Trailer depth gauge

Details Trailer depth gauge Trailer depth gauge

2011-01-25

2011-01-25

Pope, Daryl (Department: 2612)

Communications: electrical

Visual indication

C340S686100, C340S332000, C340S331000, C280S414100, C280S414200, C280S414300

Reexamination Certificate

active

07876234

ABSTRACT:
A gauge gives a driver of a tow vehicle a visual cue that the trailer is at a proper depth within the water to recover a boat onto the trailer. The gauge has a tubular member that has a top with a red light bulb and a green light bulb thereon. A housing is attached to the tubular member and longitudinally adjusted along a length of the tubular member as needed. A switch, controlled by a float, is located within the housing, such that when there is no water in the housing, the float is at rest and causes the switch to connect the red light bulb to electricity. As water enters the housing, the float rises with the rising water level in the housing and causes the switch to disconnect the red light bulb from and connect the green light bulb to the electricity.

REFERENCES:
patent: 5515025 (1996-05-01), Barrows
patent: 6616166 (2003-09-01), Marchese
patent: 7692557 (2010-04-01), Medina et al.
patent: 2003/0137124 (2003-07-01), Marchese
patent: 2004/0211351 (2004-10-01), Emerson et al.
patent: 2008/0117030 (2008-05-01), Medina et al.

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