Step stool and method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9151113
APP PUB NO 20140238778A1
SERIAL NO

14273189

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A folding step stool includes a front rail assembly. The step stool includes a rear rail assembly, pivotally connected to the front rail assembly, having a crossbar. The step stool includes a step pivotally attached to the front rail assembly having notches which fit over the crossbar when the stool is in an open position. The step stool includes a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar. The linkage assembly compresses to allow the notches to fit over the crossbar and the linkage assembly exerting a force to maintain the crossbar in the notches when the stool is in the open position. A method for securing a step stool includes the steps of moving the notches of a step against a crossbar of a rear rail assembly pivotally connected to a front rail assembly of the step stool. There is the step of compressing a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar to allow the notches to fit over the crossbar. There is the step of exerting a force with the linkage assembly to maintain the crossbar in the notches when the stool is in the open position.

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First Claim

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Family

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Patent Owner(s)

  • WERNER CO.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Parker, Thomas W Jamestown, US 81 803

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