Class 33/443 - Both ends connected

Subclass of Class 33 - Geometrical instruments
Definition: Subject matter wherein the straightedge is attached to the
No. of patents: 37
Last issue date: 04/01/2008

Number	Title	Issue Date
7350306	Easy stairs Easy Stairs is an L-shaped device having a diagonal sliding rod attached to the two sides. Connectors with locking devices allow the diagonal rod to firmly affix to the sides at various locations. To use Easy Stairs, a user adjusts the diagonal rod along the edge of...	04/01/2008
7165334	Guide clamp A guide clamp including a generally, straight elongate guide bar, a first clamp assembly mounted at one end of the guide bar, a second clamp assembly slidingly mounted along the guide bar, the clamp assemblies being adapted to clamp a workpiece therebetween, an end ...	01/23/2007
7159498	Miter box for guiding a circular saw The invention relates to an improved miter box for guiding a handheld portable circular saw. The miter box facilitates several conventional workpiece trim cuts using a handheld portable circular saw, including 45 degree and 90 degree straightcuts, as well as 45 and ...	01/09/2007
6938528	Method and apparatus for stabilizing a workpiece An apparatus for supporting a molding article that is to be cut by a sawing device. The apparatus includes a bottom supporting surface having opposing front and rear edges and opposing first and second side edges. A first wall is included that is upstanding from the...	09/06/2005
6845565	Monitor device A monitor device for marking a reference location on a computer screen. The reference location can be, for example, a data point on the screen that a user needs to note. This would be advantageous, for example, when the user is checking a spreadsheet of data. Often ...	01/25/2005
6691972	Adjustable handrest for artists An adjustable handrest for artists which is capable of attachment to a frame for supporting a worksurface on which a painting or other work of art may be applied. The handrest includes an elongated hand support member which spans the work surface and each...	02/17/2004
6505411	T-square saw guide A portable saw guide and T-square and method of use where an accurate and straight saw cut is desirable. The T-square saw guide has an alignment arm and a flexible guide arm which can be quickly and accurately secured to a work piece such as a sheet of pl...	01/14/2003
6176018	Positioning device A measuring machine produces an essentially linear movement in a moving part by transforming rotary movement to linear movement through a transmission element having a high modulus of elasticity in a longitudinal direction, and which is flexible in a tran...	01/23/2001
5964041	Guide tool A guide tool for performing a work function step such as cutting or drawing a line along a workpiece including a guide plate having planar opposite sides, a longitudinal slot, a first straight guide edge substantially parallel with the slot, guide flanges...	10/12/1999
5271305	Base and clamping bar assembly A support assembly includes a base having end edges along which extend toothed racks for engagement of a clamping bar having meshing detents on its end portions, the clamping bar providing a guide track for a DIY mat cutter. The base is invertible to pres...	12/21/1993
4934061	Draughting tables, drawing boards, drawing instruments and analogous apparatus Drawing boards and drawing instruments for use therewith. The surface of the board (1) has a set of parallel-running, evenly spaced magnetic poles (2) across it. Each drawing instrument has a cylinder (10) with similar parallel magnetic poles running esse...	06/19/1990
4854048	Template for driver's dailey log book A template that facilitates record keeping by commercial bus and truck drivers. A plurality of parallel, elongate slots are formed in the template to guide the driver's marking pen across a page in a log book having preprinted driving periods printed ther...	08/08/1989
4717109	Adjustable traveling mahl and magnetic support for mounting artist's canvases A mahl in the form of a beam adjusted as to height over a base for support of an artist's canvas, with carriages at opposite sides of the base to carry the mahl in spaced relation over the base and supported canvas, with adjustment for said spaced relatio...	01/05/1988
4640018	Checkbook recording device A checkbook using conventional, standard bank checks and preprinted record keeping sheets in booklet form where the data written on the check is simultaneously transferred onto one of the preprinted recording sheets. A first template, insertable in an inn...	02/03/1987
4611406	Enclosure for electrical data input apparatus An enclosure for an electrical data input apparatus which is formed of a top section and a bottom section to form a case. The case has a top section which provides operational access to the electrical data input apparatus, such as a graphics tablet input ...	09/16/1986
4558522	Hand guide for painters or draftsmen A removable handguide for painters or draftsman, adapted to be secured on an easel, and comprising a frame constituted by an upper crosspiece, a lower crosspiece, and two uprights, and at least one horizontal bearing bar slidably mounted on the uprights. ...	12/17/1985
4490920	Guide clamp A guide clamp is disclosed which includes a clamping jaw at one end of a guide bar. An opposing shifting jaw is slidably carried on the guide bar to permit a workpiece to be embraced by the jaws. A pull rod associated with and parallel to the guide bar is...	01/01/1985
4445280	Brake for drafting parallel A braking assembly adapted for attachment to the extremity of a drafting parallel and to the underlying drafting table utilizes a stationary tensioned strand which engages locking means on the drafting parallel. The braking effect is secured by depressing...	05/01/1984
4394800	Guide clamp A guide clamp is disclosed which includes a clamping jaw at one end of a guide bar. An opposing shifting jaw is slidably carried on the guide bar to permit a workpiece to be embraced by the jaws. A pull rod associated with and parallel to the guide bar is...	07/26/1983
4381103	Straight edge guide Two rails, each having a straight edge, two ends and a cross section defining a channel, are placed in an end-to-end butting relationship to form a continuous straight edge. A joiner plate has an arcuate cross section and has lateral margins for being rec...	04/26/1983
4366626	Ruling device for the blind A board has indexed tracks along each side with parallel transverse bars having end feet riding in the tracks and a marker being laterally adjustable between successive like separated positions along the bars for setting a marking position on a sheet of p...	01/04/1983
4281572	Saw guide for angle cuts A guide for use with a powered hand saw for making controlled cuts in a workpiece at an infinite number of angles. The guide includes a pair of parallel spaced rails, a pair of carriages slidably mounted on the rails, and for each carriage, a clamping ass...	08/04/1981
4277896	Mechanism for controlling the displacement of a straight edge on a drawing board Fixed on the board (1) is a support (8) in which is rotatably mounted a shaft (7) which is rigid with two pulleys (5a, 5b) each cooperating with guide means (3a, 3b) respectively for the straight-edge. Mounted between the support (8) and the shaft (7) are...	07/14/1981
4254556	Portable drafting device for drawing parallel lines, comprising a working plane of flexible plastic material, adapted to be rolled A portable drafting device for drawing parallel lines, consisting of a rectangular flexible plastic material, two guides applied each on one of the short sides of the board, at least one slider adapted to slide on one of said guides, a rule fastened to at...	03/10/1981
4255226	Devices for aiding the preparation of graphic artwork A device for supporting and guiding a master sheet in relation to an item of artwork comprises a carrier in the form of a rectangular frame having means for locating a master sheet on the frame, an intermediate guide which cooperates with the carrier to r...	03/10/1981
4224742	Portable drawing apparatus A drafting set, including a drawing board and a T-square, the board having a foldable easel on its rear side for supporting the board in various adjustable positions, the T-square including a slidable shoe on its outward end for bearing against an edge of...	09/30/1980
4223447	Writing guide for clipboard or the like A writing guide for writing letters and words in a transverse line on a sheet mounted on the flat surface of a baseboard, includes a rectangular frame movable along a detent rod carried by the baseboard. The frame is rotatable around the rod to enable the...	09/23/1980
4213248	Navigational aid device for determining direction in a chart A navigational aid to define the direction relative to a reference direction of a line between two designated points on a chart of the kind comprising a base surface for the chart, a rotatable direction indicating member having one or more directional ind...	07/22/1980
4162578	T-square An improved T-square which is self-supporting consists of a main body and a carriage. The main body consists of an elongated straight edge member having a head at one end thereof formed with a mounting channel for receiving a marginal edge portion of a dr...	07/31/1979
4095345	Straight edge assembly A straight edge assembly for an artist's canvas having a slotted arm and a pair of slotted clamping assemblies coupled to opposite ends of the slotted arm. Each of the clamping assemblies is in turn adapted to clamp to oppositely positioned frame members ...	06/20/1978
4047304	Drafting board with adjustable straight-edge assembly A drafting board includes a pair of laterally spaced base members which are pivotable upon supporting elements. The base members carry a drawing surface which is thus also pivotable. A straight-edge assembly having at least one ruling edge is carried by t...	09/13/1977
4027395	Apparatus for alignment of plaid fabric on a cutting table Apparatus for the alignment of plaid fabric on a cutting table includes a pair of datum elements clampable to the opposite sides of a cutting table. The datum elements each have a transverse recess defined by parallel vertical faces. Each of the datum ele...	06/07/1977
4010547	Drafting machine A drafting machine is provided including a drafting frame, a continuous guide groove on the surface of the frame along each side thereof, spaced slide elements disposed in the groove and at least one drawing instrument pivotally connected to the slide ele...	03/08/1977
3979832	Sliding surface for a drafting board A sliding surface for a drafting board allowing a draftsman to adjust a sheet of drawings on the drafting board by moving the drawing up and down without having to adjust or realign the drawing to maintain the square and straight lines thereof, the device...	09/14/1976
3975827	Measuring apparatus Apparatus for use with graphic material supported on a planar surface. Two identical clamps, upon which a reeling means is mounted, are connected by a tape and mounted on the edge of the planar surface. The clamps are U-shaped and have a longitudinal slit...	08/24/1976
3930314	Drafting machine A drafting machine in which parallel support rails moveably support a rule or straight edge extending perpendicularly therebetween so the rule is moveable in parallelism with itself. The rule has a replaceable graduated working edge and carries an endless...	01/06/1976

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Class 33/443 - Both ends connected