Patent US3751305A successfully refreshed from Google Patents.
US3751305A
Expired / Lapsed
US
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Adjustable spring-loaded temperature sensing device
Assignee: Ikon Office Solutions Inc
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Filing: 1971-03-10
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Granted: 1973-08-07
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Expires: 1991-03-10
Abstract
Abstract An adjustable spring-loaded temperature sensing device includes a flexible armored cable which is utilized as a spring for biasing a tip portion of a temperature sensing unit into operative position.
Inventors
- 👤 D Huebscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:38
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/14
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
117 words
The device of claim 1 wherein said resilient hollow element comprises a spirally coiled spring element having a plurality of adjacent coils, said spring element having a first internal diameter in a relaxed condition thereof, said spring element being longitudinally compressible to a compressed condition by moving said adjacent coils toward one another and having a second internal diameter in said compressed condition thereof which is greater than said first internal diameter, said cylindrical portion having a diameter greater than said first internal diameter, said end portion of said spring element having adjacent coils thereof positioned closer together than the other adjacent coils in said spring element when said cylindrical portion is received in said end portion.
Claim 2
Dependent Claim
35 words
The device of claim 2 wherein said spring element comprises a flexible armored cable having a continuous closed outer periphery formed by a spirally coiled strip defining a plurality of adjacent coils having overlapping edges.
Claim 3
Dependent Claim
88 words
The device of claim 1 wherein said cylindrical portion includes a threaded portion having a spiral thread formed therein and an unthreaded shank portion between said shoulder and said threaded portion, said resilient hollow element comprising a spirally coiled spring element having longitudinally-spaced adjacent coils, said end portion of said spring element having coils thereof threaded onto said threaded portion, and said end portion including coils compressed together on said shank portion between said shoulder and said threaded portion for locking said spring element onto said tip portion.
Claim 4
Dependent Claim
160 words
An adjustable spring-loaded temperature sensing device comprising; an elongated flexible closed conduit having an end portion, an elongated temperature sensing unit extending through said conduit and having a tip portion extending axially beyond said end portion of said conduit, fastener means attached to said end portion of said conduit in a fixed axial position against axial movement relative to said conduit for fastening said end portion of said conduit to another member, said fastener means having an internal spiral thread, a spirally coiled longitudinally resilient spring element having a plurality of adjacent coils, said spring element having a spring element end portion attached to said tip portion and an opposite portion threaded into said spiral thread on said fastener means, said fastener means and said spring element being rotatable relative to one another for selectively threading said spring element into and out of said fastener means for locating said tip portion at selectively variable axially-spaced positions from said fastener means.
Claim 5
Dependent Claim
20 words
The device of claim 5 wherein said fastener means is rotatable in a fixed axial position relative to said conduit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |