US3902371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid sample probe apparatus
Assignee: Bayer Corp
•
Filing: 1974-01-11
•
Granted: 1975-09-02
•
Expires: 1994-01-11
Abstract
Abstract Liquid sample probe apparatus for an automated sample analyzer, including a movably mounted suction intake tube having an inlet end for immersion in liquid of a succession of containers, a device to move the tube to raise and lower the tube inlet end to present the latter successively to the containers, and a motion damper to damp the raising movement of the tube inlet end from the contents of such a container to prevent throw of fluid from the tube.
Inventors
- 👤 James F Hooper
- 👤 Edwin H Mernyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:47
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/10; G01N35/1095
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
66 words
Sampler probe apparatus for delivery of a series of discrete liquid samples from from respective upwardly arranged receptacles, comprising: an element including an aspirating tubular probe having a suction inlet, a support for said element, means to move said support element between A lower sampling position and an upper non-sampling position, and means between said element and said support for damping upward movement of said element.
Claim 2
Dependent Claim
66 words
Sampler probe apparatus for delivery of a series of discrete liquid samples from from respective upwardly arranged receptacles, comprising: an element including an aspirating tubular probe having a suction inlet, a support for said element, means to move said support element between A lower sampling position and an upper non-sampling position, and means between said element and said support for damping upward movement of said element.
Claim 3
Dependent Claim
39 words
Apparatus as defined in claim 1, wherein: said means between said element and said support comprises means damping upward movement of said element during a predetermined displacement of said element on movement of the latter toward said upper position.
Claim 4
Dependent Claim
39 words
Apparatus as defined in claim 1, wherein: said means between said element and said support comprises means coupling said element and said support for bodily movement together toward said upper position after witdrawal of said probe from such liquid.
Claim 5
Dependent Claim
46 words
Apparatus as defined in claim 1, wherein: said probe aspirates sample and said probe end is a suction inlet, said motion damping means comprising a first element in which a second element is retractible and extensible therefrom, said probe being fixed to one of said elements.
Claim 6
Dependent Claim
29 words
Apparatus as defined in claim 1, wherein: said motion-damping means comprises an element, one of said elements comprinsing a cylinder and the other of said elements comprising a piston.
Claim 7
Dependent Claim
44 words
Apparatus as defined in claim 5, wherein: said cylinder and piston define an expansible air chamber therebetween, and said cylinder and piston further define therebetween a restricted air passage open to the ambient atmosphere for the ingress and egress of air from said cylinder.
Claim 8
Dependent Claim
23 words
Apparatus as defined in claim 1 further including a resilient bumper in fixed relation to said probe for abutment with the corresponding receptacle.
Claim 9
Dependent Claim
33 words
Apparatus as defined in claim 6, further including a valve controlling a second air passage through the end portion of said cylinder remote from the end portion thereof from which said piston extends.
Claim 10
Dependent Claim
14 words
Apparatus as defined in claim 6, wherein: said probe is fixed to said piston.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |