Method of manufacturing a lock cylinder follower

Details Method of manufacturing a lock cylinder follower Method of manufacturing a lock cylinder follower

1979-07-27

1981-05-12

Lazarus, Richard B.

Metal fusion bonding

Process

With supplementary mechanical joining

228144, 228173C, 29505, B23K 3100

Patent

active

042667119

ABSTRACT:
A lock follower comprises two main parts, i.e. a central part and a cylindrical bearing part which are attached to each other. The central part is punched from a sheet-metal blank. The cylindrical bearing part partially surrounds the central part and has a slot through which a portion of the central part projects. The bearing part may comprise a piece of tubular material or alternatively a strip of material wound to cylindrical shape on a portion of the periphery of the central part. The two parts may be joined together by welding or by deformation of material belonging to either or both parts.
The invention also concerns a method of manufacturing a lock follower of the above-mentioned kind, whereby for the cylindrical bearing part initially either a tubular piece of material or a piece of strip material is used.

REFERENCES:
patent: 2148257 (1939-02-01), Budd
patent: 2619817 (1952-12-01), Lenton
patent: 3871063 (1975-03-01), Halvorsen

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