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Class 33/25.1 - Parallelogram type


Subclass of Class 33 - Geometrical instruments
Definition: Subject matter in which the connection between the tracing
No. of patents: 27
Last issue date: 05/20/2008


NumberTitleIssue Date
7373727Adjustable angle and miter finder
An apparatus for determining the angle between two adjacent objects such as the corner of a wall or the pitch of a roof, and the appropriate angle of a corresponding miter cut. The apparatus includes a base member that is configured in a substantially planar manner....
05/20/2008
7310884Adjustable golden section indicator and method for loci transfer
An adjustable device to locate and transfer the positions of golden section points from a source image to a secondary surface, comprising a plurality of paired blades that are coupled to pivot at the golden section points that occur along the length of the blades an...
12/25/2007
7131470Fence router table system
A table with a working surface has a parallel rail on each side of the working surface. A slide assembly includes a shaft with ends and a pair of brackets. Each bracket has a hole. The holes receive the ends of the shaft. The slide assembly includes cylindrical tunn...
11/07/2006
7043849Multifunction caliper instrument for the arts
A multifunction instrument comprising four movable parts, including a first leg 12, an identical second leg 14, a pointer arm 16, and a connecting arm 18. Pointer arm 16 and connecting arm 18 are permanently but pivotally co...
05/16/2006
6425185Machine for reproducing writing
A machine reproduces writing, in particular a signature, using a pantograph carrying a fountain pen or the like. Two branches of the pantograph have respective operating shafts coupled to respective rotational drive means including electric motors....
07/30/2002
6223444Remote sensor apparatus and method
The present invention comprises an arrangement for the remote sensing and recordation of information about a body component. The arrangement includes a stylus held within a support head. The support head has an electrode therein for the detection and reco...
05/01/2001
6038780Remote sensor apparatus and method
The present invention comprises an arrangement for the remote sensing and recordation of information about a body component. The arrangement includes a stylus held within a support head. The support head has an electrode therein for the detection and reco...
03/21/2000
6026701"Master-slave" remote manipulation apparatus having six degrees of freedom
A "master-slave" remote manipulation apparatus having six degrees of freedom. The apparatus includes a flexible parallelogram with two parallel arms hinged to a cross member with one degree of rotational freedom and to a frame with two degrees of rotation...
02/22/2000
5616917Device for measuring an angle between pivotally-connected members
A device for measuring an angle between pivotally connected, intersecting sides of a parallelogram includes a grating having a pattern of parallel, straight grating lines formed on a substrate, and a read head. The grating is mounted in a fixed position w...
04/01/1997
5491477Anti-rotation mechanism for direct manipulation position input controller for computer
An apparatus for inputting and controlling the position of a pointer on a computer screen without permitting any rotation of the apparatus relative to the marker is described. The apparatus comprises a pantagraph device, namely a plate, connect by two arm...
02/13/1996
5165175Reverse image drawing apparatus
A mirror image apparatus for use with a pantograph for drawing, engraving, milling, and similar applications wherein tracing and creating a mirror or reverse image is required. The apparatus is characterized by broadly having a stylus which operates betwe...
11/24/1992
5009013Device in machines for the marking of workpieces
The present invention provides a device to be used in machines which mark workpieces with characters or other symbols and have marking tools for applying the symbols to the workpiece, and elements for selecting the symbols and controlling the movements of...
04/23/1991
4974326Guide-pin
A guide-pin for use in tracing templates and stencils, having a first portion, a second portion and a third portion, the guide-pin having a single piece construction. The second portion and the third portion extend in a common plane and hold the first por...
12/04/1990
4554740Pantographs
The disclosure illustrates a pantograph comprising a pair of parallel guides slideably and pivotally mounted on a base support which is mounted to a table. A saddle supporting a stylus is mounted on one end of the guides and another saddle slideable on th...
11/26/1985
4527341Angle determinator of parallelogram type
An angle determinator comprises four hingedly interconnected links. These links form jointly a parallelogram having its apexes constructed as pivot joints. At one of the apexes of the parallelogram the links are rotatably connected to a bar which is provi...
07/09/1985
4493152Lettering machine
A lettering machine is disclosed, which comprises a tracer support mechanism supporting a tracer at a corner such that the tracer can be freely moved to trace a letter or the like engraved on a tracing plate, a parallelogrammic horizontal component transm...
01/15/1985
4483074Method for locating a point by its coordinates and a device for accomplishing same
A device and method for locating a point with preset coordinates x and y in an orthogonal system of coordinates with an X and a Y axes. The device has a planetary train kinematically connected to a mechanical arm via a single four-link parallelogram. The ...
11/20/1984
4444997Device for generating electric signals representing the position coordinates of a stylus on a reference surface
A device for generating electric signals representing the position coordinates of a stylus on a reference surface, characterized in that it comprises a signal generator (6) that is fixed with respect to the reference surface and comprising a movable part ...
04/24/1984
4397090Reproportioning graphical pantograph
A graphical pantograph having four pivotable bars and a guide track in which two guide pins slide. The pantograph is provided with a tracer pin and a marker pin which extend through a common plane. The guide pins and the tracer and marker pins can be inte...
08/09/1983
4320943Carriage support arrangement for a microfiche reader
A microfiche reader is disclosed herein and includes a projection screen and an optical arrnagement adapted to cooperate with a microfiche for providing an enlarged image of the latter on the screen. The reader also includes an assembly for supporting the...
03/23/1982
4297060Engraving machine
A mechanism for duplicating an image includes a pantograph mechanism which is carried on a slide which may be selectively moved axially to position the pantograph. Carried on the pantograph is a cutting or marking device which may be readily interchanged....
10/27/1981
4168651Trophy plate centering device
A generally rectangular flat housing is connected with one clamp of a self-centering work holder of an engraving machine for movement therewith. The housing slidably and pivotally supports a plurality of links connecting a control shaft with a pair of spa...
09/25/1979
4158257Pantograph integrally formed or molded of plastic material
A pantograph which is integrally molded of plastic material and as an integral unit comprises a plurality of links, with certain of said links having an integrally formed leg, pin and bearings, with one of the links having means for receiving and supporti...
06/19/1979
4141145Method and apparatus for producing evident permanent surface markings on a glazed surface
Method and apparatus for producing evident permanent surface markings, such as for serializing, hall-marking, identifying and/or personalizing, on a glazed surface without refiring or piercing the surface, by metal deposition and bonding from a guided con...
02/27/1979
4099446Pantograph copying attachment
The attachment is intended for use with a machine tool comprising rotary tool means and a rotary spindle for driving said tool means and comprises a shaft adapted to be connected to said spindle for rotation therewith, a rotary bearing carried by said sha...
07/11/1978
3949481Layout instrument for sheet-material fabrication
A layout instrument for constructing the two-dimensional sheet pattern which defines a cylindrical article having longitudinal elements of varying lengths, each of which are parallel to the axis of the cylinder, wherein an oblique plane passes through the...
04/13/1976
3936942Optical pantograph
An optical pantograph for directing light beams and the like from a source to a receiver according to the movement of a pointer. The device can be used for, among other things, directing a laser beam and the like to a target for etching patterns on a targ...
02/10/1976
 
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