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US 2016/0257542 A1Published application
Stepless ladder assembly and methods of utilizing same
OwnerThomas G. Duffinventor
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Abstract
A stepless ladder is provided that may comprise a frame adapted to support the weight of a user, a track attached to a portion of the frame, an escalating member attached to the track, the escalating member for supporting the weight of the user, and an escalating assembly adapted to raise and lower the escalating member along the track.
Claims2
A lifting mechanism comprising:
- an escalating member attached to a track;
- a lever;
- an escalating assembly for moving the escalating member, wherein the direction of travel of the escalating member and the escalating assembly is determined by a range-of-motion imparted to the lever, the escalating assembly comprising:
- a plurality of supports;
- a first locking disc comprising portions adapted to engage the plurality of supports;
- a second locking disc comprising portions adapted to engage the plurality of supports;
- a link member connected to the second locking disc and the lever.
4 more elements
Dependencies are inferred from the claim text.