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Class 248/571 - Constant thrust


Subclass of Class 248 - Supports
Definition: Structure comprising means for exerting a constant supporting
No. of patents: 23
Last issue date: 11/13/2007


NumberTitleIssue Date
7293755Vibration isolation device
A vibration isolation device includes two attachment members inter-connected by an elastic member. One of the attachment members comprises a metal tubular member connected to the elastic member, a metal bracket in which the metal tubular member is press-fitted, and ...
11/13/2007
7252277Support arm
An apparatus for supporting a load is disclosed. A support arm in accordance with an exemplary embodiment of present invention comprises a first strut, a second strut, a proximal link, and a distal link. A proximal portion of the first strut is pivotally coupled to ...
08/07/2007
7208009Stent fabrication method
A stent and a method for fabricating the stent are disclosed. The stent has an originally flat pattern and connection points where the sides of the flat pattern are joined. The method includes the steps of a) cutting a stent pattern into a flat piece of metal thereb...
04/24/2007
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
5944288Constant support pipe hanger
A pipe support hanger having a counterbalance of predetermined load and spring moments about a main pivot through a predetermined range of pipe deflection is adapted for use in vertical and horizontal orientations. The pipe support hanger includes a sprin...
08/31/1999
5018700Suspension device for conveying loads, particularly pipes
A suspension system for supporting pipes under generally constant tension comprises a main spring system including a main spring located between a suspension portion and a load-bearing portion for applying spring-biasing forces to the suspension portion. ...
05/28/1991
4757970Balancing mechanism in pedestal carrying television camera
A pedestal carrying a television camera and its accessories has constant-torque springs which are housed in a detachable housing. The output shaft of each constant-torque spring is made responsive to the weight of the camera and its accessories, and is co...
07/19/1988
4746091Constant force suspension system
A suspension system for rigidly mounting an object such as a microwave cavity on a support surface subject to limited expansion and contraction. The object is secured in place by three or more support legs radially spaced from a central reference point an...
05/24/1988
4669584Inertia stop for sudden loads
An inertia stop by which excessive movement between two members may be prevented, includes a unit that may be fixed to one of the members and a further unit that includes a free component and a component that may be fixed to the other of the members, one ...
06/02/1987
4640487Pipe supports
In a pipe support of the constant tension kind, spring means, which through a connecting link acts on a lever pivoted to a carrier, is adjustable relative to the carrier for altering the moment of the spring force about the pivot of the lever by varying t...
02/03/1987
4577819Self-balancing boom apparatus
A self-balancing boom apparatus includes a vertical support post, a boom pivotally mounted to the support post, and a spring which produces a force along a force axis to counteract gravitational forces on the boom. A spring force coupling mechanism couple...
03/25/1986
4557459Load counterbalancing mechanisms
A load counterbalancing mechanism wherein the mechanically actuated interaction of two independent spring systems, one of which is adjustable, provides the necessary counterbalancing forces to balance the torque forces set up by a load being raised, lower...
12/10/1985
4387886Vise with rotatable and vertical adjustment
A vise with conventional fixed and moveable jaws, a cylindrical support secured to the lower side of the fixed jaw, a mounting for attaching the vise to a bench or the like, a tube accommodating the cylindrical support for sliding and rotational movement,...
06/14/1983
4387876Constant force generator mechanism and adjustable seat constructed therewith
A constant force generator mechanism is described, comprising a rigid first link adapted to be fixed to a support, a rigid second link mounted for pivotable movement to the first link by a first hinge joint, and a spring link hingedly mounted to the first...
06/14/1983
4351245Counterweight system
A counterweight system is disclosed, which is advantageously used for counterbalancing the table top of a vertically-adjustable drafting table. Obviously, the counterweight system could be used for other applications. When used in a drafting table of the ...
09/28/1982
4328944Load supporting device
A deflecting load supporting apparatus comprising a base; a load receiving lever element pivotably mounted onto said base; at least one buckling element disposed in engagement with said base and said load receiving lever element so as to undergo a predete...
05/11/1982
4304387Suspension of pipes or tubes
A tube or pipe for the conduction of hot fluid is suspended in the vertical by means of an anchor, pivotally linked to the long arm of a two-arm lever which is pivoted on the tube or pipe and has its second, short arm linked to a pivot-near point of a one...
12/08/1981
4277044Mechanical counterbalance
An instrument supporting arm is consistently uniformly counterbalanced over its entire excursion of adjustment with springs and spring holder guided by cams which alter arm length-to-moment ratio and force angles to compensate for spring extension forces....
07/07/1981
4265147Working pit with articulated tool arm assembly
A working pit with an articulated tool arm assembly is provided for an automobile assembly line. A tool carried by the arm assembly is used to perform assembly operations in an automobile moving either longitudinally or transversely along the line. The ar...
05/05/1981
4206898Spring supports
A spring support of the constant spring force type suitable for supporting pipes in installations where the pipes are liable to move laterally while in use, as for example in the case of pipes through which steam is conveyed, is arranged so that the pipe ...
06/10/1980
4163041Support for elastically mounting a ceramic honeycomb catalyst
A support arrangement is used for elastically mounting a monolithic ceramic honeycomb structure within a housing in an exhaust gas pipe and consists of a holding angle and a molded part formed of a soft, flexible material. The holding angle is rigidly sec...
07/31/1979
3973748Sustaining device
A sustaining device for adjustably holding and positioning an article in space which includes a stationary member, a pair of links pivoted thereto and extending therefrom, a floating member pivoted to the outer ends of the links for movement in a vertical...
08/10/1976
 
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