Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Information repository search system
Forming agent for gate insulating film of thin film transistor
Lamp body with integrally molded heat sink
Non-zero rounding and prediction mode selection techniques in video encoding
Personal warming apparatus
Maintenance tool of control systems
Wavelength and power scalable waveguiding-based infrared laser system
  Randomly Featured Patents
Method and apparatus for tracking an aimpoint on an elongate structure
Biological sealant storage and dispensing system
Low temperature bake water reducible acrylic enamel
Flexible adjustable split band with indicia on the exterior surface of the band
In-situ absolute measurement process and apparatus for film thickness, film removal rate, and removal endpoint prediction
Cooling system for a module IC handler
Optimization of mesh locality for transparent vertex caching
Vehicle-to-trailer coiled electrical-cable
Apparatus and method for determining toner age in a printing apparatus
Stabilization of unsaturated carboxylic acid esters with mixtures of polyalkylene-amines and arylenediamines