Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – Metal bands
Patent
1993-07-15
1994-12-27
Brittain, James R.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
Metal bands
24 20TT, F16L 3304
Patent
active
053752996
ABSTRACT:
The present invention relates to a clamping device for semipermanently fixing a part, such as a fluid conveying hose, dustproof bellows, axial boot or the like, on the circumferential surface of an desired mating device. According to this invention, even if such part looses its elasticity owing to aging, the clamping device maintains the permanent stable firm clamping state. For this purpose, the inner and outer overlap portions (11a, 11b) of the clamp band (11) are forced by an operating tool to spread until the seizing tooth (18a) of the inner overlap portion (11a) and the fixed tooth (22b) of the outer overlap portion (11b) seize each other, thereby contracting the bore diameter of the clamp band (11). This state is locked by a prop key (23) extending from the outer overlap portion (11b) to engage the inner overlap portion (11a), while an elastic hump (25) for storing the spring force acting circumferentially of the clamp band (11) is outwardly bulged from the outer overlap portion (11b).
REFERENCES:
patent: 3082498 (1963-03-01), Oetiker
patent: 3286314 (1966-11-01), Oetiker
patent: 3402436 (1968-09-01), Oetiker
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patent: 4299012 (1981-11-01), Oetiker
patent: 4315348 (1982-02-01), Oetiker
patent: 4492004 (1985-01-01), Oetiker
patent: 5103535 (1992-04-01), Ishijima
patent: 5191684 (1993-03-01), Kenwright
patent: 5283931 (1994-02-01), Oetiker
patent: 5307541 (1994-05-01), Nagano
Brittain James R.
Kabushiki Kaisha Kenlock
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