Double roller with two running wheels and roller with one...

B - Operations – Transporting – 60 – B

Patent

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Details

B60B 33/02 (2006.01)

Patent

CA 2669506

The invention relates to a double roller (1) with two running wheels (2) and one carrier housing (3), wherein an assembly journal (6) is arranged on the carrier housing (3). An actuating tappet (15) can be displaced in the assembly journal against a spring force, interacting with a counter locking part (65) for directional and/or complete fixation. Furthermore, a running wheel braking part (25) with engaging parts (37, 38) is provided for blocking the rotation of the running wheels (2). Said running wheel braking part (25) is likewise actuated by the actuating tappet (15) and furthermore the housing section (4) accommodating the actuating tappet (15) comprises a ball bearing (8) on the upper side and surrounds the actuating tappet (15) at least partially toward the bottom. In order to enhance a double roller of this type, it is proposed to have the counter locking part (65) inserted underneath the ball bearing (9) in the part of the housing section (4) that opens only in regard to the inner opening.

L'invention concerne une roue à pivot double (1) avec deux roues mobiles (2) et un boîtier porteur (3). Un pivot de montage (6) est configuré sur le boîtier porteur (3), dans lequel un poussoir d'actionnement (15) peut être déplacé à l'encontre d'une force de ressort et coopère, aux fins de blocage directionnel et/ou total, avec un contre-élément de blocage (65). Il est en outre prévu un élément (25) de freinage de roue mobile avec des parties d'engagement (37, 38), aux fins de blocage en rotation des roues mobiles (2), élément qui est lui aussi actionné par le poussoir d'actionnement (15). De plus, la partie de boîtier (4) recevant le poussoir d'actionnement (15) présente sur le dessus un roulement à billes (8) et entoure au moins partiellement vers le bas le poussoir d'actionnement (15). Selon l'invention, afin d'améliorer d'une manière avantageuse une roue à pivot double de ce type, le contre-élément de blocage (65) se trouve en dessous du roulement à billes (9) dans la partie de boîtier (4) qui n'est ouverte qu'en ce qui concerne son ouverture intérieure.

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