Link rod of wiper for motor vehicle and method of manufacturing

Details Link rod of wiper for motor vehicle and method of manufacturing Link rod of wiper for motor vehicle and method of manufacturing

1992-05-26

1993-05-25

Luong, Vinh T.

Machine element or mechanism

Elements

Pitmans and connecting rods

74588, 403116, 403267, 295274, 294695, 264274, 280674, G05G 100, F16C 1100

Patent

active

052130088

ABSTRACT:
A link rod of a wiper for a motor vehicle, comprising: a cylindrical section; a pair of flat sections formed at opposite ends of the cylindrical section, respectively by crushing the opposite ends of the cylindrical section from above and below; and a pair of resinous coupling joints mounted on the flat sections, respectively; wherein a first hole having a large diameter and a second hole having a small diameter are, respectively, formed at outer and inner portions of each of the flat sections as viewed in a longitudinal direction of the cylindrical section; wherein a gap opens into an axially intermediate portion of a peripheral surface of the second hole such that interior of the cylindrical section is communicated with a mouth of the second hole through the gap; wherein each of the coupling joints includes a joint portion disposed at the first hole and seals the second hole and the gap, and a method of manufacturing the link rod.

REFERENCES:
patent: 4090283 (1978-05-01), Woolley
patent: 4613251 (1986-09-01), Bellamy et al.
patent: 4662772 (1987-05-01), Schultz
patent: 4695180 (1987-09-01), Saito
patent: 4872396 (1989-10-01), Wimbush
patent: 4903386 (1990-02-01), Teramachi
patent: 4918806 (1990-04-01), Watanabe et al.
patent: 5013175 (1991-05-01), Hayden
patent: 5092703 (1992-03-01), Kobayashi
patent: 5165306 (1992-11-01), Hellon

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