Joints and connections – Flexible diaphragm or bellows
Patent
1987-09-18
1990-02-20
Shoap, Allan N.
Joints and connections
Flexible diaphragm or bellows
277212FB, 403 76, 403134, 464173, F16C 1106, F16J 1552
Patent
active
049021575
ABSTRACT:
A sealing structure for a ball joint of a wiper link mechanism is provided with a boot. A boot-engaging part is formed on an outer periphery adjacent an opening of said ball retainer and a retainer-engaging part is formed at the end of the boot which includes a flexible part. The boot can seal the opening of the ball retainer in the limited space between the plate-shaped link arm and the plate-shaped link connecting rod in the state in which the ball pin is coupled to the ball retainer. It is able to prevent water, mud or the like from entering into the spherical hollow of the ball retainer even if the link arm and the link connected rod are inclined to each other.
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patent: 4419027 (1983-12-01), Trudfau
patent: 4527803 (1985-07-01), Rose
Ishikawa Masaru
Itoh Yuichi
Jidosha Denki Kogyo Kabushiki Kaisha
Shoap Allan N.
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