Resources Contact Us Home
Apparatus for the automatic issuance and return of keys

Image Number 2 for United States Patent #4010868.

A plurality of keys are movably suspended on a support in successive orientation one behind the other. The leading key engages a dispensing device which normally prevents the discharge of the keys from the support but which is actuable on command to selectively release the first or leading key while retaining the remainder of the keys on the support. Secondary rails are provided for separating and diverting keys according to their use.

  Recently Added Patents
Storage basket with lid
Method for implementing dynamic pseudorandom keyboard remapping
Notification systems and methods that consider traffic flow predicament data
Sports helmet
Semiconductor devices having multi-width isolation layer structures
Plastic floor-wall transition methods, materials, and apparatus
Micromechanical component, device for beam deflection of monochromatic light, and spectrometer
  Randomly Featured Patents
Fuel cell system having optimized output
Handling system for merging ammunition rounds from multiple ammunition bays to feed a rapid-fire gun
Musical instrument pick holder
Twist-off pushnut fastener
Method and apparatus for preventing pump cavitation
Fluid separation and processing device
Pipe latch circuit for outputting data with high speed
Memory device, semiconductor memory device and control method thereof
Compounds and method for synthesizing sulfoindocyanine dyes