发明授权
- 专利标题: Runnerless roller sled
- 专利标题(中): 无滚轮滚筒雪橇
-
申请号: US871223申请日: 1978-01-23
-
公开(公告)号: US4134599A公开(公告)日: 1979-01-16
- 发明人: Dante DiMille , Edward Dredger , Thomas Passantino
- 申请人: Dante DiMille , Edward Dredger , Thomas Passantino
- 专利权人: Dimille Dante,Edward Dredger,Thomas Passantino
- 当前专利权人: Dimille Dante,Edward Dredger,Thomas Passantino
- 主分类号: A63C17/01
- IPC分类号: A63C17/01 ; A63C17/02 ; A63C17/14 ; A63C17/26 ; B62B11/00
摘要:
An improved runnerless roller sled comprises a bed; a longitudinal, laterally flexible support member discontinuously attached to the bed beneath the bed center line; a front pair and a rear pair of roller wheels attached to the front and rear sections, respectively, of the support member; a steering bar attached to the front section of the support member; and a pair of braking means for separately or simultaneously braking the rear pair of roller wheels and comprising pairs of brake levers, brake rods, brake rocker arms and brake shoes.
公开/授权文献
- US4739710A Apparatus for conveyance with the aid of a magnetic liquid 公开/授权日:1988-04-26
信息查询