B - Operations – Transporting – 60 – B
Patent
B - Operations, Transporting
60
B
B60B 33/00 (2006.01)
Patent
CA 2282144
The invention concerns a roller (1) with a bearing axle (2), on which a wheel (4) is rotatably mounted in a roller housing (3), which wheel for the purpose of its fixing is raised off its travelling plane (8) together with its bearing axle (2) and the housing (3) by means of a lifting device (5) into a position past the dead centre and at the same time a supporting device (6) fitted to the housing (3) with its support area (7) is lowered by means of the same lifting device (5) onto the travelling plane (8). The object of the invention is to produce a roller of this kind, which with a lifting device which is simple to actuate and with a considerably greater load carrying capacity precludes an accidental release of the roller after its fixing. This objective is achieved according to the invention by that the lifting device (5) comprises two eccentric discs (20, 21) which are mounted at both ends (2a, 2b) of the bearing axle (2) and are connected in a rotationally fixed manner, one of the discs engaging in a form-locking manner a corresponding circular or oval recess (22, 23) in one side plate (24, 25) of the supporting device (6) and at least one of the eccentric discs (20) has two defined strike surfaces (26, 27) for two stable positions past the dead centre.
Finlayson & Singlehurst
Signode Bernpak Gmbh
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