Invention Grant
- Patent Title: Step ladder
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Application No.: US14617441Application Date: 2015-02-09
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Publication No.: US10648234B2Publication Date: 2020-05-12
- Inventor: Jeff Skubic , Dennis D. Simpson , Ben Williams , Yongxue Lu
- Applicant: Tricam Industries, Inc.
- Applicant Address: US MN Eden Prairie
- Assignee: Tricam Industries, Inc.
- Current Assignee: Tricam Industries, Inc.
- Current Assignee Address: US MN Eden Prairie
- Agency: Patterson Thuente Pedersen, P.A.
- Main IPC: E06C1/393
- IPC: E06C1/393 ; E06C7/14 ; E06C1/16

Abstract:
A ladder including a first frame, a second frame and a platform assembly. The first frame includes one or more fixed steps. The platform assembly includes a first platform pivotably coupled to the first frame, a second platform pivotably coupled to the first frame, a first linkage coupled between the second frame and one of the first platform and the second platform, and a second linkage coupled to the first platform and the second platform. The ladder is movable between a closed position and an open position.
Public/Granted literature
- US20150308190A1 STEP LADDER Public/Granted day:2015-10-29
Information query
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