US4467648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator for water examining instrument
Assignee: Mitsubishi Electric Corp
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Filing: 1982-07-27
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Granted: 1984-08-28
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Expires: 2002-07-27
Abstract
Abstract An elevator particularly suitable for outdoor uses for lifting up and down a water examining instrument, in which a water examining instrument (3) is swingable into a horizontal position from a vertical position or vice versa upon rotating an arm (16) by a handle (12) through a worm (14) and a worm wheel (15), the arm (16) being also turnable in a horizontal plane upon rotating a support column (5) by a handle (18).
Inventors
- 👤 Toshihiko Sasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:41
CPC Classifications
G; G01; G01D; G01D11/00; G01D11/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
77 words
An elevator for a water examining instrument, including an elevator frame mounted on and movable up and down along an upright support structure and a water examining instrument supported by said elevator frame through an arm, said elevator being characterized in that said water examining instrument is supported rotatably about a first rotational axis extending in the longitudinal direction of said arm and a second rotational axis extending in the direction of movement of said elevator frame.
Claim 2
Dependent Claim
77 words
An elevator for a water examining instrument, including an elevator frame mounted on and movable up and down along an upright support structure and a water examining instrument supported by said elevator frame through an arm, said elevator being characterized in that said water examining instrument is supported rotatably about a first rotational axis extending in the longitudinal direction of said arm and a second rotational axis extending in the direction of movement of said elevator frame.
Claim 3
Dependent Claim
30 words
The elevator as set forth in claim 1, wherein said water examining instrument is rotated about said first rotational axis by a mechanism including a worm and a worm wheel.
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) | 1987-08-28 | 1988-02-27 | 1988-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-28 | 1992-02-27 | 1992-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-28 | 1996-02-27 | 1996-08-28 | $7700.00 | Window Closed / Lapsed |