- 专利标题: Adjustable ladders and related methods
-
申请号: US16284801申请日: 2019-02-25
-
公开(公告)号: US10648233B2公开(公告)日: 2020-05-12
- 发明人: N. Ryan Moss , Gary M. Jonas , Chad Grotegut , Sean R. Peterson , Brian B. Russell , Stephen E. Boynton , Ryan Crawford , Darius S. Penrod
- 申请人: Wing Enterprises, Incorporated
- 申请人地址: US UT Springville
- 专利权人: WING ENTERPRISES, INCORPORATED
- 当前专利权人: WING ENTERPRISES, INCORPORATED
- 当前专利权人地址: US UT Springville
- 代理机构: Dorsey & Whitney LLP
- 主分类号: E06C1/12
- IPC分类号: E06C1/12 ; E06C7/00 ; E06C7/42
摘要:
The present invention relates to ladders and, more particularly, various configurations of ladders including straight and extension ladders, as well as to methods relating to the use and manufacture of such ladders. In accordance with one embodiment of the present invention, a ladder is provided that includes a first pair of spaced apart rails and a plurality of rungs extending between and coupled to the first pair of spaced apart rails. The ladder also includes a pair of lateral support members, wherein each support member is selectively displaceable in a lateral direction relative to an associated rail. Additionally, the ladder includes a pair of adjustable legs, each leg having a first end slidably coupled to an associated rail of the first pair of spaced apart rails and being slidably coupled to an associated lateral support member.
公开/授权文献
- US20190186200A1 ADJUSTABLE LADDERS AND RELATED METHODS 公开/授权日:2019-06-20
信息查询