发明名称 |
Support device for use in the building and maintenance of sloping roofs |
摘要 |
The device comprising a support member ( 10 ) connected to a base ( 12 ) by a joint ( 18 ), and at least one support arm ( 14, 16 ) extending between the support member ( 10 ) and the base ( 12 ) at a location remote from the joint ( 18 ). A rung-engaging element ( 20 ) is carried by the base ( 12 ) and extends in a direction away from the support member ( 10 ) to engage the rungs ( 22 ) of a roof ladder ( 24 ). The support member ( 10 ) has a support surface ( 46 ) which in use lies in a generally horizontal plane while the base ( 12 ) lies generally adjacent and parallel to the plane of the roof ( 26 ).
|
申请公布号 |
US2005194212(A1) |
申请公布日期 |
2005.09.08 |
申请号 |
US20040790681 |
申请日期 |
2004.03.03 |
申请人 |
BOARD JAMES;BOARD JAMES A. |
发明人 |
BOARD JAMES;BOARD JAMES A. |
分类号 |
E06C7/00;(IPC1-7):E06C7/00 |
主分类号 |
E06C7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|