Clamp structure with improved spring action

Details Clamp structure with improved spring action Clamp structure with improved spring action

1991-04-08

1992-08-18

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

Metal bands

24 20CW, 24 20LS, B65D 6302

Patent

active

051387476

ABSTRACT:
An auxiliary spring structure for use with open clamps in which the auxiliary spring member is contained within a cage formed by the outer band portion whereby the free leg portions of the auxiliary spring member extend through slot-like openings in the cage to engage the latter from the outside so as to resist elastically forces seeking to enlarge the circumferential dimensions of the clamp. In another embodiment, the auxiliary spring structure is formed by one or preferably several interengaged leaf springs which are connected between the end area of the outer band portion and the clamping band near the beginning of the inner band portion. Any gaps resulting in the auxiliary spring structure are thereby covered by the full band width of the inner band portion. The auxiliary spring structure of this invention can be used with one-ear clamps, earless clamps and screw-type clamps.

REFERENCES:
patent: 2405912 (1946-08-01), Tinnerman
patent: 3295176 (1967-01-01), Bright
patent: 3510918 (1970-05-01), Oetiker
patent: 4299012 (1981-11-01), Oetiker
patent: 4312101 (1982-01-01), Oetiker
patent: 4315348 (1982-02-01), Oetiker
patent: 4430775 (1984-02-01), Arthur
patent: 4497090 (1985-02-01), Proctor
patent: 4523352 (1985-06-01), Wachter
patent: 4712278 (1987-12-01), Oetiker
patent: 4742600 (1988-05-01), Calmettes et al.

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