U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 248/572 - Variable effective diameter pulley, e.g., fusee, etc.


Subclass of Class 248 - Supports
Definition: Structure comprising a pulley or segment thereof which has
No. of patents: 13
Last issue date: 03/16/2010


NumberTitleIssue Date
7677523Gravity compensation device for a chip transfer apparatus
A gravity compensation device partially or completely compensates a force exerted by a basic mass (10) on a balancing device (12) at a first distance from an axis of rotation (13) by using a force generating device, such as spring (14), e...
03/16/2010
7428855Counter balance system and method with one or more mechanical arms
A system for counterbalancing the gravitation moment on a link when the link is supported at a point. A first spring mechanism balances the link about all axes that pass through the support point. The link can be balanced throughout a large range of motion. ...
09/30/2008
7195216Adjustable trunk for an artificial Christmas tree
An adjustable trunk for an artificial Christmas tree has a base, a telescoping post and a reel assembly. The telescoping post has a stationary outer tube, at least two inner tubes and multiple gaps. The stationary outer tube is mounted on the base. The inner tubes a...
03/27/2007
7000873Microscope 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
6557816Motor mounting structure and drive shaft mounting structure
A motor mounting structure having a motor and a mounting portion to which the motor is mounted. When an external force resulting from a load acting in a direction orthogonal to a motor shaft is applied to the shaft, a hardness or configuration of an elast...
05/06/2003
5741792Heterocyclic thrombin inhibitors
Heterocyclic thrombin inhibitors are provided which have the structure ##STR1## wherein n, R, R1, R2, R3, G, Gx, R6 ', Ra, Xa, R6, Rb, R3, p, Q, A and R4 are as define...
04/21/1998
5037059X-ray diagnostic device with safe and durable X-ray tube suspension mechanism
An X-ray diagnostic device with a suspension mechanism for suspending an object in a vertically movable manner, using two suspension wires, which can avoid the shortened durability of the suspension wires, and using windup type springs, which can eliminat...
08/06/1991
4953256Counterbalance mechanism
A counterbalance mechanism for negating the force of gravity when moving a display cabinet shelf up or down. The mechanism has a torsion spring counterbalance on a shaft extending the width of the shelf and gears at each end of the shaft which engage trav...
09/04/1990
4813064Method and apparatus for counterbalancing rotating bodies
A diagnostic imaging scanner system is provided which includes an arm structure mounted to a support structure for pivotal motion about a substantially horizontal arm axis. A source of radiation directs radiation along a beam path. A detector is mounted o...
03/14/1989
4768762Means and method to counterbalance the weight of a body
The weight of a pivoted body is counterbalanced by a spring acting on a cam connected to that body to pivot therewith. A band, connected to that spring, attaches to the cam and wraps around the cam. The cam's profile is contoured to produce moment arms of...
09/06/1988
4760622Compound winding apparatus and counterbalance systems
A compound counterbalance system for window sashes and the like, comprising: a biasing mechanism for easing operation of a window sash and the like, the biasing mechanism being movable at an inherently variable of force; a first biasing force transmission...
08/02/1988
4685648Counterbalancing apparatus for use in an optical instrument
An apparatus for counterbalancing the weight of the movable member in a precision instrument includes a resilient member which is coupled, by way of a non-elastic member, over an eccentric surface of a rotatable member to the movable member. Rotation of t...
08/11/1987
4389228Constant tensioning device
A tensioning device is disclosed for maintaining proper tension of a filter bag assembly. The device includes a rotationally mounted cam, a torsion spring urging the cam to rotate in one direction, and a cable trained around the cam opposing the force exe...
06/21/1983
 
Sign InRegister
Username  
Password   
forgot password?