| 摘要 |
A mortice unit 10 comprises a plastics moulded body 20 with a face plate portion 21, and a pair of support members 15 and 16 inserted into a rear part of the body to define therewith an open ended guideway which extends longitudinally of the body to the rear of the plate portion 21; a slider 34 is slidably located in the guideway and a securing member comprises an arm 32 which extends into an opening in the face plate portion 21 from a hub 31 located in the rear of the body, and a linkage arrangement (35,37), 38,39 connects the arm with slider 34. As shown, arm 32 is swung between a retracted position (Figure 1) and a locking position (Figure 3) by arcuate movement of a handle having a square section shaft 56. 11 is a directly actuated bolt member. The linkage comprises a pin 38 slidably engaging a slot 39 in arm 32 but other arrangements are envisaged. An installation may include both master and slave forms of the apparatus (see Figure 6). with operating members 12 interconnecting with units 10. Details of the fastening of the body and the assembly of the unit are given. <IMAGE> |
