
US Patent No: 4,652,878
Number of patents in Portfolio can not be more than 2000
Trim indicator for boats with outboard propeller drive units
Stats
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Mar 24, 1987
Issued date -
Sep 18, 1984
filing date -
06/651,847
serial no -
Expired
status
Importance
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Abstract
An indicator instrument for boats with outboard drive units which can be adjusted to various angles in relation to the transom and which has an indicator, preferably an LCD which shows the angle of the drive unit within the entire adjustment range, and an indicator, preferably an LED stack, which provides a rough indication of the drive unit setting within the trim angle range.
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First Claim
Related Publications
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,459,115 Outboard motor vertical trim indicator | 9 | 1982 | |
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| 4,420,741 Trim tab position monitor and display device | 17 | 1981 | |
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| 4,493,656 Tilt-up angle sensing system for inboard-outboard drives | 7 | 1984 | |
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| 4,340,936 Microprocessor navigational aid system | 22 | 1980 | |