Latch releasing mechanism for water samplers

Details Latch releasing mechanism for water samplers Latch releasing mechanism for water samplers

1976-02-09

1977-06-07

Woodiel, Donald O.

Measuring and testing

Measuring vessel

G01N 110

Patent

active

040275388

ABSTRACT:
A Kemmerer style water sampler has a tubular body open at both ends and through which extends a connecting rod. The lower end of the connecting rod is fixed to a closure for the lower end of the body. The upper end of the connecting rod is releasably latched to an upper closure and carries a latch member which is engageable by and disengageable from a pair of clasp members mounted on the upper closure for movements in directions into and out of latching position. Each clasp member is provided with an upstanding motion transmitting member having inclined, confronting surfaces spaced apart to provide a chamber. Reciprocably accommodated in the chamber is an operating member that is tapered complementally to the inclination of the surfaces of the motion transmitting members so that movement of the operating member axially in one direction effects movement of the clasp members out of latching engagement with the latch member, thereby enabling the upper and lower closures to seal the opposite ends of the body.

REFERENCES:
patent: 3277723 (1966-10-01), Bodman et al.
patent: 3841162 (1974-10-01), Duperon

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