| 摘要 |
A dispenser unit for flowable material adapted for single use and secured to a wall with a reusable wall plate. The dispenser is an assembled unit which, as a unit, is mountable to and removable from the mounting plate. The dispensing unit comprises a reservoir bottle with an outlet opening and a piston pump mechanism having a piston chamber forming element 52 coupled to the opening of the reservoir and a piston member reciprocally slidable in the piston chamber. The dispenser further comprises an actuator member 16 having a support member 60 coupled to the reservoir about its opening and a presser member 61 with a spring member 100 biasing the presser member in an extended position and wherein the spring member together with at least one of the presser member and the support member comprises a unitary element injection moulded form plastic. |
