Patent ID: 7721393
Filing Date: 2010-05-25
Classification: F16L,Y10T

Abstract:
1. An open-type hose clamp, comprising clamping band means having overlapping inner and outer band portions, a mechanical connection between overlapping band portions including a tab-like member extending outwardly from the inner band portion and adapted to engage in an aperture means in the outer band portion, a tightening device for tightening the clamp, characterized by further means in said mechanical connection for accurately limiting the use of the clamp with a hose of predetermined maximum diametric dimension, said further means including a slot-like aperture forming part of said aperture means and being of a width and length complementary to the width and length of the cross section of said tab-like member so that said tab-like member can be connected with said outer portion only in a predetermined position determined by said slot-like aperture and only at the precise location of said slot-like aperture so that said location determines the maximum outer diameter of a hose with which the clamp can be used.