Patent US3227985A successfully refreshed from Google Patents.
US3227985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary instrument brake
Assignee: Bourns Inc
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Filing: 1963-01-21
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Granted: 1966-01-04
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Wilbur T Hardison
- 👤 Wylie A Stout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:01
CPC Classifications
H; H01; H01C; H01C10/00; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7035; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20576; Y10T74/20636; Y10T74/2066; Y10T74/20732; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
238 words
A DEVICE ADAPTED FOR USE IN MANUALLY ADJUSTING AND LOCKING THE ROTARY ADJUSTMENT SHAFT OF A ROTARY INSTRUMENT ADAPTED TO BE MOUNTED OUTWARDLY OF A PANEL OR THE LIKE, SAID DEVICE COMPRISING: FIRST MEANS, COMPRISING A KNOB-LIKE STRUCTURE ARRANGED FOR SECURE ATTACHMENT TO THE INSTRUMENT SHAFT OUTWARDLY OF SUCH PANEL OR THE LIKE FOR ROTATION OF THE SHAFT INCIDENT TO MANUAL ROTATION OF SAID STRUCTURE, SAID KNOB-LIKE STRUCTURE HAVING A LONGITUDINALLY FLUTED SUBSTANTIALLY CYLINDRICAL EXTERIOR SURFACE; SECOND MEANS, COMPRISING A SLEEVE-LIKE MEMBER ARRANGED GENERALLY COAXIAL WITH SAID KNOB-LIKE STRUCTURE AND PRESENTING A TAPERED EXTERIOR SURFACE AS A CONTINUATION OF THE FLUTE EXTERIOR SURFACE OF SAID KNOB-LIKE STRUCTURE, SAID SECOND MEANS COMPRISING MEANS FOR PREVENTING ROTATION OF SAID SLEEVE-LIKE MEMBER; AND THIRD MEANS, COMPRISING AN ANNULAR SLEEVE-LIKE BAND DISPOSED ON SAID FLUTED EXTERIOR SURFACE OF SAID KNOBLIKE STRUCTURE AND HAVING AN INTERNAL SURFACE INCLUDING A SERRATED SURFACE INTERENGAGED WITH AND COMPLEMENTARY TO THE FLUTED SURFACE OF SAID KNOB-LIKE STRUCTURN WHEREBY THE BAND IS CONSTRAINED IN ALL POSITIONS TO ROTATE IN UNISON THEREWITH AND IS LONGITUDINALLY SLIDABLE THEREON TO AND FROM A POSITION AT WHICH AT LEAST A PORTION OF SAID INTERNAL SURFACE FRICTIONALLY ENGAGES SAID TAPERED EXTERIOR SURFACE, WHEREBY SAID BAND IS ALTERNATIVELY EFFECTIVE TO FRICTIONALLY LOCK SAID KNOB-LIKE STRUCTURE TO SAID SLEEVE-LIKE MEMBER WHEN FRICTIONALLY ENGAGED WITH SAID TAPERED EXTERIOR SURFACE OR EFFECTIVE TO PERMIT FREE ROTATION OF THE KNOB-LIKE STRUCTURE WHEN DISENGAGED FROM SAID TAPERED EXTERIOR SURFACE.
Claim 2
Independent Claim
238 words
A DEVICE ADAPTED FOR USE IN MANUALLY ADJUSTING AND LOCKING THE ROTARY ADJUSTMENT SHAFT OF A ROTARY INSTRUMENT ADAPTED TO BE MOUNTED OUTWARDLY OF A PANEL OR THE LIKE, SAID DEVICE COMPRISING: FIRST MEANS, COMPRISING A KNOB-LIKE STRUCTURE ARRANGED FOR SECURE ATTACHMENT TO THE INSTRUMENT SHAFT OUTWARDLY OF SUCH PANEL OR THE LIKE FOR ROTATION OF THE SHAFT INCIDENT TO MANUAL ROTATION OF SAID STRUCTURE, SAID KNOB-LIKE STRUCTURE HAVING A LONGITUDINALLY FLUTED SUBSTANTIALLY CYLINDRICAL EXTERIOR SURFACE; SECOND MEANS, COMPRISING A SLEEVE-LIKE MEMBER ARRANGED GENERALLY COAXIAL WITH SAID KNOB-LIKE STRUCTURE AND PRESENTING A TAPERED EXTERIOR SURFACE AS A CONTINUATION OF THE FLUTE EXTERIOR SURFACE OF SAID KNOB-LIKE STRUCTURE, SAID SECOND MEANS COMPRISING MEANS FOR PREVENTING ROTATION OF SAID SLEEVE-LIKE MEMBER; AND THIRD MEANS, COMPRISING AN ANNULAR SLEEVE-LIKE BAND DISPOSED ON SAID FLUTED EXTERIOR SURFACE OF SAID KNOBLIKE STRUCTURE AND HAVING AN INTERNAL SURFACE INCLUDING A SERRATED SURFACE INTERENGAGED WITH AND COMPLEMENTARY TO THE FLUTED SURFACE OF SAID KNOB-LIKE STRUCTURN WHEREBY THE BAND IS CONSTRAINED IN ALL POSITIONS TO ROTATE IN UNISON THEREWITH AND IS LONGITUDINALLY SLIDABLE THEREON TO AND FROM A POSITION AT WHICH AT LEAST A PORTION OF SAID INTERNAL SURFACE FRICTIONALLY ENGAGES SAID TAPERED EXTERIOR SURFACE, WHEREBY SAID BAND IS ALTERNATIVELY EFFECTIVE TO FRICTIONALLY LOCK SAID KNOB-LIKE STRUCTURE TO SAID SLEEVE-LIKE MEMBER WHEN FRICTIONALLY ENGAGED WITH SAID TAPERED EXTERIOR SURFACE OR EFFECTIVE TO PERMIT FREE ROTATION OF THE KNOB-LIKE STRUCTURE WHEN DISENGAGED FROM SAID TAPERED EXTERIOR SURFACE.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |