| 摘要 |
<p>A castor with combined blocking includes a casing 10, a wheel 12, 14 mounted to rotate relative to the casing about an axis 18, a swivel 20 of axis 22 mounted to pivot relative to the casing, the axis being perpendicular to the axis, blocking elements 100 for blocking the swivel, control elements 102 for actuating the blocking elements, blocking elements 200 for blocking the wheel, control elements 202 for actuating the blocking elements 200, and elements 300 for coupling the control elements 102, 202 in such a manner that when the blocking elements 100 are actuated alone by the control elements 102, the blocking elements 200 are not actuated, and when the blocking elements 200 are actuated by the second control elements, the first blocking elements 202 are also actuated by the first control elements 102. The castor is applicable for hospital use, such hospital beds or the like.</p> |
