U-Profiled improved hose clamp
OwnerRenzo Massari, Sergio Massariinventors
Life of this patent
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Abstract
The invention refers to hose clamps of the U-profiled kind and consisting of steel wire. The hose clamp is double U-profiled and presents both ends U-profiled in order to engage a tension auxiliary spiral spring.
Claims1
In a self-tightening encircling clamp, the combination of a body portion forming a closed loop of relatively stiff spring-like resilient wire, said wire loop being flattened to bring its two opposite sides into a parallel spaced relationship, said sides being rolled into a circle of substantially less diameter than the outside diameter of the smallest hose upon which the clamp is to be used, a first extremity of said loop configuration being bent to form a U-shaped loop and the second extremity being bent to form a U-shaped profile;
- a screw-shaped adjusting means to increase or decrease the size of said loop structure, said screw presenting a tapered terminal portion, an intermediary nipple presenting on its front side a blind hole and formed to receive on the side opposite said front side a centering finger;
- said screw being screwed to said first nipple and cooperating with said tapered terminal portion and with said intermediary nipple;
- and a spring mounted between said second extremity and said intermediary nipple.
Dependencies are inferred from the claim text.