Spring devices – Vehicle – Leaf
Patent
1996-12-24
1999-01-19
Johnson, Brian L.
Spring devices
Vehicle
Leaf
267 51, 267 52, 267164, 267244, 267247, 267 361, 28012417, 280124171, 2801241, B60G 1102
Patent
active
058606378
ABSTRACT:
Rubber shock absorber systems for use between the frame and equalizer bar of a construction vehicle usually fail to withstand high temperature environments. A metallic spring assembly is provided which is capable of high flexibility and durability. The spring assembly includes a first arcuate spring member and a second arcuate spring member adjacent to and inverted from the first spring member. First and second arcuate plate members are positioned against the first and second spring members respectively, and have a larger bend radius so that a clearance is created therebetween. A bolt with a plate nut threaded thereon is provided to connect the spring assembly and to provide a preload. During compressive loading, opposing end portions of the first and second spring portions are deformed to provide an energy absorbing system. The flexibility and durability of the spring assembly is controlled by the bend radius, thickness, and length of the plate members.
REFERENCES:
patent: 168430 (1875-05-01), Thomas
patent: 1819548 (1931-08-01), Erickson
patent: 1824205 (1931-09-01), Hasley
patent: 2572919 (1951-10-01), French
patent: 3185428 (1965-05-01), Farabaugh, Jr.
patent: 3879025 (1975-04-01), Dillard
patent: 4232754 (1980-11-01), Corrigan
patent: 5730427 (1998-03-01), Hower
Caterpillar Inc.
Charlton Diana L..
Jasmin Lynda
Johnson Brian L.
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