子分类：
- B62B2301/02： .包括用于纵向运行的车轮和用于横向运行的车轮
- B62B2301/04： .包括完全绕垂直轴枢转的车轮,例如旋转脚轮
- B62B2301/05： .车轮安装到底盘上的附件的零件
- B62B2301/06： .所有车轮同时转向
- B62B2301/08： .包括附加车轮以增加稳定性
- B62B2301/10： .调节车轮轴位置以增加稳定性
- B62B2301/12： .包括平衡装置以增加稳定性
- B62B2301/14： .绕水平垂直轴枢转的车轮布置
- B62B2301/20： .使用弹簧的车轮弹性悬挂
- B62B2301/25： .以地面结合元件为特征的,例如轮胎
- B62B2301/33： .具有突起的车轮,例如防滑突起
- B62B2301/34： .防止泥的,例如通过缩回或包装车轮
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | MEDICAL EMERGENCY CRASH CART | PCT/US2009045153 | 2009-05-26 | WO2009151944A8 | 2010-07-22 | JANICK JAMES J; WELCH ROBERT J; STEELE ROBERT R; SINHA SANJEEB |
| A utility cart includes an auxiliary swivel caster wheel assembly, a locking mechanism, and a trigger mechanism for causing the locking mechanism to releasably lock the auxiliary swivel caster wheel assembly. The auxiliary swivel caster wheel assembly is unlocked to enable the auxiliary swivel caster wheel to rotate about a vertical axis for improved maneuverability in small areas, and is locked to hold the auxiliary swivel caster wheel in a predetermined position for improved steering as the cart is moved from one location to another. The trigger mechanism is disposed on a steering handle to enable dynamic actuation of the locking mechanism while the cart is in motion. | ||||||
| 122 | PUSHCHAIR FOR CHILDREN | PCT/EP2008055926 | 2008-05-14 | WO2008145523A3 | 2009-01-22 | RANCATI LARA MARIA |
| A pushchair (1) for children, comprising a wheeled chassis (2) on which a seat (5) is fitted, a device (6) for steering the at least one rear wheel (4) being provided which is associated with a maneuvering handlebar (7) which allows to modify the orientation of the at least one rear wheel (4). | ||||||
| 123 | MODULAR DUAL WHEEL DRIVE ASSEMBLY | PCT/US2006039613 | 2006-10-11 | WO2007044747A3 | 2008-10-23 | TOBEY WAYLAND E; DAVIS PETER D |
| A wheel assembly for a small-scale machine includes a pair of opposing, individually driven wheels, associated motors and possibly one or more gear assemblies. The motors receive separate drive signals from a control electronics subsystem of the wheel assembly. The motors can be connected to the wheels via the gear assemblies. Because the wheels are separately driven, driving the two wheel assemblies at similar or different speeds drives the wheel assembly over straight or curved paths. An orientation assembly allows the orientation of the wheels to the machine to be controllably altered. A height adjusting assembly allows the distance between the wheels and a point on the machine where the wheel assembly is attached to be adjusted. The rotational axis that the wheel assembly rotates about when reoriented need not pass through either wheel of the wheel assembly. The wheels can be driven by control signals generated by on-board control electronics. | ||||||
| 124 | STROLLER OR BABY CARRIAGE WITH CONTROLLED STEERING WHEELS | PCT/EP2005008732 | 2005-08-11 | WO2006024380A3 | 2006-12-28 | PEREGO LUCIO |
| A stroller or baby carriage device including a supporting frame (11) for a member (12) receiving one or more children, a pushing bar (13) and front (16) and rear (14) wheel pairs. A pair of wheels is made steering and controlled by a steering wheel device (19) arranged on said bar (13). | ||||||
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