Portable pressure sprayer

Details Portable pressure sprayer Portable pressure sprayer

1985-04-18

1986-08-19

Rolla, Joseph J.

Dispensing

With lock or fastening seal

Plural

2224008, 222474, B67B 500

Patent

active

046064770

ABSTRACT:
The disclosure concerns a reinforced plastic bottle or vessel with a relatively large neck with buttressed threads and bevelled rim on its neck onto which threads is screwed a cap assembly. This cap assembly comprises a plastic cap base member having a pair of parallel ribs forming a channel between an integral handle and a nozzle connection, a plastic manual air pump, a plastic siphon, a valve and spray nozzle assembly, and a lever disposed in said channel to operate the valve. The air pump is supported by an integral flange and depends vertically from the cap base member into the bottle with a disc-type checkvalve at its bottom. This air pump is attached to the cap base by a piston-guiding cap having a pair of diametrically opposite resilient hooks that snap into slots in parallel walls of said channel in the cap base member on each side of the piston-guiding cap. Also depending from the cap base member is a plastic siphon tube with a plastic screen at its lower end, and the upper end of this siphon tube is connected to a fluid duct in the nozzle connection. An L-shape first class lever extends from the handle in said channel to a point above the nozzle connection and has a depending forked arm for operating a tubular valve slidably mounted in the nozzle connection through which tubular valve the spraying fluid is conducted.

REFERENCES:
patent: 1112202 (1914-09-01), Estes
patent: 2111961 (1938-03-01), Brandt

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