Resources Contact Us Home
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
Badge or pin
Method of reducing acetaldehyde in polyesters, and polyesters therefrom
Device with a floating head having a heater element
Electronic package with fluid flow barriers
System, apparatus, and method for fast startup of USB devices
Vehicle window opening and closing control device
Telephone line seizure module
  Randomly Featured Patents
Semiconductor device and its manufacturing method
Method for converting hydrocarbons to aromatics using a hybrid catalyst system
Network based tariff acquisition system for roaming mobile subscribers
ESD protection for RF power amplifier circuits
Method of controlling a voltage-fed induction machine
Variable capacitive element, variable capacitive device, and method for driving the variable capacitive element
Handoff methods, and devices utilizing same
Dual use fuse
Thermal insulation system and method of forming thereof