Resources Contact Us Home
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
Etching method, etching apparatus, and computer-readable recording medium
Thermochromic microparticles, dispersions thereof, and manufacturing method thereof, as well as light-modulating coatings, light-modulating films and light-modulating inks
Image reconstruction iterative method
Verifiable service policy implementation for intermediate networking devices
Badge or pin
Label printer
  Randomly Featured Patents
Integrated circuit passively biasing transistor effective threshold voltage and related methods
Functional food additives
Apparatus for automatically packing record discs
Transparent candle and method of making
Method of making plastic tooling with compression adjustment
Apparatus for crossing total occlusion in blood vessels
Secondary battery cathode active material, secondary battery cathode and secondary battery using the same
Laser radar for vehicle using reflector and method for controlling the same
Optical add/drop multiplexer including reconfigurable filters and system including the same
Slip resistant surfaces