Fastener and dolly
A dolly comprising a chassis, a castor having a fork and a wheel rotatably mounted to the fork, and a fastener for fixing the fork of the castor to the chassis of the dolly. The fastener comprises a head which is shaped to the peripheral shape of the wheel of the castor.
1. A dolly comprising:
(a) a chassis;
(b) a castor having a fork and a wheel rotatably mounted to the fork,
(c) a fastener for fixing the fork of the castor to the chassis of the dolly and placed on a rotational axis of the fork, where the fastener comprises a head shaped to the peripheral shape of the wheel of the castor, and
(d) at least one wheel well for receiving a wheel, the wheel well limited by a rotationally symmetrical wall, and the fastener being placed in the middle of the well, wherein the fastener is prevented from rotation around its axial direction and the wheel well comprises a bottom plate having a hole with a shape based on a structure used to event rotation of the fastener around its axial direction.
2. The dolly according to claim 1 , wherein the fastener is rotationally symmetrical.