Class 33/478 - Folding or separable

Subclass of Class 33 - Geometrical instruments
Definition: Subject matter wherein the straightedges are adjustable
No. of patents: 27
Last issue date: 04/17/2007

Number	Title	Issue Date
7204031	Telescoping T-square The telescoping T-square has a crossbar or cross-member and an extendable shaft or leg. The cross-member is a relatively short bar having a pair of parallel runners longitudinally extending across the length of one surface of the bar and a slot defined through the b...	04/17/2007
7191534	Handheld layout and marking tool A handheld layout and marking tool including a rule-like member and a sliding handgrip for sliding to a user desire position. The sliding handgrip preferably includes an integrally formed braking device rendering a one hand operable combined sliding handgrip and bra...	03/20/2007
7174650	Sliding ruler square The present invention is a sliding ruler square that provides an adjustable and extendible straightedge element permitting a user to conveniently scribe lengthy cut lines at pre-selected angles across a work piece typically utilized in the construction industry with...	02/13/2007
7007731	Base frame for fixture A base frame for holding fixtures used in woodwork includes an extruded body having a raised top central portion formed into a dovetailed open-topped upper channel, two lowered wing portions located at each lateral side of the upper channel and formed into two symme...	03/07/2006
6964111	Folding drywall square A drywall square having a straight long arm of at least forty-eight inches. The long arm has a first end and a second end, wherein the long arm is segmented into a plurality of sections between those ends. A straight short arm intersects the long arm. A first hinged...	11/15/2005
6935041	Modular framing tool Disclosed is a modular framing tool and a method for beam framing. The modular framing tool of the present invention comprises alignment members attached to a common body portion. In one embodiment, the tabs are permanently and rotatably attached with a locking mech...	08/30/2005
6807743	Square level An improved tool comprising a carpenter's combined level and square includes: (a) a first elongated, straight section having distal and proximate ends and a centerline therebetween, with the proximate end having a flat surface whose upper part forms a 45 degree angl...	10/26/2004
6442856	Extendable tool for use marking angular lines An expandable tool for laying out and marking predetermined angular layout lines on a work surface. The tool is comprised of a first leg (202), second leg (204), and hypotenuse leg (206) which are assembled by the user such that the intersection of the fi...	09/03/2002
5832618	Combination level and T-square A combination level and T-square comprising an elongate level sensing section and an elongate T-bar section which can be alternately removed from or rigidly connected to the level sensing section in three locations to form three different configurations, ...	11/10/1998
5819427	Carpenter's pull-apart framing square A carpenter's square that can have the arms thereof separated for ease of storage and joined together during use includes a over-center latch arrangement designed to be no thicker than the thickness dimension of the arm members and which, when operated, t...	10/13/1998
5771597	Device for connecting the arms of an angle A device for connecting the arms 4 of an angle, in particular a construction angle, comprises a corner piece 1 with two rails 5 which are at right angle to each other and to which the arms 4 which are formed by straight battens are connected by clamping b...	06/30/1998
5598637	Auxiliary rule of tile cutter An auxiliary rule of the tile cutter has a body provided centrally and axially with a long slot. The body is further provided at one end thereof with an arm portion perpendicular to the body which is further provided with a connection portion. The arm por...	02/04/1997
5433011	Combination interlocking segmented level A collapsible, compound level apparatus is provided and includes a first linear leveling section and a second linear leveling section. Each section includes at least one flat surface for contact with a work surface, and first and second bubble levels arra...	07/18/1995
5377418	T-square, and methods of construction and utilizing same A T-square device with a mechanism for efficient adjustment thereof. The device includes a scale, base, and trigger mechanism. The trigger mechanism is spring-loaded for automatic locking of the base to the scale. Applying a force on the trigger counterac...	01/03/1995
5367783	Layout template tool for positioning building materials The layout tool is used for marking the positions for building materials, such as studs, joists, rafters, trusses and rough door opening trimmer studs, before nailing in permanent position on wall plates and sill plates. The layout tool has templates that...	11/29/1994
5353509	Multi-purpose T-square and level combination tool A multi-purpose combination tool for forming an enlarged T-square or, alternately, an elongated carpenter's level to facilitate installation of wall panels, doors, windows, signs and the like. The tool comprises an arm and a cross member rigidly mountable...	10/11/1994
5323541	Template for laying out a one-piece cover for a stair step First and second longitudinal body portions are hinged longitudinally together and include adjustable end extensions which adjust the width of the body portion to the width of the stair tread surface and also the riser surface, whereby to form a cutting p...	06/28/1994
5245758	T-square attachment for carpenter's level An attachment for a carpenter's level to create a T-square comprises an integrally molded head member having a rectangular socket formed therein and extending perpendicular to reference edges defined by opposed parallel spaced-apart side walls. By inserti...	09/21/1993
5141232	Golf swing training system and method A golfer's square includes a ball position pointer or the like. The ball position pointer includes an elongate substantially parallel-sided pivotable rule with a pivot end and a pointer distal to the pivot end, and the ball position pointer or the like is...	08/25/1992
4987685	Foldable accounting guide A guide having a unique folding construction which enables the guide to have all of its components oriented in a straight line condition or enabling the end components to be oriented in perpendicular relation through a novel hinge structure at the junctur...	01/29/1991
4910876	Level attachment An attachment for connection with an elongated carpenter's level for forming an enlarged squaring tool, the level having a central web portion with spaced apart bubble indicators and parallel flanges at opposite end edges of the web portions. The attachme...	03/27/1990
4674192	Accounting guide A guide for use by bookkeepers, accountants, auditors and the like in association with ledger sheets, journals, spread sheets and the like having informational indicia associated in horizontal rows and vertical columns to enable such information to be mor...	06/23/1987
4580352	Foldable template for laying out stairway stringers and methods of using the same A foldable template for laying out stairway stringers includes a plurality of step-defining members each having, in fixed relation, a tread-defining edge and a rise-defining edge and, for each pair of successive step-defining members, a corresponding inte...	04/08/1986
4423554	Insulation depth gauge An insulation depth gauge for measurement of insulation depths within an attic at remote locations has a handle for extending linear measuring means to remote locations and indicia to indicate the depth of insulation at that location....	01/03/1984
4361964	Lay out square This invention relates to a lay out square which can be folded from a flat position for storage to a position wherein the legs are substantially perpendicular to each other. A body comprising first and second legs spaced apart equal distances form a U-sha...	12/07/1982
4357755	Column pad layout device, anchor bolt layout device, and layout methods A column pad layout fixture having a pair of intersecting cross-arms and a third arm fixed to the intersecting pair of arms. An anchor bolt layout having an elongated rod and a cooperating cross-arm. A method of placing and fixing an anchor bolt plate acc...	11/09/1982
4327501	Square adapter for level Mounting structure is provided for support from one side of an elongated body of a carpenter's level having a window extending transversely therethrough and opening through the aforementioned one side of the body. The mounting structure pivotally supports...	05/04/1982

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Class 33/478 - Folding or separable