Hinges & Locks

Questions Q1 Where is a Back-Flap hinge used?. Q2 Where is a Till Lock used?. Q3 Where would a quadrant stay hinge be used?. Q4 Sketch the following and state where they are used (a) Bird’s beak lock (b) Piano Hinge (c) Soss Hinge (d) Escutcheon (e) Mortise Lock (f) Quadrant Stay Q5 Where would you use a Link Plate Lock

Answers 1 On a Writing flap of a Bureau. 2 On a drawer. Till Lock 3 It is both a hinge and a stay used as a door stay. 4 Bird’ Beak lock is used on roll top doors. Piano Hinge used for piano lids flush fitting doors.

Soss Hinge fitted in the edge of door is invisible when door is closed. Escutcheon used to protect the keyhole Mortise lock fitted in the edge of the door. Quadrant Stay used for Fall flaps 5 Link Plate Lock used on a Filing Cabinet.

Name These Items a b c d e f g h I j

Name These Items f Lift off hinge c Soss Hinge d invisible / Soss Hinge a Lift off pin hinge b Loose pin hinge e Counter hinge f Lift off hinge g Drawer lock j Box lock h Flush Hinge i Quadrant Stay

How to fit a Cut Cupboard lock

Ironmongery