Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Hand truck










Image Number 7 for United States Patent #4681330.

A hand truck has a load supporting frame having a handle, and a load supporting platform provided on a lower portion of the load supporting frame. A pair of main wheels are provided on a lower portion of the load supporting frame, and an auxiliary frame is pivotally mounted on a lower portion of the load supporting frame. A pair of auxiliary wheels are provided on ends of the auxiliary frame. An extensible cylinder device is provided between the load supporting frame and the auxiliary frame so as to change the angle there-between.








 
 
  Recently Added Patents
3,7-diamino-10H-phenothiazine salts and their use
Hand-held optical probe based imaging system with 3D tracking facilities
Pyridazine compounds for controlling invertebrate pests
Memory management configuration
Look up table (LUT) structure supporting exclusive OR (XOR) circuitry configured to allow for generation of a result using quaternary adders
Isolated Australian coral reef fluorescent proteins and cell-based kinase or phosphatase platforms for cancer drug development
Zoom lens
  Randomly Featured Patents
Systems and methods for providing redundant back-up to a video transmission system
Vehicular communications system initializing abnormal control unit
Liquid pump, in particular, detergent liquid pump for household appliances, and method for assembling it
Controlled sewage sump network system
Luminaire
Acid stable dibenzyl monosorbitol acetal gels
Method and device for the detection and processing of signals from industrial processes
Recursive digital filter having coefficients equal to sums of few powers of few powers of two terms
Cathodic protection monitoring
Methods for forming metal-germanide layers and devices obtained thereby