Reel for a life-line

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4463830
SERIAL NO

06356448

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A reel for a life-line comprising a frame, a winding member rotatably journalled in said frame and damping means connected on the one hand with the frame and on the other hand with the winding member for counteracting the rotation of the winding member, said damping means comprising at least two piston pumps axially arranged side by side in a pump housing and cam discs, the cylinder chambers of said piston pumps communicating with one another by an axial channel forming a restriction and the pistons being in contact with the surfaces of the cam discs relatively off-set by half a cam interval, said winding member extending around the damping means, said cam discs being formed by rings and each piston pump being radially arranged inside a ring, while the axial channel is in line with a bore extending from a head face of the pump housing.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MACHINEFABRIEK GEURTSEN DEVENTER B VNL-7413 BA DEVENTER

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Geurtsen, Alfonsus A Deventer, NL 4 21

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