Variable control screen apparatus
OwnerGene F. Lambertinventor
Life of this patent
Estimating the term…
Abstract
A vibrating screen apparatus having a pair of side members, a screen surface supported between the side members, a pair of frame members supported between the side members and beneath the screen, a first hammer to vibrate the screen, a second hammer that alternately vibrates the screen with the first hammer and a motor to impart motion to the hammers and frame members. The screen apparatus is provided with a method to selectively tension the screen surface. The apparatus is equipped to permit varying the frequency and amplitude of the hammers and screen material. The apparatus is equipped with only a single motor on each screen section to provide economy in use.
Claims7
A vibrating screen apparatus for separating bulk granulated material comprising:
- a pair of spaced elongated side members,
- a screen surface supported between said side members,
- a pair of frame members supported between said side members beneath said screen surface,
- a first hammer means mounted on to said frame members vibratably independent of said side members and spaced from and beneath said screen,
- a second hammer means mounted on said frame members within said first hammer means vibratably independent of said side members and spaced from and beneath said screen, and
- vibrator means fixed to said first and second hammer means whereby said first and second hammer means alternately stirke said screen surface.
Dependencies are inferred from the claim text.