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Critical life-saving role played
by the not-so-simple door closer
By Michael
Skelding, general
manager and
secretary of
the Door and
Hardware
Federation
»»THE DHF REPRESENTS
the UK’s leading
manufacturers
of locks, door
hardware and
architectural
ironmongery.
This is the latest in
a series of articles
in The Locksmith
informing locksmiths and
security professionals about the
latest developments within the
industry.
Consider for a moment
the simple door closer. The
replacement of door closers is a
routine job for many locksmiths,
along with the replacement
of hinges, handles and other
items of door furniture. But a
door closer is not so simple ...
in fact, the door closer is one
of the most complicated of
all architectural ironmongery
products.
It combines a complex
mixture of geometry, physics,
hydraulics and mechanical
leverage to ensure the door can
be opened with ease by the user
yet delivers a high automatic
closing