发明名称 Top brush construction with inflatable center section
摘要 A rotary brush for vehicle washing systems comprising first, second and third sections of radially extending felt strips, the lengths of said strips being such that the overall outer diameter of the brush when rotating is uniform but the second or central section being mounted on a large diameter inflatable cushion which reduces or eliminates the damaging effect of abrupt contact between the vehicle and a support shaft for the brush. In the preferred embodiment the cushion comprises a series of inflatable rubber inner tubes captured within a felt covering having a zipper and drawcords for installation and removal purposes.
申请公布号 US4547922(A) 申请公布日期 1985.10.22
申请号 US19840572116 申请日期 1984.01.19
申请人 BIVENS WINCHESTER CORPORATION 发明人 BIVENS, DAVID J.
分类号 B60S3/06;(IPC1-7):B60S3/06 主分类号 B60S3/06
代理机构 代理人
主权项
地址