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US 7,546,773 B2Granted
Pressure gauge
OwnerScott Wuinventor
Life of this patent
Estimating the term…
Abstract
A pressure gauge includes a core, a first dial, a first hand, a second dial, a second hand and a gear system. The core includes a body, a joint connected to the body and a Bourdon tube connected to the body. The first dial is connected to a side of the core for showing a large range of pressure. The first hand is located on the first dial. The second dial is connected to an opposite side of the core for showing a small range of pressure. The second hand is located on the second dial. The gear system connects the Bourdon tube to the first and second hands.
Claims20
A pressure gauge comprising:
- a core comprising a body, a joint connected to the body and a Bourdon tube connected to the body;
- a first dial connected to the core for showing a large range of pressure;
- a first hand located before and moveable relative to the first dial;
- a second dial connected to the core for showing a small range of pressure;
- a second hand located before and moveable relative to the second dial;
- and
- a gear system connecting the Bourdon tube to the first and second hands, with the first and second hands simultaneously moveable relative to the first and second dials by the gear system.
4 more elements
A pressure gauge comprising:
- a core comprising a body, a joint connected to the body and a Bourdon tube connected to the body;
- a first dial connected to a side of the core for showing a large range of pressure;
- a first hand located before the first dial;
- a second dial connected to an opposite side of the core for showing a small range of pressure;
- a second hand located before the second dial;
- and
- a gear system for connecting the Bourdon tube to the first and second hands, wherein the gear system comprises:
- a pin;
- a rocker mounted on the pin and formed with a rack and a connector in contact with the Bourdon tube;
- a first shaft connected to the first hand and formed with a large gear and a small gear engaged with the rack;
- and
- a second shaft connected to the second hand and formed with a gear engaged with the large gear of the first shaft.
9 more elements
Dependencies are inferred from the claim text.