Class 248/648 - Weight counterbalanced

Subclass of Class 248 - Supports
Definition: Structure comprising a weight acting in opposition to the
No. of patents: 29
Last issue date: 12/25/2007

Number	Title	Issue Date
7311338	Remotely operated equipment coupler A modular chemical handling apparatus has a first component coupled to a second component. The first component is retained proximate to the second component by a locking mechanism. Fluid conduit connection devices and/or electrical connection devices in the first co...	12/25/2007
7296778	Mountings for payloads The disclosure relates to a mounting for a payload (e.g. a TV/Video camera) comprising a platform (18) providing a mounting face for the payload, means (15, 19) to mount the platform for rotation about a horizontal axis for tilting of the platform to e...	11/20/2007
7220256	Laser system and method for treatment of biological tissues A system for and method of performing laser assisted surgery is disclosed. Laser radiation is preferably delivered to a target area of tissue using a Er:YAG laser source. The laser radiation is delivered to the target area in bursts of laser radiation comprising set...	05/22/2007
7014157	Friction cylinder for a support device A positionable support device includes a friction cylinder as a counterbalance in place of conventional gas springs. The support device includes a support arm pivotally secured between two endcaps to allow for vertical movement, the first endcap being mounted to a s...	03/21/2006
7000873	Microscope stand having balancing device The invention relates to a stand having a pivotable support arm (2) and a balance weight (AG), in which the balance weight (AG) acts via a cable pull (24) for the weight compensation of the load (G), the balance weight (AG) being arranged in the area o...	02/21/2006
6473159	Anti-vibration system in exposure apparatus A vibration suppressing system includes a structural member with respect to which vibration suppression is to be executed, an actuator, having a pair of a fixed member and a movable member, for moving the movable member relative to the fixed member, and a...	10/29/2002
6364275	Rotary load counterbalancing mechanisms The disclosure related to a rotary counterbalancing mechanism comprising a rotatable input (19, 22), a pair of aligned linearly movable outputs (24, 25), means (23) to convert rotation of said input into sinusoidal oscillation of said outputs between mini...	04/02/2002
6354167	Scara type robot with counterbalanced arms A SCARA type robot with counterbalanced arms and tilting base. This apparatus enables accurate planar movement of a probe. Weak or flexible foundations or footings do not affect positioning accuracy of the probe. Positioning accuracy, relative to the move...	03/12/2002
5667186	Stand for mounting various loads A stand is provided for mounting various loads and is balanced at least partially automatically. The stand includes a plurality of interconnected elements defining one or more axes about which the stand is movable. An open-loop or closed-loop control circ...	09/16/1997
5613419	Load 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
5553821	Counterbalancing unit A counterbalancing unit for a tripod head is assembled along a horizontal shaft. A pair of holders are slidably supported on the horizontal axis and disposed in an inside of a longitudinal member which is perpendicular to a base of a tripod head. One or m...	09/10/1996
5379657	Microgravity suspension system for simulating a weightless environment A method and system for supporting a test article or structure in a gravity environment for the purpose of testing the article in a simulated weightless condition includes at least one support assembly attached to the article for suspending the article fr...	01/10/1995
5332181	Motorized stand A motorized stand for positioning medical therapeutic or diagnostic instruments is mechanically coarsely balanced by weights. A defined positioning of the medical instrument is determined by means of several drive units with integrated angle transducers. ...	07/26/1994
5316260	Ophthalmic instrument stand A multi-jointed support arm accepting various Ophthalmic instruments and platforms is suspended by cables distributing the weight of said arm and instruments up and over two sets of pulleys and back down to a counterweight. A switch actuated electro-mecha...	05/31/1994
4863569	Support for a device for cleaning the doors of a battery-arranged coke furnace A device for cleaning the doors of battery-arranged coke furnaces is provided. The device is suspended at four points from steel cables which pass along a pulley and are joined at its other end to a counter-weight. The cable is joined to the counter-weigh...	09/05/1989
4807842	Tilt apparatus for a display monitor field A tilt apparatus allows an operator to readily change the tilt angle of a display monitor and retain the angle after it is changed. The tilt apparatus mounts vertically to the display monitor housing at the rear of the monitor's pivot point and center of ...	02/28/1989
4781375	Method and apparatus for adjusting a basketball goal An apparatus for adjusting the height of a basketball goal comprising a telescoping support pivotally mounted to form a diagonal within a deformable parallelogrammatic structure. The telescoping support has an outer cylinder slidably connected over a conc...	11/01/1988
4736922	Suspension 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
4708313	Tilt apparatus for a display monitor A tilt apparatus allows an operator to readily change the tilt angle of a display monitor and retain the angle after it is changed. The tilt apparatus mounts vertically to the display monitor housing at the rear of the monitor's pivot point and center of ...	11/24/1987
4660798	Handpiece support arrangement A support arrangement for supporting a handpiece comprises a main body, a support post having one end secured to the main body, a movable arm movably mounted on the other end of the support post for supporting the handpiece, a counter-weight mounted on th...	04/28/1987
4657220	Television camera mounting equipment Camera mounting equipment comprising a wheeled base with a rotatable table mounted thereon. The rotatable table having a balanced pantographic arm pivoted thereon and means for controlling vertical and horizontal movement of a camera mounting platform att...	04/14/1987
4630796	X-ray apparatus comprising a part mobile thereon An X-ray apparatus having a hydraulically controlled counterweight. A flexible roll diaphragm seals each piston to each cylinder in the system....	12/23/1986
4598601	Means for counterbalancing mass in mechanisms such as a robot arm A means for counterbalancing a mass (9) in mechanisms such as a robot arm (1), wherein the robot arm (1) has a fixed support point (2) and is attached to one end of a spring (3) for counterbalancing arm loading. The other, remote point of attachment (6) f...	07/08/1986
4591128	Tool reaction balancing mechanism A tool reaction balancing mechanism consisting of a fluid-pressure reaction and balancing system and an articulated arm wherein the arm is suspended from dual overhead rails by a travelling bridge. The novel articulated arm has two pivotally connected arm...	05/27/1986
4546233	Robot arm having bearing support A robot includes a generally cylindrical stationary table adapted to be fixed on a floor, and has an outer peripheral surface formed with a circumferential gear. A rotary table is supported rotatably about the outer peripheral surface of the stationary ta...	10/08/1985
4470572	Balancing device for a mobile carriage of machines A balancing device of a unit formed by a first machine carriage (1) supporting a second mobile carriage (4) on the first, in any direction other than the vertical, by means of a counterweight (6) connected to the first carriage (1) via chains (7, 8). This...	09/11/1984
4344595	Auxiliary apparatus at a stand for an optical observation device An auxiliary apparatus at a stand for an optical observation device, such as a surgical microscope is disclosed, which contains a stand at which there is mounted the surgical microscope. The stand comprises a number of rotary and brake bearings, a support...	08/17/1982
4333322	Mount for washing machine An upright fabric washing machine includes a cabinet structure having a bottom frame that is formed to include a bearing for pivotally supporting an assembly of working parts of the machine. A mount includes a hollow mounting post having its lower end for...	06/08/1982
4247067	Camera mount A camera mount for supporting a camera in balance so that it may be panned, tilted and rolled by an operator to face a target includes a pedestal operable for selective positioning behind the operator along an arcuate path having an axis of revolution lyi...	01/27/1981

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Class 248/648 - Weight counterbalanced