Trigger type sprayer with integrally formed locking nozzle cover

In a trigger type sprayer which comprises a sprayer body provided with a cylinder through which a piston slides, and engaged with a liquid container;

• a trigger rotatably coupled to said sprayer body;
• a nozzle on said sprayer body, said nozzle having an ejection hole at an end portion thereof to eject a liquid spray and spring means coupled to said trigger for urging said trigger outward;
• the improvement wherein said sprayer further comprises:
• a nozzle cover integrally formed with said nozzle and connected to said nozzle through an integral hinge, said nozzle cover having a free end opposite said integral hinge and said nozzle cover including a seal section located intermediate said integral hinge and said free end of said nozzle cover for sealing said ejection hole of said nozzle in liquid-tightness by abutment against said ejection hole;
• an engagement section formed in said nozzle;
• a first lock section formed at the free end of said nozzle cover and which includes means for snap-fit engagement in said engagement section in said nozzle, said first lock section, when snap-fitted in said engagement section of said nozzle, locking said nozzle cover in said nozzle with said seal section in sealing abutment with said ejection hole;
• an engagement hole formed in the upper surface of said sprayer body;
• and
• a second lock section formed in said nozzle cover and which includes means for snap-fit engagement in said engagement hole in said upper surface of said sprayer body, said second locking section, when snap-fitted in said engagement hole, locking said nozzle cover to said sprayer body.