BS 5872:1980
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
12-18-2003
English
06-30-1980
Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Dimensions of locks and latches
5 Finishes
6 Test sample
7 Sequence of tests
8 Performance requirements
9 Marking
Appendix
A Test methods
Tables
1 Figures showing dimensions for locks and latches in
category A
2 Strength of bolt spring
Figures
1 Cylinder rim night latch (general details)
2 Cylinder rim night latch (cylinder, rose and
backplate details)
3 Horizontal mortice lock
4 Upright mortice lock and bathroom lock
5 Striking plates for upright mortice locks and
bathroom locks
6 Mortice latch (flat case)
7 Mortice latch (tubular case)
8 Bored lock or latch set
9 Apparatus for testing freedom of operation of
follower and spring bolt action in rim and mortice
locks and latches
10 Apparatus for testing freedom of operation of cap
follower and spring bolt action in cylinder rim
night latches
11 Apparatus for testing strength of knob spindle,
knob, spring bolt and stopping medium in bored latch
sets
12 Apparatus for testing axial strength of knobs of
bored lock and latch sets
13 Apparatus for testing strength of connecting bar in
rim cylinders
14 Apparatus for testing strength of key
15 Apparatus for testing spring bolt through follower
or knob
16 Apparatus for testing spring bolt through striking
plate or staple
17 Apparatus for testing strength of lock or latch
case, forend and bolt, staple and striking plate
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