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Class 33/365 - Level or plumb, terrestrial gravitation responsive


Subclass of Class 33 - Geometrical instruments
Definition: Device responsive to terrestrial gravitation and establishing
No. of patents: 130
Last issue date: 05/22/2012


1        
NumberTitleIssue Date
8181354Inclination position sensor and inclination position sensor manufacturing method
An inclination position sensor where, on a substrate on which wires are formed, plural electrodes electrically connected to the wires are disposed, a conductive ball that can simultaneously contact at least two of the plural electrodes is disposed, an enclosure that...
05/22/2012
7987607Inclination sensor
The inclination sensor (A1) according to the present invention includes a pair of light receiving elements (4A, 4B), a light emitting element (5) for directing light to the light receiving elements (4A, 4B) and a case (2
08/02/2011
7937846Inclination position sensor and inclination position sensor manufacturing method
An inclination position sensor where, on a substrate on which wires are formed, plural electrodes electrically connected to the wires are disposed, a conductive ball that can simultaneously contact at least two of the plural electrodes is disposed, an enclosure that...
05/10/2011
7921573Monitoring verticality of a sinking caisson
A method of monitoring verticality of a sinking caisson having a tip. A pole is inserted into the earth to a pole depth substantially corresponding to a desired final depth of the caisson tip, one or more levels are coupled to the pole, and an elevation of the level...
04/12/2011
7866055Level provided with impact-absorbing end caps
The present invention provides a level having a body which has a first end, a second end opposed to the first end, and a plane surface which connects the first and second ends, at least one level indicating device mounted to the body, and two end caps which are moun...
01/11/2011
7845086Inclination sensor
The inclination sensor (A1) according to the present invention includes a pair of light receiving elements (4A, 4B), a light emitting element (5) for directing light to the light receiving elements (4A, 4B) and a case (2
12/07/2010
7832112Vial-mounting structure
A level including an elongate hollow frame with two sidewalls and a topwall extending therebetween, a topnotch defined by the walls which have notch-defining edges including non-vertical surfaces, and a vial within the topnotch. A vial-mounting structure includes a ...
11/16/2010
7770298Securement arrangement for a level end cap
An end cap feature for a level includes a frame having a gauging surface and a web which extends at an angle relative to the gauging surface. The web includes a recess adjacent to an end of the frame. The web recess opens onto the end of the web and extends inwardly...
08/10/2010
7536797Spirit level
The invention relates to a spirit level comprising a spirit level body (10) which is made from a spray-injected thermoplastic material with at least one recess (22) for a spirit level. In order to embody the spirit level body (10) such that it i...
05/26/2009
7409772Apparatus and methods for level and/or straight edge tools
The present invention is directed generally to tools that are lightweight, high quality, durable, rigid and strong. For example, various tools used to level items and/or as a straight edge for aligning or drawing lines on items may be designed in an improved or augm...
08/12/2008
7377046Inclination sensor and azimuth measuring apparatus using inclination sensor
A mobile device or the like having a 3-axis electronic compass is rotated, and the outputs from magnetic sensors disposed in the three axis directions are input to a first arithmetic processing unit (11) so as to obtain the magnetic data X, Y, and Z. By input...
05/27/2008
7363719Pocket level
A pocket level having a detachable line level whose bubble vial doubles as the pocket level's horizontal bubble vial, and an angle finder for enabling the determination of the angle of an inclined surface which includes a bubble vial housed in a wheel rim directly r...
04/29/2008
7360316Level
The level of the invention consists of a solid, thin central web that is connected to an upper box and a lower box. The central web supports level vials. The upper box and lower box have a hollow generally polygonal shape and define an upper surface and lower surfac...
04/22/2008
7340841Slope level
A slope level for measuring the slope of a surface is provided. The slope level includes a body having a front face and a back face and defining a first planar measurement surface. A transparent arced tube is disposed on the body. The arced tube has a first end and ...
03/11/2008
7313871Archery sight
An improved laser sight apparatus that is capable of identifying and impinging several different targets at varying ranges from the shooter. In the preferred embodiment, the laser sight according to the present invention includes three lasers, each of which is pre-c...
01/01/2008
7281335Carpenter's level
A level assembly includes a main level with a base wall, end supports at opposite ends of the base wall and at least one intermediate support extending from the base wall at a location between the end supports. Bubble tubes may be mounted in the end supports and/or ...
10/16/2007
7278218Laser line generating device with swivel base
A base for a light generating device or a leveling device, having a first surface that includes a connection structure to receive and mount either a light generating device or a leveling device thereto, and a second surface including a nonmechanical attachment struc...
10/09/2007
7263778High contrast spirit-level vial
A spirit-level vial comprising a transparent vessel containing a globule of a first liquid suspended in a medium comprising a second liquid, wherein said transparent vessel is essentially completely filled by said medium, and wherein said globule is capable of movin...
09/04/2007
7249777Camber tube level
A level on a wheelchair allows the cambered rear wheels to be easily adjusted to eliminate toe-in/toe-out. The level comprises a ball encased in a curved track. The curve track is formed in a clear housing that mounts to the underside of a wheelchair camber tube or ...
07/31/2007
7243435Level device and method of calibrating a level vial
The level device includes a level body having a pair of orthogonal reference surfaces. A vial carrier on the level body holds the level vial such that it can be calibrated with respect to the reference surfaces by rotation about a pair of orthogonal axes, each of th...
07/17/2007
7243431Trailer hitch alignment device
The invention is a trailer hitch alignment device that synergistically combines a laser level with an alignment mounting bracket, where the bracket, using a fastening means, provides a base on a vehicle for affixing the laser level to a vehicle. The laser level prov...
07/17/2007
7243433Laser level with adjustable laser projection line
A laser level with adjustable laser projection line comprises a support bracket, a housing, a switch, a laser generator which project a fanned laser beam to the surface of the work piece to form a line, and wherein a rotating mechanism is coupled to rotate the laser...
07/17/2007
7228637Impact-absorbing end caps for levels
An impact-absorbing end cap for an instrument such as a level is provided that is secured to an end of the level and has an outer portion and an intermediate portion. The intermediate portion is positioned between the outer portion and the body of the level and is s...
06/12/2007
7174647Laser line projector with spherically rotatable support and level/plumb indicators for the support
A spherically rotatable support for a light image projector has level and/or plumb indicators for leveling or plumbing a central reference frame of its spherical rotation. A projected light image, such as a laser line segment of relatively short length may be succes...
02/13/2007
7171755Picture hanging level
A level designed for use in hanging pictures is disclosed. The level is proportioned to be easy and convenient to use in conjunction with a picture frame, having a pair of perpendicular legs that can rest on a corner of a picture frame and a level vial positioned wi...
02/06/2007
7168175Decorative frame molding
A decorative frame molding includes a generally rectangular structure having a top, a bottom, a right side, a left side, a front side, and a back side. A recess is formed along the back side of the structure within which an adhesive may be placed in order to mount t...
01/30/2007
7159325Bow sight with fiber optics
A bow sight having a support structure, and two or more vertically aligned vertical pins connected to the support structure is provided. At least two of the vertical pins include a sight point. In accordance with another aspect of the invention, a bow sight having a...
01/09/2007
7150107Structure and method for holding and protecting vials in levels
A level and a method of forming such a level are disclosed. The level comprises a body having a measuring surface and a recess, a vial positioned in the recess at an angular relationship to the measuring surface, and a ring member enclosing the vial within the reces...
12/19/2006
7150106Method of using a level
A water or spirit level is composed of an elongated body, preferably of metal, at least one bubble mounted in the elongated body, and end caps, preferably of plastics material, at the end faces of the elongated body, wherein at least one outer surface of the elongat...
12/19/2006
7137209Level and protractor
A level and protractor tool (100) includes a body (102) with three sections. The first section (106) includes a spring clip (108) mounted on the body. The spring clip is adapted to be attached to an item that is to be bent or otherwise me...
11/21/2006
7134212Laser level
A laser level disposable on a reference surface includes a housing, a pendulum pivotably connected to the housing, a first laser diode disposed on the pendulum for emitting a first laser beam along a first path, a first lens disposed on the pendulum in the first pat...
11/14/2006
7131209Apparatus for measuring horizontal level of a wafer chuck
An apparatus for measuring a horizontal level of a wafer chuck, including a measuring part for contacting the wafer chuck to measure a horizontal level, a mounting part on which the measuring part is mounted, and a supporting part for supporting the mounting part. T...
11/07/2006
7117606Pocket-sized leveling tool
A leveling tool having: a body, including a first face and an opposite second face, the first and second faces defining a thickness between them, the body defining a first side surface, a second side surface opposite said first side surface, a first end surface, and...
10/10/2006
7086167Overmolded vial for use with a level
A vial for use in a level and a method of forming such a vial are disclosed. The vial includes a cylinder having an inner surface defining a cavity, and a material molded around the cylinder. The vial preferably includes at least one marker ring positioned between t...
08/08/2006
7073270Impact-absorbing end caps for levels
An impact-absorbing level is disclosed. The level comprises a body including a level face for measuring a surface, a vial mounted in the body at a predetermined angular relationship to the level face, and a first end cap fixed with respect to the first end, the firs...
07/11/2006
7069661Laser leveling device having selectable light beam
A laser leveling device includes a laser instrument disposed in a housing, a plate slidably received in the housing and a lens attached to the plate. The lens includes two or more portions having different patterns to generate different light beams when the laser in...
07/04/2006
7069665Correcting foot alignment
A component system of footwear corrective alignment insoles provides adjustment of the alignment of a human foot based upon evaluation and measurement of structural anomalies in the foot. A subtalar joint goniometer measures the angular alignment of the foot with a ...
07/04/2006
7040030Laser centering device
A laser centering device (30) that is attached to a survey apparatus by replacing it with a centering telescope optical system is formed of an inner barrel (32) that fixes a pentagonal prism (40) at one end thereof and is internally provided wit...
05/09/2006
7027480Laser level
A laser level disposable on a reference surface includes a housing, a laser diode disposed within the housing for emitting a laser beam along a path, a lens disposed in the path for converting the laser beam into a planar beam. The planar beam thus forms a line on t...
04/11/2006
7013570Stud finder
A stud finder for a light generating device, having a surface and a connection structure on the surface to removably mount either a light generating device or a leveling device thereto. ...
03/21/2006
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