Extension ladder with groove box rails and method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12163379
APP PUB NO 20210198944A1
SERIAL NO

16795132

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Importance

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Abstract

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An extension ladder having a base section having a first box shaped base rail having a base side and a groove extending along the side. The extension ladder has a fly section having a first box shaped fly rail, and a follower bracket attached to the first box shaped fly rail and extending outward toward the first box shaped base rail. The groove is sized to engage the follower bracket which constrains the fly section to have limited motion relative to the base section and a left to right and front to rear directions while permitting the fly section to slide freely relative to the base section when the fly section is extended. A method for using an extension ladder. A method for producing an extension ladder.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
WERNER CO555 PIERCE ROAD SUITE 300 ITASCA IL 60143

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dacic, Slavisa Hanover Park, US 8 15
Parker, Thomas W Jamestown, US 84 892
Pozgay, David S Wilmette, US 13 100
Stumpf, Daniel R Franklin, US 2 2

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