轮体基于聚酰胺(PA) technopolymer。与直通孔轧制行动中心。固定板肘板镀锌钢或符合美国钢铁协会的304不锈钢(SST)版本表,支架设计承受负荷3000 n。把肘板镀锌钢或符合美国钢铁协会的304不锈钢(SST)版本表,支架设计承受负荷3000 n。双球的存在种族和板之间的直接接触和轴承座圈环内置销确保优秀的机动性。不需要维护。它由(见图1):拟合板:以电解镀锌钢或符合美国钢铁协会的304不锈钢板;餐叉:以电解镀锌钢或符合美国钢铁协会的304不锈钢板;轴承座圈环:以电解镀锌钢或符合美国钢铁协会的304不锈钢板;中心销:纳入板、冷reflanged; rotation system: dual grease-lubricated ball race; dust seal: RAL 7015 dark grey technopolymer. Brake Total brake that locks the wheel and bracket rotation. The optimised dimensions and the retractable pedal ensure minimal space occupied and maximum actuation ease. Hardened carbon steel or stainless steel (SST version) spring. Standard executions PBL: fixed plate bracket, without brake. SBL: turning plate bracket, without brake. SBF: turning plate bracket, with brake. FBL: turning plate bracket and centre pass-through hole, without brake. FBF: turning plate bracket and centre pass-through hole, with brake. Index for bracket material: N: zinc-plated steel plate bracket. N-SST: AISI 304 stainless steel bracket.