Ergonomic extendable/retractable ladder

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8387753
APP PUB NO 20080000723A1
SERIAL NO

11427896

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Importance

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Abstract

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An extendable/retractable ladder assembly includes a first column and a second column, the first column nesting in the second column, and a first rung coupled to, and extending from the second column. A ladder assembly bracket includes a collar portion, which extends about the second column, and a rung portion, which extends from the collar portion into the first rung. The collar portion may be gripped by a hand of an operator in order to position a thumb of the hand in engagement with a button to retract a locking pin of a latch assembly mounted within the rung portion of the bracket.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
CORE DISTRIBUTION INC113 WASHINGTON AVENUE NORTH MINNEAPOLIS MN 55401

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aizman, Craig S St. Louis Park, US 5 37
Hillukka, Bruce A Hanover, US 2 13
Kelly, Michael J Hastings, US 79 1002
Kieffer, Mitchell I Minneapolis, US 19 65
Shakal, Wayne A Taylors Falls, US 12 120

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