Oil pan bolt with retaining means

Details Oil pan bolt with retaining means Oil pan bolt with retaining means

1996-01-11

1997-05-13

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Multipart

411392, 411419, 411999, 285117, 138 89, F16B 3502, F16L 5510

Patent

active

056286015

ABSTRACT:
An oil pan bolt with a standard bolt head and a sealing flange that fits against the oil pan. Extending from the head of the bolt is a threaded portion that is inserted into the threads of the oil pan drain hole. An extension piece extends from the distal end of the threaded portion of the bolt. At a distal end of the extension piece is a retaining element. One way of forming the retaining element is to have another small threaded portion at the distal end of the extension piece.

REFERENCES:
patent: 2053918 (1936-09-01), Peretzman
patent: 2225205 (1940-12-01), Brooks
patent: 3592250 (1971-07-01), Petroschanoff
patent: 4776737 (1988-10-01), Wollar
patent: 4810148 (1989-03-01), Aisa et al.
patent: 4854797 (1989-08-01), Gourd

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