Lock follower, particularly a cylinder follower, and a method of manufacturing the same
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United States of America Patent
Stats
-
Jan 29, 1980
Grant Date -
N/A
app pub date -
Mar 7, 1978
filing date -
Mar 8, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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