Mechanical interlock for open clamp structures

Details Mechanical interlock for open clamp structures Mechanical interlock for open clamp structures

1986-12-17

1991-02-12

Brittain, James R.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

Metal bands

24 20CW, F16L 3302

Patent

active

049912666

ABSTRACT:
A mechanical interlock for an open clamp structure which includes a clamping band having an outer band portion and an inner band portion, intended to overlap in the closed condition of the clamp structure. The inner band portion is provided in the area near its end at least with an outwardly extending combined guide and support hook whose inclined guide and support surface is formed by its rear edge facing away from the free end of the inner band portion; the rear edge forming the guide and support surface is thereby non-rectilinear, as viewed in the axial direction of the clamp structure, to facilitate assembly of the clamp structure and minimize down-time of the machine for punching out the clamp structure. To further improve its holding ability, the rear edge includes a widened portion at least near the area where the outer band portion comes to lie when the clamp is installed on an object to be fastened.

REFERENCES:
patent: 1687854 (1928-10-01), Anderson
patent: 1851733 (1932-03-01), Shapiro
patent: 2970359 (1961-02-01), Dryden
patent: 3501814 (1970-03-01), Anderson et al.
patent: 4299012 (1981-11-01), Oetiker
patent: 4442154 (1984-04-01), Fortsch et al.
patent: 4492004 (1985-01-01), Oetiker
patent: 4517708 (1985-05-01), Calmettes et al.
patent: 4581792 (1986-04-01), Spier
patent: 4622720 (1986-11-01), Oetiker

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