Resources Contact Us Home
Louvered vent

Image Number 3 for United States Patent #4592271.

A vent assembly characterized by a rear member having a perforated rear surface, and a front member having a front surface formed into a number of louvers. The side portions and bottom portions of the rear member are bent into L-shaped flanges which engage the inner dimensions of the front member. The front member has a top portion and side portions which are bent into L-shaped flanges to provide flashing for the assembly. The front member and rear member are permanently attached together to form a single unit, and a number of units can be vertically stacked to provide vent structures of various heights.

  Recently Added Patents
Optical writer and image forming apparatus including same
Image forming apparatus
State detection device, electronic apparatus, measurement system and program
XDSL system and signal transmission method, sending device, and receiving device of xDSL system
Multi-domain dynamic group virtual private networks
Apparatus and method for multiple pagings in broadband wireless communication system
Targeting agents for enhancing radiation therapy
  Randomly Featured Patents
Method and apparatus for attaching flexible membranes to a rigid backing
System and method for determining reticle defect printability
Member of the lysyl oxidase gene family
Via-node-based electromigration rule-check methodology
Anode for fuel cell, manufacturing method thereof, and fuel cell including the same
EL panel with continuous contacts on back of panel
Bending device
Dielectric resonator apparatus comprising a plurality of one-half wavelength dielectric coaxial resonators having open-circuit gaps at ends thereof
Portable electronic devices having a locking mechanism for holding and releasing a flipping section
Sputter-etching device