| 摘要 |
A multi-purpose switch assembly (10) used in combination with a latch assembly as part of a vehicle central door locking (CDL) system incorporates a switch shaft (14) whose inner end is provided with camming formations co-acting with switch contact blades protected within a housing. Actuating levers are selectively interchangeably mountable on the shaft (14) outside the housing enabling a standard switch assembly to be readily adapted to different CDL operating modes. Thus the shaft may carry a first lever (44) in positive drive engagement with the shaft and directly coupled to a latch lever (42) of the latch mechanism so that the switch contacts are operated whenever locking or unlocking movement takes place. The shaft can also carry a separate key operated lever (52) not directly drivingly engaged therewith or with lever 44. Alternatively the shaft may carry a single lever serving as the key lever of the latch mechanism so as to be movable on actuation of a door key independently of any motion of the latch mechanism. The single lever has lost motion engagement with the shaft so that the shaft is only displaced during part of the full range of movement of the lever to provide for a second switching mode. <IMAGE> |
