US3619083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fishline cutter for marine propulsion units
Assignee: Brunswick Corp
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Filing: 1969-06-02
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Granted: 1971-11-09
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Expires: 1989-06-02
Abstract
Abstract A cutter is mounted on the inner end of the propeller hub of an outboard marine propulsion unit to cut fishlines which become entangled upon the propeller and protect the gearcase seal from damage by the line.
Inventors
- 👤 Wilbur E Witte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:57
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/24; B63H20/26; B63H5/00; B63H5/07; B63H5/16; B63H5/165
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
105 words
The combination in a marine propulsion device having an underwater gearcase with a generally horizontal propeller shaft extending rearwardly therefrom and sealed therewith to retain lubricant in the gearcase, said shaft carrying a propeller and a propeller hub submerged in the water rearwardly of said seal, of a fishline cutter mounted within the hub and between the propeller and said seal to rotate with said shaft and preventing winding of entangled fishline upon the shaft adjacent said seal, said cutter comprising a thrust collar secured upon the shaft and carrying outwardly extending teeth and said propeller having a forward end bearing against said thrust collar.
Claim 2
Dependent Claim
105 words
The combination in a marine propulsion device having an underwater gearcase with a generally horizontal propeller shaft extending rearwardly therefrom and sealed therewith to retain lubricant in the gearcase, said shaft carrying a propeller and a propeller hub submerged in the water rearwardly of said seal, of a fishline cutter mounted within the hub and between the propeller and said seal to rotate with said shaft and preventing winding of entangled fishline upon the shaft adjacent said seal, said cutter comprising a thrust collar secured upon the shaft and carrying outwardly extending teeth and said propeller having a forward end bearing against said thrust collar.
Claim 3
Dependent Claim
40 words
The construction of claim 1, in which said propeller is resiliently mounted upon the shaft and said fishline cutter comprises a washer carried by said thrust collar and having outwardly extending teeth thereon adapted to cut a fishline winding thereon.
References Cited (Backward Citations)
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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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |