发明授权
- 专利标题: Constant level scaffold adapted for use with a tilt bed truck
- 专利标题(中): 适用于倾斜床卡车的恒定水平脚手架
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申请号: US878258申请日: 1978-02-16
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公开(公告)号: US4137994A公开(公告)日: 1979-02-06
- 发明人: Donald Wood
- 申请人: Donald Wood
- 专利权人: Donald Wood
- 当前专利权人: Donald Wood
- 主分类号: B66F11/04
- IPC分类号: B66F11/04 ; E04G1/18
摘要:
A versatile, low cost scaffold is constructed of commonly available materials and is adapted to be placed upon the bed of a tilt bed truck. When thereupon placed, the platform of the scaffold remains level as it is raised by tilting the bed of the truck. The scaffold comprises a lower portion which rests upon and is securely fastened to the bed of the truck. An upper portion, which includes the platform and safety rails of the scaffold is connected to the lower portion on one side by means of a hinge.
公开/授权文献
- US5288437A Process to produce thin film 公开/授权日:1994-02-22