Class 33/391 - Pendulum

Subclass of Class 33 - Geometrical instruments
Definition: Device wherein the responsive portion is a body, so supported
No. of patents: 143
Last issue date: 12/13/2011

«First «Previous1 2 3 4 Next»Last»

Number	Title	Issue Date
8074367	Motion sensor for measurement in a dynamic environment of co-existing tilt and horizontal acceleration A motion-sensing device for sensing tilt and acceleration when either tilt, horizontal acceleration, or tilt and horizontal acceleration acting concurrently, influence the device, including: a substrate having a vertical surface, a first accelerometer fixed to the v...	12/13/2011
8074366	Sensor and method for motion measurement of co-existing tilt and horizontal acceleration A motion-sensing device for sensing tilt and acceleration when either tilt, horizontal acceleration, or tilt and horizontal acceleration acting concurrently, influence the device, including: a substrate, a first tilt sensor fixed to the top of the substrate; a pendu...	12/13/2011
7913407	Inclinometer Embodiments of the invention provide an inclinometer that is compact, can be easily read with a vertical or horizontal line of sight, and/or readily convey a preferred range of incline angles for an operational sluice box. ...	03/29/2011
7845087	Apparatus and method for measuring and controlling pendulum motion A magnetically damped inclinometer has a shaft with attached pendulum that rotates. The rotation causes an index member to rotate past one or a set of magnets or electromagnets that are connected to the load. The magnet or electromagnet may be mounted directly to th...	12/07/2010
7484305	Gauge for use in a surgical procedure A gauge for use in a surgical procedure, including a body with a plumb bob mounted to the body. The plumb bob hangs from the body under the influence of a local gravitational field. More particularly, the plumb bob is rotatable relative to the body in both a first p...	02/03/2009
7430809	Inclination sensor Is disclosed an inclination sensor for detecting a tilted state of a case by detecting by a magnetic sensor a magnetized portion of a pendulum type movement mounted rotatably on a shaft in accordance with inclination of the case, wherein the shaft fitted with a clea...	10/07/2008
7395605	Apparatus and method for measuring and controlling pendulum motion A magnetically damped inclinometer has a shaft with attached pendulum that rotates. The rotation causes an index member to rotate past one or a set of magnets or electromagnets that are connected to the load. The magnet or electromagnet may be mounted directly the l...	07/08/2008
7392593	Angle meter and spirit level The angle meter and spirit level apparatus can be affixed to a ladder and used to determine the angle at which the ladder is placed. The apparatus is also self-verifying in that it provides a way to know that the apparatus is operating properly. The apparatus also a...	07/01/2008
7383637	Inclination sensor and method of attaching the same Is disclosed an inclination sensor for detecting an inclination of a vehicle body in both lateral and longitudinal directions by a pendulum type movement rotatably supported on a rotation shaft mounted in the case, wherein the rotation shaft of the movement in the c...	06/10/2008
7353615	Anti-vibration tilt detector The tilt detector has a container with a receptacle located therein. The receptacle has open and closed ends. In its normal, upright orientation, a first mass is located inside of the receptacle. A second mass is located adjacent to the open end of the receptacle. W...	04/08/2008
7325322	Electric park brake inclinometer A tilt sensor system (10) is provided comprising a housing (12), a magnetized region (13) within the housing (12), and a magnetized, articulated pendulum (14) magnetically coupled to the magnetized region (13) for suspending...	02/05/2008
7318283	Inclination sensor An inclination sensor includes: a case having a turning shaft section projected in a lateral direction on a front surface thereof; magnetism detecting means fixed on an upper side of the turning shaft section; a pair of magnets fixed in parallel to a rear surface of...	01/15/2008
7305771	Rotation sensor A rotation sensor comprising a Y-shaped strip and a conducting strip is disposed in a digital imaging device. The conducting strip is disposed below the Y-shaped strip. The Y-shaped strip has two sensing arms and a fixed arm. A metal piece is disposed on each of the...	12/11/2007
7272891	Automatic plumbing device This invention relates to an automatic or self plumbing device and method for maintaining survey or data collection or reflection equipment in a vertical plumb position despite horizontal and/or vertical changes of position of the device or vehicle with the device a...	09/25/2007
7178377	Inclination sensor An inclination sensor is provided with a main body fixed to a vehicle, a pendulum supported by the main body so as to swing in response to an inclination of the vehicle, and a magnetic sensor that senses the inclination of the pendulum in order to detect as to wheth...	02/20/2007
7137209	Level 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
7121012	Apparatus and method for measuring and controlling pendulum motion A magnetically damped inclinometer has a shaft with attached pendulum that rotates. The rotation causes an index member to rotate past one or a set of magnets or electromagnets that are connected to the load. The magnet or electromagnet may be mounted directly the l...	10/17/2006
7089674	Angle-measuring gauge for motorcycles and the like An angle measuring guide includes a housing having a plurality of monolithically formed walls and an annular opening formed within selected ones of the walls. The rear wall has a planar surface for being directly mated with the motorcycle. A transparent lens is mono...	08/15/2006
7073269	Self-leveling laser alignment tool and method thereof A self-leveling laser alignment tool and method thereof which provides a laser beam in a substantially truly level or plumb orientation are disclosed. Magnetic attraction is used to compensate for leveling errors of an approximately or partially leveled pendulum pla...	07/11/2006
7047659	Multi-task promotional apparatus A promotional apparatus includes a housing having first and second openings and an elongated slot formed therein. A first measuring tape is disposed within the housing, and is retractably extendable from the housing via the first opening. A second measuring tape is ...	05/23/2006
6968627	Slope determination system A hand-held system for determining the slope of an element having an irregular surface, such as a shingled roof, or along a surface that is partially obscured by adjacent elements. The system comprises an inclinometer having a double indicator to provide two simulta...	11/29/2005
6966154	Earthquake protection consisting of vibration-isolated mounting of buildings and objects using virtual pendulums with long cycles The invention relates to an earthquake protection system that is entirely immune to seismic activity. According to the inventive method buildings and other objects are supported by Virtual Pendulums (Pv) designed as QuakeProtect Modules (56). Altho...	11/22/2005
6948253	Plumb-bob The improved plumb-bob is mainly consisted of a body section, a point section, and a fixing element, wherein a connecting means is arranged at the top of the body section by which it may be connected to a suspending cord, and the point section is a cylinder with a f...	09/27/2005
6941666	Forklift mast position indicator A device which is attachable to the mast of a forklift for indicating to the forklift operator the tilt angle of the mast in a vertical plane centered on the forklift includes a pivotably supported weighted pendulum, and an elongated activating arm secured to the up...	09/13/2005
6940642	Apparatus and method for stabilizing an optical tube on a base An apparatus and method for stabilizing an optical tube on a base wherein a tension adjuster adapted to adjust the tension between the optical tube and sideboard of the base is secured between a the optical tube and the sideboard. By turning the tension adjuster, te...	09/06/2005
6935035	Slopemaster A slope measurement instrument consistent with certain embodiments has a magnetic base with a compartment attached to the magnetic base, the compartment having an inner face and a clear outer face, with the inner face having indicia of angular graduations thereon, t...	08/30/2005
6925727	Dial-display measuring tool and one-revolution dial gauge Since a dial face (3) and an area indicator (4) are formed separately to be independently turnable, the area indicator (4) is not rotated even when the dial face (3) is rotated. With this arrangement, the area indicator (4) can ind...	08/09/2005
6922063	Apparatus and method for capacitive level sensor A capacitive sensor including a pendulum for electronically determining an indication of angular offset and a capacitive leveling device having such a capacitive sensor for leveling an associated reference surface. The capacitive sensor detects a difference in capac...	07/26/2005
6877240	Apparatus for indicating correct or faulty back posture An apparatus for indicating correct or faulty back posture comprises a housing and an indicator body. The housing is supported on the user's body. When the user's back posture or head position is incorrect, the indicator body moves and signals the user of the incorr...	04/12/2005
6874240	Angle measuring and level combination device An angle measuring and level combination device includes an elongated member having a first end, a second end, a top side, a bottom side, a first lateral side and a second lateral side. The elongated member has a length from the first end to the second end greater t...	04/05/2005
6848188	Laser alignment device providing multiple references A laser alignment device provides horizontal and vertical reference planes, lines, and points. The alignment device includes a pendulum assembly that supports a laser beam source assembly, two reflectors, and two motors. The laser beam source directs beams onto the ...	02/01/2005
6826844	Downsized sensor unit with increased accuracy A sensor unit includes a support body having a concave surface, a spherical body formed of a magnetic material and placed on the concave surface of the support body so as to roll freely thereon, a permanent magnet producing a magnetic field affecting the magnetic sp...	12/07/2004
6763599	Plumb bob apparatus A plumb bob apparatus comprises a rigid surface mount member for coupling at a proximal end to a surface. The surface mount member is rotatable about its axis. The plumb bob apparatus further includes a rigid device support member for pivotally coupling at a proxima...	07/20/2004
6722049	Inclination measurement apparatus Inclination measurement apparatus includes an indexable clinometer bearing turntable rotatable in a single plane between a pair of precisely reproducible diametrically opposite orientations with respect to the desired measurement axis for respectively issuing inclin...	04/20/2004
6694631	Alignment device utilizing components responsive to gravity A level indicator utilizing an alignment device, together with a power tool utilizing such a level indicator to determine when such a tool is held in a horizontal or vertical plane. An alignment device (10) has a first component part (12) with an arcuate ...	02/24/2004
6664534	Tilt sensing device and method for its operation A tilt sensing device and method for its operation, the device being of the type comprising a) a housing, b) a radiation transmitter and a radiation receiver arranged in or at the housing to form a beam path therebetween, c) a radiation obstructing or def...	12/16/2003
6651355	Range finder for bow hunter A device for determining the range/height of distant objects using the triangulation method. The device includes a palm-sized housing having merely four main components; (1) a retractable tape measure; (2) a sighting slot; (3) a pendulum and (4) a calibra...	11/25/2003
6625895	Servo-controlled automatic level and plumb tool A method and apparatus for leveling at least one output light beam in a construction tool. One embodiment of the apparatus includes a laser optical assembly for producing output light beams that define plumb, level, and right angle beams for use in constr...	09/30/2003
6594912	Electronic plumb indicator for monopoles, survey poles, global positioning antennas and the like Disclosed are electronic plumb indicators for monopoles, survey poles, global positioning antennas and the like. A exemplary plumb indicator comprises a substrate, a plumb bob suspended by a thread (e.g., wire, cable, string, etc.) and disposed over a fir...	07/22/2003
6546639	Inclination measurement apparatus Inclination measurement apparatus for measuring the inclination of a surface to the horizontal. The apparatus includes (a) a base plate for mounting the apparatus on the surface; (b) a ball bearing with i) a housing washer rigidly mounted on the base plat...	04/15/2003

«First «Previous1 2 3 4 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 33/391 - Pendulum