LIFTING MECHANISM FOR SCISSOR ATTIC STAIRS, ATTIC STAIRS, AND METHOD OF LIFTING ATTIC STAIRS USING A LIFTING MECHANISM
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
N/A
Issued Date -
Apr 10, 2025
app pub date -
Oct 7, 2024
filing date -
Oct 7, 2024
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The subject-matter of the invention comprises a hoist mechanism for attic scissor stairs, attic stairs and method of hoisting attic stairs concertina ladder using hoist mechanism, wherein the hoist mechanism with an electric drive is constructed out of load bearing frame (5), half-frame (62) with electric drive (72) suspended from it, and half-frame (61) is constructed out of lateral stile (61) and two side stiles (62), so that half-frame side stiles (62) are mounted using articulated joints to load bearing frame (5) wherein each side stile (62) features lifting system (13) for lifting attic stairs concertina ladder (3), wherein lifting system (13) assumes a passive and an active position during hoist mechanism operation.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully