Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – Metal bands
Patent
1988-12-23
1990-04-10
Brittain, James R.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
Metal bands
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.
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patent: 4724583 (1988-02-01), Ojima
patent: 4802261 (1989-02-01), Mizukoshi et al.
Brittain James R.
NHK Spring Co. Ltd.
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