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US 4,907,325 AGranted
Blind trimmer
OwnerPei H. Hsuinventor
Life of this patent
Estimating the term…
Abstract
A blind trimmer includes a machine frame and an immovable as well as a movable trimming mechanisms respectively mounted on two longitudinal sides of the frame. Each trimming mechanism includes a plate, a saw, a cylindrical milling blade, and a clamping device having a slide piece which is slidable on the plate and spacedly mounts thereon two jaw members clamping therebetween a respective end portion of a collapsed blind so that the respective end portion will be trimmed by the saw when the slide piece is slid on the plate to let the respective end portion pass through the saw.
Claims10
A blind trimmer comprising:
- a machine frame having thereon a first longitudinal slideway;
- a first trimming mechanism immovably fixed on a longitudinal side of said frame;
- and
- a second trimming mechanism movably mounted on said slideway at an opposite longitudinal side of said frame so that a distance between said first and second trimming mechanisms can be adjusted;
- and wherein each of said trimming mechanisms include:
- a plate mounted on said frame and having thereon a second longitudinal slideway perpendicular to said first longitudinal slideway;
- a saw capable of sawing in a direction parallel to said second slideway and mounted on said plate outside of said second slideway;
- and
- a clamping device including:
- a slide piece slidable on said second slideway;
- and two jaw members spacedly mounted on said slide piece and capable of clamping therebetween a respective end portion of a collapsed blind so that said respective end portion will be trimmed by said saw when said slide piece is slid on said second slideway to let said respective end portion pass through said saw.
8 more elements
Dependencies are inferred from the claim text.