FIELD: mechanical engineering.
SUBSTANCE: invention is related in particular to trolleys for transporting pianos. The trolley includes a frame made in form of a T-shaped horizontal cross, inside the cross cantilever beams of three composite parts are inserted, equipped with vertical support posts, equipped with wheels in the lower part and jacks in the upper part. The cantilever beams of the composite parts are configured to move along the T-shaped cross and be fixed to a predetermined depth inside the T-shaped cross. The composite part is equipped with two vertical support posts, equipped with wheels in the lower part and a transverse beam in the upper part. Along the upper part, due to a similar section of a larger dimension and the presence of clamping mechanisms, two beam fragments equipped with jacks have the ability to move and be fixed.
EFFECT: increased stability of pianos during transportation.
7 cl, 1 dwg
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