Resources Contact Us Home
Sun compass

Image Number 7 for United States Patent #4028813.

A sun compass comprises a base, including a transparent hemisphere, a body movable within the base, and a plate including a dial face movable upon the body. Actuating members are connected to the plate and body for selectively moving the plate relative to the body and moving the body relative to the hemisphere. The actuating members are accessible externally of the hemisphere and include rotatable knobs having scales associated therewith for indicating the amount of movement of the plate and body. A transparent hemispherical top is mounted over the base hemisphere.

  Recently Added Patents
Large carrying case
Image processing apparatus, image processing system, and image processing method
Systems and methods for picture based communication
System and method for wireless messaging in a wireless communication system
Fabricated leaf tea products
Mechanical and moisture protection apparatus for electronic devices
Display apparatus
  Randomly Featured Patents
Acoustical wall panel
Low moisture chewing gum compositions containing erythritol
Method, apparatus and system for completing a call when a called party has not answered the call
Image-receiving material for production of a color image utilizing a transferred white pigment layer
Circuit breaker support saddle having a split neutral connector
Multiple writing volume backup method
Techniques for providing calibrated on-chip termination impedance
Process for preparing an X-ray mask structure
Computer activated reward dispensing machine
Quiet nacelle system and hush kit