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US 2015/0308190 A1Published application
Step ladder
AssigneeTricam Industries, Inc.
InventorsJeff Skubic, Dennis D. Simpson, Ben Williams, Yongxue Lu
Life of this patent
Estimating the term…
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
Claims17
A ladder, comprising:
- a first frame;
- a second frame;
- a fixed step coupled to the first frame;
- and
- a platform assembly, including:
- 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,
- wherein the ladder is configured to be movable between a closed position and an open position.
8 more elements
A ladder, comprising:
- a first frame having a thickness;
- a second frame;
- and
- a platform assembly, including:
- a first platform pivotably coupled to the first frame;
- and
- a second platform pivotably coupled to the first frame,
- wherein the ladder is configured to be movable between an open position and a closed position and wherein the platform assembly is configured to be positioned at least partly within a boundary defined by the thickness when the ladder is in the closed position.
5 more elements
Dependencies are inferred from the claim text.