Resources Contact Us Home
Portable lifting jack

Image Number 5 for United States Patent #4018421.

A hydraulic lifting jack has a base supported on wheels, an elevating linkage, a hydraulic ram operating with the linkage and a handle for pressurizing and releasing the hydraulic ram. An integral block of rugged rectangular configuration serves a multiple purpose of providing a reservoir for hydraulic fluid, mounting the ram, mounting the pump and providing exteriorly precision drilled bores for all the hydraulic activity.

  Recently Added Patents
Signal phase-based location of network nodes
Focus detection device and imaging apparatus having the same
Methods and systems for managing electronic messages
Heating pad
Compositions and methods of vascular injury repair
Method for counting and segmenting viral particles in an image
Zoom lens
  Randomly Featured Patents
Heating device and sanitary washing device using the same
Power transmitting mechanism
Semiconductor device including two heat sinks and method of manufacturing the same
System for nano position sensing in scanning probe microscopes using an estimator
Method of manufacturing beta alkaline alumina parts
Microchip device
Magnetic implement using magnetic metal ribbon coated with insulator
Separating arrangement for adjacent belts in a round baler
Shelf stable brownie batter article and method of preparation