Leaf spring assembly for wheel suspension

Patent · Tue Sep 16 00:00:00 EDT 1986

OSTI ID:5351755

Nishiyama, K; Mishima, Y; Kuwayama, K

This patent describes a leaf spring assembly which consists of: a longitudinal leaf spring made of fiber reinforced plastics having a first surface to be applied with a tension force and a second surface to be applied with a compression force, the first surface of the leaf spring being a flat surface, and the second surface of the leaf spring being provided with a protrusion located substantially at the central portion of the leaf spring. The protrusion is made of a number of laminated short fibrous sheet-like materials saturated with synthetic resin, the short fibrous sheet-like materials of the protrusion being laminated independently and separately from reinforcement fibrous sheet-like materials in the leaf spring; a pair of pad members of elastic material attached to the first and second surfaces of the leaf spring; a pair of retainer plates attached to the first and second surfaces of the leaf spring through the pad members, one of the retainer plates being formed with an indented portion coupled with the protrusion of the leaf spring through one of the pad members without any clearance to clamp the leaf spring at its central portion and being further provided with a pair of protruded portions which are arranged adjacent to the indented portion to retain the paid member in place by engagement therewith; and means for clamping the retainer plates to the leaf spring and mounting the same on an axle housing.

• Assignee: Toyota Jidosha Kabushiki Kaisha
• Patent Number(s): US 4611793
• OSTI ID: 5351755
• Resource Relation: Patent File Date: Filed date 21 Jun 1984
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
VEHICLES
SHOCK ABSORBERS
SUPPORTS
WHEELS
COMPRESSION
ELASTICITY
FASTENERS
REINFORCED PLASTICS
RESINS
SPRINGS
STRAINS
SYNTHETIC MATERIALS
MACHINE PARTS
MATERIALS
MECHANICAL PROPERTIES
MECHANICAL STRUCTURES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYMERS
REINFORCED MATERIALS
TENSILE PROPERTIES
330601* - Vehicle Design Factors- Body & Chassis