Reel for a life-line
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United States of America Patent
Stats
-
Aug 7, 1984
Grant Date -
N/A
app pub date -
Mar 9, 1982
filing date -
Feb 16, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MACHINEFABRIEK GEURTSEN DEVENTER B V | NL-7413 BA DEVENTER |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Geurtsen, Alfonsus A | Deventer, NL | 4 | 21 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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