movement of the post (12) as the post (12) is lowered in the first direction (54) to a predetermined angular extent relative to the vertical, and which is actuable to pivot the post (12) in a second direction (56) which opposes the first direction (54) to elevate the post (12).