Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Recreational device for impelling an object










Image Number 2 for United States Patent #4488723.

A recreational device 10 for impelling an object comprises a generally upright shaft 12 having a lower end 20 and an intermediate part 22; a lever arm 14 having a heel portion 40 and an upper actuation portion 42 pivotally connected to the lower end 20 of the shaft 12; a stabilizing link 24 pivotally connected to the intermediate part 22 of the shaft 12, and a linkage assembly 32 for urging the object forwardly in response to downward movement of the shaft 12, the reaction of the heel portion 40 against a surface, and the forwardly and downwardly swinging of the lever arm 14.








 
 
  Recently Added Patents
Debris tray
Method and system for leveraging the power of one's social-network in an online marketplace
Method and apparatus of motion vector prediction with extended motion vector predictor
Magnetic impedance element and magnetic sensor using the same
Synthesis of 8-amino boron dipyrromethenes having blue fluorescence
Downhole telemetry system
Linked area parameter adjustment for spinal cord stimulation and associated systems and methods
  Randomly Featured Patents
Work table or portable scaffold
Single- and multi-photon polymerizable pre-ceramic polymeric compositions
Anti-stall control
Articulating suturing device and method
Apparatus for separating and conveying articles
Process for preparing single crystal
Consumption profile for mobile media
Bi-directional partial re-breathing method
Hair fluffing device
In-borehole gas monitor apparatus and method