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Class 248/325 - Weights counterbalance


Subclass of Class 248 - Supports
Definition: Devices in which there is also provided a weight counterbalance
No. of patents: 41
Last issue date: 04/12/2011


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NumberTitleIssue Date
7922139Adjustable projector mount
A mount for attaching a projection device to an overhead structure includes a device interface operably attachable to the projection device and a device orientation adjustment structure operably coupled with the device interface. The device orientation adjustment st...
04/12/2011
7665702Medical support
A support, which may be a ceiling support, is designed to receive an operation microscope, and particularly may support a medical operation microscope. This support has a support column, movable around a rotation axis, with a first carrier arm and a second carrier a...
02/23/2010
7416163Support
A support is designed to receive an operation microscope. This support has a support column, movable around a rotation axis, with a first carrier arm and a second carrier arm which, with respect to the first carrier arm, can be moved around a first pivot axis and a ...
08/26/2008
7290744Break-away basketball goal system
A breakaway basketball goal system is provided for absorbing shocks during playing conditions. In embodiments of the invention, the basketball goal system includes a base, a neck movably coupled to the base, a backboard attached to a distal end of the neck, and a sh...
11/06/2007
7255311Stand, in particular for surgical microscopes, having an energy storage element
The invention concerns a stand arrangement having an energy storage element (7) and a displacement apparatus (18b) for rotating and/or shifting the proximal articulation point (9a) of the energy storage element (7), and an o...
08/14/2007
7254850Radial arm system for patient care equipment
A system for supporting patient care equipment alongside a patient support is provided. In one embodiment, the system includes a plurality of arms supported by a support structure. The arms may be pivoted to either side of the patient support. The arms may be stored...
08/14/2007
7177144Tilting apparatus of monitor
A monitor having a monitor body and a base member supporting the monitor body includes a link member positioned between the monitor body and the base member, a base hinge connecting one end of the link member with the base member in a tiltable manner to control the ...
02/13/2007
7095032Focusing of microscopes and reading of microarrays
Microscopes, including viewing and other microscopic systems, employ a hinged, tiltable plate to adjust focus on a flat object such as a microscope slide or biochip by motion, achieved by tilting, which is substantially normal to the focus point on the plane of the ...
08/22/2006
7065811Radial arm system for patient care equipment
A system for supporting patient care equipment alongside a patient support is provided. In one embodiment, the system includes a plurality of arms supported by a support structure. The arms may be pivoted to either side of the patient support. The arms may be stored...
06/27/2006
7059574Arm apparatus for mounting electronic devices
An extension arm suitable for mounting a flat-screen electronic peripheral device, including a forearm extension having at one end a first coupling for attachment to a tilter, a platform or other means for supporting a flat-screen device and at the other end a secon...
06/13/2006
6997422Stand
Methods and apparatus for providing an adjustable balancing force are provided. This mechanism can be used as a lifting force, a counter balancing mechanism or as a horizontal or other force mechanism. A stand in accordance with an exemplary embodiment of the presen...
02/14/2006
6994306Monitor support system
A system for providing support and position control of a monitor. In one embodiment, a method of supporting a monitor includes converting an ascending energy storage member force curve into a substantially constant supporting force against the monitor. In one aspect...
02/07/2006
6955328Arm apparatus for mounting electronic devices
An extension arm suitable for mounting a flat-screen electronic peripheral device, including a forearm extension having at one end a first coupling for attachment to a tilter, a platform or other means for supporting a flat-screen device and at the other end a secon...
10/18/2005
6793380Adjustable progressive joint-brake system
A joint (52) for connecting arm portions (40, 42) of a ceiling or wall mounted support system includes housing members (60,62) with an annular bearing (64) interposed between opposed surfaces (82,84) thereof. The housing members ar...
09/21/2004
6569084Endoscope holder and endoscope device
An endoscope device is provided which includes a manipulation portion and an inserted portion connected thereto, and an endoscope holder is provided at an elevated position, for example, on a ceiling. The endoscope device is rotatably suspended from the e...
05/27/2003
6517222System and method for leveling suspended lighting fixtures and a longitudunal axis
A cable suspension system for linear lighting fixtures simplifies installation procedures by providing a simple leveling adjustment compensation for weight imbalance about a longitudinal axis of the lighting fixture. A suspension cable is fixed in a bore ...
02/11/2003
6186458Support arm
A support arm has a support structure and an arm structure connected to the support structure through a pivotal connection for pivoting about a horizontal axis. A device is provided for adjusting the elevation of the arm structure by pivoting it about the...
02/13/2001
6012821Support arm for surgical light apparatus
An arm assembly for supporting a surgical lighthead of a surgical light apparatus includes a first arm and a first clevis appended to the first arm and having a first stop surface and a second stop surface. The arm assembly also includes a second arm form...
01/11/2000
5995758Stabilization apparatus
Stabilization apparatus for aiming an instrument such as a camera at a target object. Rotational rate sensors mounted on the camera platform detect rotation of the platform from an initial position about roll, tilt and pan axes. The sensor output signals ...
11/30/1999
5876008Suspension system for video monitor or other equipment
A suspension system having a four bar linkage system including an angled arm for adjustable and positionable vertical and horizontal support of a video monitor or the like. A weight counterbalance adjustment mechanism adjustably compensates for various we...
03/02/1999
5727763Device for balancing the forces acting on an arm pulled by a load
A device for balancing forces acting on an arm pulled by a load includes a body on which is pivotally mounted an arm pulled by a load. The body is suspended from a point of support by an adjustable, triangular support connected at two fixing points on the...
03/17/1998
5669593Picture hanging device
A hanging device includes a wall mount and an adjustable weight device for hanging pictures. The adjustable weight being slidably adjusted on the wall mount for properly positioning a picture in a desired position. The hanging device can also be used to m...
09/23/1997
5613419Load balancing arm
A load balancing arm is shown and described as having improved control including a programmable control element and electronic air regulation to provide precise and controllable lifting force on a load. The disclosed load balancing arm responds to slight ...
03/25/1997
5351925Device for supporting and positioning a microscope
A device (2) for supporting and positioning a microscope, the device comprising a support suitable for being tied to a fixed frame of reference, and a plate suitable for supporting a microscope (17), an intermediate moving element (7) being connected firs...
10/04/1994
5025359Counterbalanced arm for a lighthead
A counterbalanced arm for a lighthead has an upper arm portion, a lower arm portion adapted at one end to be connected to the lighthead and at the other end for articulation about the upper arm portion, and a pivot assembly connecting the upper arm portio...
06/18/1991
4986506Suspension arm
A counterbalancing device includes a base and a main arm pivotally mounted to the base. The main arm resists a force acting thereon at a location remote from the axis, by virtue of a crank arm fixed to the main arm and supporting a cam follower, the latte...
01/22/1991
4958592Resistance heater for diamond production by CVD
A plural substrate CVD apparatus for diamond crystal production utilizes spaced apart vertical, parallel, planar substrate panels with an electrical (direct current, D.C.) resistance filament heater therebetween. A hydrogen-hydrocarbon gas mixture flows b...
09/25/1990
4911428Punching bag support
A support for a punching bag having a generally horizontally disposed beam supported from an overhead support for rotation about a vertical axis with a heavy punching bag supported at one end of the beam and an adjustable caster wheel at the other end of ...
03/27/1990
4881709Stand mechanism for a medical optical equipment
A stand mechanism for medical optical equipment wherein the focus of the optical equipment remains upon an extension of a straight line connecting the two base ends of a parallel linkage, and the focus of the medical optical equipment remains fixed at a f...
11/21/1989
4759674Remotely-operable positioning and carrying apparatus for remote-handling equipment
The invention is directed to a remotely-operable positioning and carrier aratus for remote-handling equipment for use in large-area cells containing process components. The apparatus is mounted on a lifting device of an overhead bridge crane. The apparat...
07/26/1988
4736922Suspension system
Apparatus for suspending an article for movement in a gravitational field incorporates a fixed hanger with one or more axle members stacked below the hanger and connected thereto. For each axle there is a rotor mounted on the axle, with a housing connecte...
04/12/1988
4695027Industrial robot installation
A robot installation in a production line includes at least one robot (1) of pendulum type, the arm system (10, 14) of which is pivotable about at least one axis (12). The secondary arm (14) of the robot and a counterweight (16) are so displaceably arrang...
09/22/1987
4666364Low friction cylinder for manipulators, based on the pantograph principle and equipped with a pneumatic balancer control
In a pantograph load handling device having work arms formed of a parallelogram linkage, an improved load cylinder arrangement is provided comprising a flexible diaphragm disposed in a loose support arrangement to afford vertical movement of the load in a...
05/19/1987
4660561Fixture for skin tanning by selective light source
A skin tanning fixture which may be in the form of a couch with an adjustable cover makes use of a battery of light emitting tubes on the lower side over which is a translucent body supporting sheet. A comparable battery of light emitting tubes are arcuat...
04/28/1987
4659278Manipulator based on the pantograph principle
A mechanism for handling and manipulating a load including a horizontal work beam formed of a parallelogram linkage with a pair of arms interconnected by links. The work beam is pivotally mounted on a retaining part which is adjustably vertically mounted ...
04/21/1987
4587668X ray unit for podiatry
An X ray unit for podiatry wherein the base platform is disposed approximately three inches above floor level. The X ray machine is disposed above the base platform and is adapted to be moved to various positions by a mounting system which includes a pivo...
05/06/1986
4421450Cargo handling apparatus
A parallelogram arm assembly having a vertical arm for suspending a load at lower end thereof and a pair of horizontal arms one of which is guided in a horizontal path is provided. The other horizontal arm is guided in a vertical path. The paths are defin...
12/20/1983
4411044Cord weight pulley
A cord weight pulley assembly for traverse rod installations in which the housing is formed in one piece and includes a first housing section having a lower weight receiving cavity and an upper pulley receiving cavity, a second housing section integrally ...
10/25/1983
4373936Filter bag tensioning device and method
A filter bag tensioning device for use in a bag house is disclosed. The tensioning device comprises a straight lever arm adapted to be pivotally mounted in the upper reaches of a bag house and carrying, on the end of the lever arm opposite that of filter ...
02/15/1983
4241891Overhead arm assembly
An overhead arm assembly particularly suited for selectively positioning ultrasonic medical diagnostic equipment. The assembly is comprised of three interconnected pivot arms having both dynamic and static counterweights and arranged so that the outermost...
12/30/1980
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