Mechanical fuse

Details Mechanical fuse Mechanical fuse

1982-06-11

1988-01-05

Aschenbrenner, Peter A.

Buckles, buttons, clasps, etc.

Separable-fastener or required component thereof

Each mating member having similarly shaped, sized, and...

24662, A44B 1900

Patent

active

047166355

ABSTRACT:
A two section mechanical fuse is disclosed. A first spring biased section fabricated from a wire is bent to a triangular configuration. This triangularly bent wire has two overlapping base portions held in side-by-side juxtaposition by the spring force of the wire. A bar having a radially extending tongue is captured within the triangular bent wire section. The tongue is captured between and protrudes outwardly from the side-by-side overlapping base members drawing the attached bar into contact with these side-by-side members. Under normal tensive strain the tongue and bar form the fused link in any tensive member to which the device is inserted, for example the teat cup assembly to a retractor in a dairy farm. Where force exceeding the fused limit is encountered, the tongue draws the bar between the two triangular base pieces. Forced opening of the two side-by-side members occurs, the fuse parts, and breakage elsewhere is averted.

REFERENCES:
patent: 256755 (1882-04-01), Spangler
patent: 278346 (1883-05-01), Long
patent: 601384 (1898-03-01), Schooley
patent: 717371 (1902-12-01), Faulkner
patent: 1389173 (1921-08-01), Watkins
patent: 1571117 (1926-01-01), Guttman et al.
patent: 2833010 (1958-05-01), Rosenthal
patent: 3686711 (1972-08-01), Kuramoto et al.

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