초록 ▼

The invention concerns a trolley comprising a trolley top supportable on a foldable trolley base, for transporting heavy objects particularly between a first support surface and a vehicle and then from the vehicle to a further support surface. The base is foldable between an erected condition in whi

The invention concerns a trolley comprising a trolley top supportable on a foldable trolley base, for transporting heavy objects particularly between a first support surface and a vehicle and then from the vehicle to a further support surface. The base is foldable between an erected condition in which the sides are spaced apart and upright portions project upwardly from support portions and a folded condition in which the sides are juxtaposed and the upright and support portions lie adjacent one another. In the erected condition a locking pin, at each side, carried by the support portion projects into an aperture in the base of an upright portion to lock the two portions together. When the sides are moved to their juxtaposed positions a release pin attached to the locking pin causes withdrawal of the locking pin from the aperture to allow the upright and support portions to be relatively pivoted to the folded condition. The upright portion at each side is formed from upper and lower members telescopically slidable relative to one another and the trolley includes spaced engagement members at each side for locking the upper and lower members in selected relative positions to fix the height of the trolley. The engagement members at each side are operable by a common operating handle pivotally mounted to the lower member. A lever operated brake is mounted adjacent one wheel so that repeated movement of the lever in a single direction alternately releases and engages the brake.

대표청구항 ▼

A trolley comprising a trolley base and a trolley top arranged to be releasably supported on the trolley base, the trolley base having two sides each of which has an upright portion and a support portion and wheel means on which the trolley base can be pushed over the ground in an erected working co

A trolley comprising a trolley base and a trolley top arranged to be releasably supported on the trolley base, the trolley base having two sides each of which has an upright portion and a support portion and wheel means on which the trolley base can be pushed over the ground in an erected working condition in which the upright and support portions are at an angle to one another and the sides are spaced apart and which trolley base is movable by a double folding action between the erected condition and a folded condition in which the sides are juxtaposed and the angle between the upright and support portions is reduced so that they lie substantially adjacent one another, and including locking means arranged to lock the upright and support portions in their relative erected condition and release means coupled to the locking means and arranged to release the locking means on movement of the sides to the juxtaposed condition and means arranged to cause the locking means to automatically re-engage when the upright and support portions are moved to their relative erected condition with the sides spaced from one another.