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Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

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Class 267/135 - Snubbed coil spring or ring pack


Subclass of Class 267 - Spring devices
Definition: Spring device in which said portion is the surface portion
No. of patents: 11
Last issue date: 05/13/2008


NumberTitleIssue Date
7370855Spring damper
A damper is shown for damping the movements of a valve spring in an engine. The valve spring can be housed within the damper or the damper may be located inside of the valve spring. The damper is made from a suitable polymer and has one or more slots located radiall...
05/13/2008
7090207Single-end-mount seismic isolator
A single-end-mount seismic isolator for protecting a structure from the effects of seismic shock or other external applied forces includes a load shaft that is secured at its first end to a mounting surface on which the structure is supported. So secured, the load s...
08/15/2006
6513800Mechanical double acting shock isolator
A double acting mechanical shock isolator that includes a stack of friction springs contained within a housing. The stack is retained between the end walls of the housing by a pair of opposed slides. A sleeve passes through the stack and the ends of the s...
02/04/2003
5926935Method of and apparatus for incorporating torsion spring
A torsion spring having a central coiled portion and a pair of resilient arms projecting from the coiled portion in different directions is incorporated in a workpiece so that the coiled portion is fitted on a support pin on the workpiece and the arms are...
07/27/1999
5395130Bicycle balance trainer
An attachment for a two wheeled bicycle allowing a mentor to provide a graduated correcting and stabilizing force to the bicycle for aiding a novice rider to maintain balance and gain confidence. The attachment comprises two substantially parallel rigid t...
03/07/1995
5083755Face shock absorber for extracting core-collecting pipes
Face shock absorber for extracting core-collecting pipes used for the drilling of solid mineral resources, which is incorporated in the drilling unit above the rock-breaking tool. It comprises a housing, the opposite ends of which are connected to a top a...
01/28/1992
4577501Probe coil snubber
The present invention utilizes a wire wool slug packed inside a helical coil of an aircraft engine sensor in order to reduce vibration damage to the coil....
03/25/1986
4254837Technique for damping oscillations in a drill string
There is disclosed a shock sub for incorporation in the lower part of a drill string for damping oscillations of the bit and drill string during drilling. The shock sub incorporates a spring assembly including a multiplicity of substantially annular ring ...
03/10/1981
4183510Spring buffer
A feature of this invention is a positively assembled, double acting spring buffer having all spring guides disposed within and extending the full length of the spring assembly....
01/15/1980
4087085Impact deflection absorber and stabilizer
An impact deflection absorber and stabilizer for providing an interface between two items, surfaces, etc. permitting regulated and controlled travel (energy absorption) along its longitudinal axis and constraining motion in all other directions. An energy...
05/02/1978
4006832Bucket door snubber
Apparatus for dampening the closing of a heavy door of the type mounted along a hinge axis on a heavy movable member such as a digging bucket for a shovel, said dampening apparatus comprises a crank pivotally mounted intermediate its ends on said movable ...
02/08/1977
 
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