Cam action door closer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11396768
APP PUB NO 20210277697A1
SERIAL NO

17193440

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Importance

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Abstract

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A cam action door closer comprising a body, a spring, a speed control channel system and a latching control channel system, a closing control piston having a piston head and a circular side. The closing control piston has a cutting on the side of the closing control piston and on the piston head, the cutting forming a control edge at its end. The cutting has a length between the piston head and the control edge. The speed control channel system comprises a speed connecting channel, which is located in such a way that the control edge is arranged to close it.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddress
ABLOY OY80100 JOENSUU

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Juntunen, Harri Joensuu, FI 9 56

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