Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1982-12-27
1985-01-01
Little, Willis
Geometrical instruments
Straight-line light ray type
Structurally installed
B60R 2700, G01C 1500, B60Q 900
Patent
active
044909179
ABSTRACT:
A vehicle docking aid is disclosed in which a docking indicator is suspended by cord means attached to the door or wall of a garage. Intermediate hooking means are provided to raise the indicator out of the way when the garage is empty and the door is up. When hooked to the top of the garage door, the indicator is automatically disengaged when the door is lowered and the indicator thus returns to its normal position.
REFERENCES:
patent: 2166520 (1939-06-01), Challoner
patent: 2854942 (1958-10-01), Ross
patent: 3011263 (1961-12-01), Unger
patent: 3165143 (1965-01-01), Jackwig
patent: 3439728 (1969-04-01), Martini
patent: 3793981 (1974-02-01), Sparks
patent: 3817203 (1974-06-01), Brauer
patent: 3844050 (1974-10-01), Lynn
patent: 3874322 (1975-04-01), Brauer
Carroll Leo R.
Little Willis
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