Device for measuring tire pressure and tire tread depth
First Claim
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1. A device for measuring an internal pressure and a tread depth of a tire comprising:
- a body having an elongated bore which accommodates a pressure sensing and measuring unit, and an adapter to connect said pressure sensing and measuring unit to an inflating valve of the tire,said body further having a first slide groove extending adjacent said bore, a slide piece received in said first slide groove, means for preventing said slide piece from escaping, and graduation marks provided on said slide piece,said slide piece having a bottom tapered end to extend out from said first slide groove to a tread of the tire and a front face to be exposed from said first slide groove, said first slide groove having a bottom end to permit said bottom end of said slide piece to move outward, and a front open end to expose said front face of said slide piece.
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Abstract
A safety device includes a compacted body accommodating a pressure gauge for determining the internal pressure of a tire and a unit for determining the degree of wear caused to the tread of a tire, which includes a slide ruler to measure the depth of the indentations in the tread of the tire. The slide ruler is received in a slide groove provided in the body of the device and associated with graduation marks which show the depth of the indent in the tire tread when the slide ruler extends thereinto.
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Citations
7 Claims
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1. A device for measuring an internal pressure and a tread depth of a tire comprising:
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a body having an elongated bore which accommodates a pressure sensing and measuring unit, and an adapter to connect said pressure sensing and measuring unit to an inflating valve of the tire, said body further having a first slide groove extending adjacent said bore, a slide piece received in said first slide groove, means for preventing said slide piece from escaping, and graduation marks provided on said slide piece, said slide piece having a bottom tapered end to extend out from said first slide groove to a tread of the tire and a front face to be exposed from said first slide groove, said first slide groove having a bottom end to permit said bottom end of said slide piece to move outward, and a front open end to expose said front face of said slide piece. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification