Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – Metal bands
Patent
1993-07-15
1994-05-03
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
Metal bands
24 20CW, 24 20EE, B65D 6300
Patent
active
053075412
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, 110a; 11b, 110b) of the clamp band (11, 110) made of metal strip material (M) are forced by an operating tool to close until the seizing tooth (16a, 160a) of the inner overlap portion (11a, 110a) and the fixed tooth (22b, 220b) of the outer overlap portion (11b, 110b) seize each other, thereby contracting the bore diameter of the clamp band (11, 110). This state is locked by a prop key (23, 230) extending from the outer overlap portion (11b, 110b) to engage the inner overlap portion (11a , 110a), while an elastic hump (25) for storing the spring force acting circumferentially of the clamp band (11, 110) is outwardly bulged from the outer overlap portion (11b, 110b).
REFERENCES:
patent: 3082498 (1963-03-01), Oetiker
patent: 3286314 (1966-11-01), Oetiker
patent: 3402436 (1968-09-01), Oetiker
patent: 3789463 (1974-02-01), Oetiker
patent: 4299012 (1981-11-01), Oetiker
patent: 4315348 (1982-02-01), Oetiker
patent: 4492004 (1985-01-01), Oetiker
patent: 4919682 (1990-04-01), Bellazzi
patent: 4991266 (1991-02-01), Oetiker
Kobushiki Kaisha Kenlock
Sakran Victor N.
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