Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
130 words
A gear measuring feeler comprising: a housing; a feeler rod pivotably mounted in said housing and deflectable from a predetermined position; said feeler rod having a first end and a second end; a feeler probe mounted to said first end of said feeler rod; a measuring system comprising two members which are movable relative to each other; one of said two members being supported at said second end of said feeler rod; said two members comprising means for generating a static magnetic field and a Hall-effect generator; said measuring system generating electrical signals proportional to the deflection of said feeler rod from said predetermined position; a matching circuit operatively connected to said measuring system to receive and standardize said electrical signals; and said matching circuit being mounted inside said housing.
Claim 2
Dependent Claim
130 words
A gear measuring feeler comprising: a housing; a feeler rod pivotably mounted in said housing and deflectable from a predetermined position; said feeler rod having a first end and a second end; a feeler probe mounted to said first end of said feeler rod; a measuring system comprising two members which are movable relative to each other; one of said two members being supported at said second end of said feeler rod; said two members comprising means for generating a static magnetic field and a Hall-effect generator; said measuring system generating electrical signals proportional to the deflection of said feeler rod from said predetermined position; a matching circuit operatively connected to said measuring system to receive and standardize said electrical signals; and said matching circuit being mounted inside said housing.
Claim 3
Dependent Claim
46 words
The gear measuring feeler as defined in claim 1, wherein: said means for generating a static magnetic field comprise a magnet support and two permanent magnets; and said two permanent magnets being diametrically arranged on opposite sides of and in spaced relationship from said Hall-effect generator.
Claim 4
Dependent Claim
40 words
The gear measuring feeler as defined in claim 2, wherein: said magnet support forms said one of said two members which is supported at said second end of said feeler rod; and said Hall-effect generator being mounted at said housing.
Claim 5
Dependent Claim
40 words
The gear measuring feeler as defined in claim 2, wherein: said magnet support is mounted at said housing; and said Hall-effect generator forming said one of said two members which is supported at said second end of said feeler rod.
Claim 6
Dependent Claim
26 words
The gear measuring feeler as defined in claim 2, further including: a concentrator ring surrounding said magnet support; and said concentrator ring being made of steel.
Claim 7
Dependent Claim
38 words
The gear measuring feeler as defined in claim 1, wherein: said Hall-effect generator comprises an integrated circuit mounted at a ceramic base plate; and said integrated circuit containing a Hall-effect generator element, a voltage regulator and an amplifier.
Claim 8
Dependent Claim
75 words
The gear measuring feeler as defined in claim 1, wherein: said Hall-effect generator has an output; said matching circuit comprising a series connection of two operational amplifiers having an input, a zero compensation circuit including a reference voltage generator and having an output; and said input of said series connection of said two operational amplifiers being connected to said output of said Hall-effect generator as well as to said output of said zero compensation circuit.
Claim 9
Dependent Claim
22 words
The gear measuring feeler as defined in claim 2, wherein: each of said two permanent magnets is made of a samarium-cobalt alloy.