Method for securing a screw means in a preset position

Details Method for securing a screw means in a preset position Method for securing a screw means in a preset position

1992-07-08

1993-08-24

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Assembling or joining

295251, 295271, 1562722, 156293, 264322, B21D 3900

Patent

active

052377350

ABSTRACT:
The invention relates to a method for producing and securing a screw in a preset position to prevent unauthorized adjustment. The screw securing means according to the invention makes it possible to secure a screw connection in a simple manner, in that a screw head of thermoplastic plastic, which is at least partly located in a housing recess, is heated to such an extent that it changes to the liquid state, flows into the housing recess, and at least partially fills the housing recess. By form-fitting engagement with the threaded pin and the housing recess, security against twisting, and also against being rotated without authorization, is attained. Screws in components that vibrate severely, and adjusting screws that must not be adjusted by unauthorized third parties, can be secured with this screw securing means.

REFERENCES:
patent: 3134290 (1964-05-01), Jentoft
patent: 3781986 (1974-01-01), Joslyn et al.
patent: 4865687 (1989-09-01), Pierson
patent: 4975006 (1990-12-01), Swanson
patent: 4979281 (1990-12-01), Smith et al.
patent: 5018329 (1991-05-01), Hasan et al.
patent: 5121537 (1992-06-01), Matsui et al.
Dubbel, Taschenbuch fur den Maschinenbau, 16 Aufl., p E55.
Herausgegeben W. Beitz and U.-H. perdoc. Kuttner.
Machine Design--The Fasteners Book, 29.9. 1960 pp. 186-201.

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