Clamp structure

Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – Metal bands

Patent

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Details

24 20TT, F16L 3302

Patent

active

049147889

ABSTRACT:
A clamp includes a metal band body. The band body has separated both ends. The ring-shaped band body includes an outer lap portion, an inner lap portion, and an intermediate portion located between the inner and outer lap portions. A retaining hole is formed in the outer lap portion, and a hook is formed on the inner lap portion. The hook includes a sliding surface for allowing sliding of the outer lap portion when the outer and inner lap portions are relatively moved in a direction for reducing the diameter of the band body, and a hook edge hooked by an edge of the retaining hole against a force for increasing the diameter of the band body. A first projection is formed at the end of the outer lap portion to hook the distal end of a first arm of a crimping tool. A second projection is formed on the intermediate portion of the band body to hook the distal end of the second arm of the crimping tool. A distance between the first and second projections is shorter than that between the distal ends of the open arms of the crimping tool.

REFERENCES:
patent: 2847742 (1958-08-01), Oetiker
patent: 3266109 (1966-08-01), Thomas
patent: 3402436 (1968-09-01), Oetiker
patent: 3869944 (1975-03-01), Oetiker
patent: 3981049 (1976-09-01), Oetika
patent: 4222155 (1980-09-01), Oetiker
patent: 4299012 (1981-11-01), Oetiker
patent: 4430775 (1984-02-01), Arthur
patent: 4517708 (1985-05-01), Calmettes et al.
patent: 4523352 (1985-06-01), Wachter
patent: 4724583 (1988-02-01), Ojima
patent: 4802261 (1989-02-01), Mizukoshi et al.

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