Invention Grant
- Patent Title: Foldable ladder
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Application No.: US15428554Application Date: 2017-02-09
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Publication No.: US10233692B2Publication Date: 2019-03-19
- Inventor: Mitchell I. Kieffer , Nathan L. Schlueter , Allen A. Caldwell
- Applicant: Core Distribution, Inc.
- Applicant Address: US MN Minneapolis
- Assignee: Core Distribution, Inc.
- Current Assignee: Core Distribution, Inc.
- Current Assignee Address: US MN Minneapolis
- Agency: Fredrikson & Byron, P.A.
- Main IPC: E06C1/32
- IPC: E06C1/32 ; E06C1/12 ; E06C7/42 ; E06C7/08
Abstract:
A foldable ladder has a first ladder portion and a second ladder portion hingedly attached to the first ladder portion by a pair of hinge mechanisms. Each hinge mechanism adapted to lock the first and second ladder portions such that the first ladder portion and the second ladder portion form an angle therebetween. The hinge mechanism has a locking pin to lock the first and second ladder portions at an angular position. Each rung is connected to a column by a connector assembly having first and second release buttons.
Public/Granted literature
- US20170145745A1 FOLDABLE LADDER Public/Granted day:2017-05-25
Information query
