Device for inspecting, sampling or extracting at a precise...

Details Device for inspecting, sampling or extracting at a precise... Device for inspecting, sampling or extracting at a precise...

2005-10-04

2005-10-04

Lillis, Eileen D. (Department: 3652)

Material or article handling

Static receptacle and means for charging or discharging, or...

Nongravity discharging means

C414S313000, C254S395000, C254S413000

Reexamination Certificate

active

06951442

ABSTRACT:
A tool (7) for sampling or extracting the contents of a pit (4) is suspended from a cable (8) passing through a narrow opening (3) in a slab (2) covering the pit. A crosspiece (13) hooked to guide cables (11) which converge on it makes it possible to displace the lifting cable (8) under the slab (2) according to different movements imposed by winches (10). Thus it is possible to move the tool (7) to the desired point with great precision and without having to descend into the pit (4).

REFERENCES:
patent: 4049357 (1977-09-01), Hamisch, Jr.
patent: 4289437 (1981-09-01), Hansen
patent: 4465418 (1984-08-01), Norton
patent: 4663114 (1987-05-01), Cransac et al.
patent: 4836125 (1989-06-01), Ballantyne et al.
patent: 5223280 (1993-06-01), Ogata et al.
patent: 5379657 (1995-01-01), Hasselman et al.
patent: 5526989 (1996-06-01), Staples et al.
patent: 34 15 299 (1985-10-01), None
patent: 35 24 857 (1987-01-01), None
patent: 36 13 038 (1987-10-01), None

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