Patent ID: 6938836

Claim:
A reservoir for use with a liquid spraying apparatus, the reservoir comprising: a. an outlet connectable to the liquid spraying apparatus; b. a valve device for opening and plasma the outlet, wherein the valve device is incorporated in the fluid outlet, and the fluid outlet is adapted for releasable connection to the spraying apparatus via the valve device, wherein the valve device further comprises coaxial inner and outer members that are relatively movable in an axial direction to open and close the outlet, wherein the inner member is in the form of a spout, and the outer member is in the form of a sleeve slidable on the spout to open and close the outlet; c. an adapter for connecting the reservoir to the spraying apparatus, wherein the adapter comprises a tubular body having a screw thread or other suitable means at one end for connection to the spraying apparatus and the sleeve is a push-fit in the other end to provide a fluid-tight seal therebetween, wherein the sleeve is provide with a pair of diametrically opposed retainer hooks for releasable locking engagement with the adapter to prevent axial separation of the sleeve and adapter, and wherein the retainer hooks are connected to the sleeve via respective support arms provided with finger grips or pulls for manually releasing the retainer hooks to detach the reservoir from the adapter.