Air cleaning assembly including a fastening assembly having a no

Details Air cleaning assembly including a fastening assembly having a no Air cleaning assembly including a fastening assembly having a no

1983-02-28

1984-11-13

Lacey, David

Gas separation

With separate flow line access means or filter media passage...

Access means is clamping or coupling means for unit filter...

55496, 55502, 55503, 411303, 411369, 411435, 411903, B01D 4624, F16B 3934, F16B 3716

Patent

active

044823681

ABSTRACT:
An improved fastening assembly having application for securing a filter element within an air cleaner and incorporating a novel wing nut construction. As used with an air cleaner, the wing nut is engaged with a large diameter threaded portion of a connecting bolt and acts to secure a filter element within an air cleaner housing, while an outer knob is engaged with a smaller diameter threaded section of the bolt and bears against a cover to secure the cover to a housing. The wing nut is provided with an inner threaded metal section which is molded within an outer plastic wing section. The inner nut portion includes a plastic ring having an inner diameter slightly less than the thread on the nut and serves to seal against the thread on the bolt and prevent leakage of air along the threaded connection, as well as preventing the loosening of the threaded connection due to vibration. In addition, the nut is provided with an enlarged base, which bears against the cap, and a cylindrical shank that projects through the opening in the cap and prevents direct contact between the threaded bolt and the cap.

REFERENCES:
patent: 248975 (1881-11-01), Wootten
patent: 750675 (1904-01-01), Michelin
patent: 1547463 (1925-07-01), Styan
patent: 1797766 (1931-03-01), Frye
patent: 2450694 (1948-10-01), Sauer
patent: 3273441 (1966-09-01), Biesecker
patent: 3289724 (1966-12-01), Ernest
patent: 4300928 (1981-11-01), Sugie et al.
patent: 4373842 (1983-02-01), Bettini et al.
patent: 4388091 (1983-06-01), Khosropour

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