Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Hydraulic damping device for drawer










Image Number 2 for United States Patent #8025135.

A hydraulic damping device for drawer includes a cylinder holding a hydraulic fluid, a piston rod moving in and out of the cylinder and having a pin at one end inside the cylinder, a rigid valve block affixed to the inner end of the pin of the piston rod and having equiangularly spaced through holes, a retainer affixed to the outer end of the pin of the piston rod, a piston coupled to the pin of the piston rod and movable along the pin between the rigid valve block and the retainer and having a plurality of axially extending through holes, a number of the through holes of the piston being respectively aimed at the through holes of the rigid valve block for allowing the hydraulic fluid to pass through the piston in one direction at a high speed during outward stroke of the piston rod and to pass through the piston in the other direction at a low speed during inward stroke of the piston and a plurality of spring strips for stopping against the rigid valve block, and a shock absorbing device that buffers the impact of the rigid valve block when the piston rod is extended out of the cylinder.








 
 
  Recently Added Patents
Low collateral damage air defense projectile
Liquid extractor with vanes
Electromagnetic valve
Rotary glasses
Method and apparatus for measuring oxidation-reduction potential
Cooling heat-generating electronics
Spark ignition device and ground electrode therefor and methods of construction thereof
  Randomly Featured Patents
Gamma radiation field intensity meter
Lid regulating device of sun roof structure
Layer system with layer having different grain sizes
Weld joint between two rails arranged behind each other along a rail track
Semiconductor processing apparatus and method
Liquid carbodiimide-uretonimine modified polymethylene polyphenylene polyisocyanates and polyurethane foams made therefrom
Oxime O-ether compounds and fungicides for agricultural and horticultural use
Structurally optimized component
Catalyst for preparation of 4-cyanothiazole
Soil sampling tool