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Class 33/791 - Optical indicator


Subclass of Class 33 - Geometrical instruments
Definition: Subject matter having means for conveying information which
No. of patents: 10
Last issue date: 04/18/2006


NumberTitleIssue Date
7028567Process as well as device for measuring a component amount released during a thermo-chemical treatment of metallic work piece from the gaseous atmosphere
The invention concerns a process for the measurement of the amount of a component that is released from a gaseous atmosphere during the thermo-chemical treatment of metallic work pieces. In order to provide a measurement system that offers the opportunity even in th...
04/18/2006
6510879Device of depth index of a planing machine
A device of depth index of a planing machine includes a bottom base, an upper base, an index device and a sensor device. The upper base is fitted with an index device at a preset position in the front. A push rod is pushed up to activate the index device ...
01/28/2003
6308755Wood planing machine
A wood planing machine includes a base, a cutter carriage, a rotary cutter adapted to shave a workpiece, a height adjusting unit, and a shaving thickness indicator including a seat having a bottom opening, a supporting member mounted on the seat and havin...
10/30/2001
6283180Wood planing machine
A wood planing machine includes a base having posts and a seat mounted on the posts, a cutter carriage mounted on the posts, a rotary cutter mounted on the cutter carriage, a height adjusting unit for adjusting the height of the cutter carriage, and a hei...
09/04/2001
6283181Wood planing machine
A wood planing machine includes a base having posts, a pair of seats mounted on the posts, and a hollow supporting rod interconnecting the seats and formed with a slot. The wood planing machine further includes a cutter carriage mounted on the posts, a ro...
09/04/2001
6279628Wood planing machine with improvement relating to a thickness adjustment device
A wood planing machine includes left and right pairs of posts fixed uprightly at left and right mounting sides of a machine base. A cutter carriage is disposed above the machine base, and has opposite end portions mounted respectively, vertically and mova...
08/28/2001
5392527Annulus measuring device
Measuring device for quickly and accurately determining the thickness of an annulus between two cylindrical members, such as the catalyst retaining screens of a radial flow reactor, at any point along its length or circumference, comprises a wheeled cart ...
02/28/1995
4678948Measuring device error monitoring system
A system for error monitoring in a photoelectric incremental length measuring device for the measurement of the relative position of two objects is described. The measuring device generates at least one measuring signal obtained during the scanning of a s...
07/07/1987
4495952Apparatus for measuring jaw movement
An apparatus for the contactless measuring of the movement in three dimensions of the jaw and of the condyle in the temporo-mandibular joint respectively comprising opto-electronic signal transmitters and signal receivers between which light signals are t...
01/29/1985
4459749Hand-held measuring implement
A hand-held measuring implement comprises a transparent scale-carrying member provided with a graduated scale. A reading unit is movable along said scale in unison with a feeler and comprises photoelectric receivers, which scan the graduated scale through...
07/17/1984
 
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