Geometrical instruments – Distance measuring – Opposed contacts
Reexamination Certificate
2000-03-09
2001-10-16
Hirshfeld, Andrew H. (Department: 2859)
Geometrical instruments
Distance measuring
Opposed contacts
C033S512000, C033S558010, C600S587000
Reexamination Certificate
active
06301799
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an electronic fat gauge, and more particularly to an electronic fat gauge that uses a clamping lever to clamp a fatty area of a user's body and a variable resistor and a control circuit to convert an open angle of the clamping lever into a value of measurement that is shown in a liquid crystal display for easy viewing by the user.
The fat gauge is an aid for body slimming. There is a scissors-shaped mechanical fat gauge commercially available in the market. This type of fat gauge includes leading jaws for clamping a fatty area of a user's body and rear turning arms that are opened by an angle when the leading jaws open the same angle to clamp the fatty area. A cyclograph is provided at a vertical end portion of the rear turning arms and an index table is provided on the cyclograph. The user finds an index on the cyclograph corresponding to the openness of the rear turning arms and then compares the index with information about age and sex listed in an index contrast table additionally provided along with the fat gauge. A result from the comparison of the index with the age/sex information tells the user whether he or she needs body slimming to remove extra fat. For example, when a measured result indicates too much fat at the user's belly or upper arms, the user may take suitable actions to remove fat at these areas. This mechanical type fat gauge is inconvenient to handle and it is troublesome for the user to check the index contrast table for final information about the measurement.
SUMMARY OF THE INVENTION
It is therefore a primary object of the present invention to provide an electronic fat gauge that can be easily handled to measure any fatty area of a user's body and any measured result may be directly shown on the gauge for viewing by the user.
The electronic fat gauge according to the present invention for achieving the above and other objects mainly includes a main body and a clamping lever pivotally mounted on the main body. The clamping lever includes a shorter depressing arm and a longer measuring arm extended from a middle pivot portion of the clamping lever in opposite directions. When the shorter depressing arm is depressed, the longer measuring arm is caused to open by a wide angle relative to the main body for conveniently clamping a fatty area of a user's body between the measuring arm and the main body. The open angle of the measuring arm is converted into a signal through a variable resistor connected to the middle pivot portion of the clamping lever, and the signal is further converted by a control circuit into a value of measurement for showing in a liquid crystal display on the main body.
REFERENCES:
patent: 1644967 (1927-10-01), Wettrich
patent: 3386173 (1968-06-01), Kiralfy
patent: 4127112 (1978-11-01), Sherlock et al.
patent: 4315372 (1982-02-01), Kinkead
patent: 5430954 (1995-07-01), Best et al.
Dougherty & Troxell
Hirshfeld Andrew H.
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