Swing away manway assembly

Details Swing away manway assembly Swing away manway assembly

1991-12-10

1993-02-09

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

One direction imparts gravitational bias to swinging...

49 41, 49247, 49394, 52 20, 404 25, E05D 706, E05F 104

Patent

active

051844222

ABSTRACT:
A swing away manway assembly for a tubular fluid conveying system having a manway opening in a first horizontal plane, the assembly including a cover disposed in a second parallel horizontal plane. The manway cover includes a circumferential sealing means for continuous sealing of the manway opening. The cover is provided with latch means for alternatively engaging and releasing the sealing means. Swing away means is secured to the cover in a plane perpendicular to the first and second horizontal planes of the cover and opening. The swing away means is adapted to facilitate swinging movement of the cover in a horizontal plane upon release of the sealing means. The swing away means includes biasing means for cooperation with the latch means in urging sealing engagement of the cover with the opening, and cam means for limited vertical movement of the cover during horizontal rotation thereof.

REFERENCES:
patent: 1158875 (1915-11-01), Warman
patent: 1226766 (1917-05-01), Gammeter
patent: 1241397 (1917-09-01), Keith
patent: 1610766 (1926-12-01), Gildersleeve
patent: 3605337 (1969-05-01), Rodgers
patent: 4391020 (1983-07-01), Hsu
patent: 4607760 (1986-08-01), Roche

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