Mechanical fuse for reciprocating roller chain

Details Mechanical fuse for reciprocating roller chain Mechanical fuse for reciprocating roller chain

1988-02-10

1989-07-11

Bui, Thuy M.

Endless belt power transmission systems or components

Positive drive belt

Belt formed of rigid links

403 2, F16G 1500

Patent

active

048467693

ABSTRACT:
A mechanical fuse for a reciprocating roller chain is provided which protects mechanical apparatus, such as a carriage assembly, from damage due to a mechanical power surge, or overload. A stirrup shaped body portion is included with a protruding member and a receiving member disposed thereon. The protruding member connects with a master link in the roller chain and the receiving member is connectable via a shear pin to either an end link in the roller chain, or the mechanical apparatus being protected. The shear pin is placed perpendicularly to the direction of the potential mechanical power surge and shears upon application of a tangential force which is greater than can be withstood by the shear pin, but less than the amount of force which will damage the mechanical apparatus, or any other drive components. Therefore, the shear pin separates and interrupts the roller chain path, relieving any mechanical overload, prior to any damage being sustained by the mechanical apparatus or roller chain.

REFERENCES:
patent: 1568992 (1926-01-01), Mudge
patent: 3082684 (1963-03-01), Sturla
patent: 3847031 (1974-11-01), Araya
patent: 3922104 (1975-11-01), McCullough
patent: 3939721 (1976-02-01), Kuenzig et al.
patent: 3944023 (1976-03-01), Fisher
patent: 4035092 (1977-07-01), Adams, Jr.
patent: 4716635 (1988-01-01), Flocchini

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