Manual accumulator type atomizer

Claim 2

A liquid spraying device, comprising: a container for holding liquids, having a neck portion; an atomizer body having a peripheral portion for engaging the neck portion of said container, having a radially inwardly extending flange-like upper wall connected to said peripheral portion and a main cylindrical portion extending vertically from said upper wall, said main cylindrical portion having a lower, small-diameter hollow cylindrical portion and an upper, large-diameter cylindrical guide portion, said guide portion having an annular recess on its inner surface, a hole being perforated at the junction between said small-diameter lower cylindrical portion and said guide portion; an atomizer head slidably held by said atomizer body, having an upper wall and a peripheral wall; a large-diameter hollow cylindrical member, having an upper portion and a sidewall with an exhaust hole in the sidewall, held within the peripheral wall of said atomizer head; an engaging member integral with the upper portion of said large-diameter cylindrical member having a downwardly extending rod portion and rod-like valve body which is slidably located in the small-diameter cylindrical portion of said atomizer body; a piston member having a tubular portion which is slidably engaged on the rod portion of said engaging member having a skirt-like small-diameter piston at the lower end of said piston member surrounded by the small-diameter cylindrical portion of said atomizer body and a skirt-like large-diameter upper piston surrounded by said large-diameter cylindrical member, said exhaust hole being openable upon relative movement between said piston member and said large-diameter cylindrical member; a suction tube engaged with the lowermost portion of said small-diameter cylindrical portion of said atomizer body for intake of liquid from said container; spring means for upwardly urging said atomizer head, said piston member and said engaging member; said atomizer body having a suction valve hole at the inside bottom of said small-diameter cylindrical portion of said atomizer body, said exhaust hole being in communication with a nozzle outlet formed in said atomizer head, a liquid passage being defined between the outer surface of said engaging member and the inner surface of said piston member, said valve body having a longitudinal slot formed at its upper portion for allowing communication between the small-diameter lower portion of said atomizer body and said suction tube when said valve body reaches a lowermost position.

Claim 3

A liquid spraying device, comprising: a container for holding liquids, having a neck portion; an atomizer body having a peripheral portion for engaging the neck portion of said container, having a radially inwardly extending flange-like upper wall connected to said peripheral portion and a main cylindrical portion extending vertically from said upper wall, said main cylindrical portion having a lower, small-diameter hollow cylindrical portion and an upper, large-diameter cylindrical guide portion, said guide portion having an annular recess on its inner surface, a hole being perforated at the junction between said small-diameter lower cylindrical portion and said guide portion; an atomizer head slidably held by said atomizer body, having an upper wall and a peripheral wall; a large-diameter hollow cylindrical member, having an upper portion with an exhaust hole in the upper portion, held within the peripheral wall of said atomizer head; an engaging member contactable with the upper portion of said large-diameter cylindrical member for closing said exhaust hole, having a downwardly extending rod portion and rod-like valve body which is slidably located in the small-diameter cylindrical portion of said atomizer body; a piston member having a tubular portion, for carrying said engaging member, having a skirt-like small-diameter piston at the lower end of said piston member surrounded by the small-diameter cylindrical portion of said atomizer body and a skirt-like large-diameter upper piston surrounded by said large-diameter cylindrical member, said piston member being slidable relative to said large-diameter cylindrical member, said exhaust hole being openable upon relative movement between said piston member and said large-diameter cylindrical member; a suction tube engaged with the lowermost portion of said small-diameter cylindrical portion of said atomizer body for intake of liquid from said container; spring means for upwardly urging said atomizer head, said piston member and said engaging member; said atomizer body having a suction valve hole at the inside bottom of said small-diameter cylindrical portion of said atomizer body, said exhaust hole being in communication with a nozzle outlet formed in said atomizer head, a liquid passage being defined between the outer surface of said engaging member and the inner surface of said piston member, said valve body having a longitudinal slot formed at its upper portion for allowing communication between the small-diameter lower portion of said atomizer body and said suction tube when said valve body reaches a lowermost position.

Claim 4

A liquid spraying device, comprising: a container for holding liquids, having a neck portion; an atomizer body having a peripheral portion for engaging the neck portion of said container, having a radially inwardly extending flange-like upper wall connected to said peripheral portion and a main cylindrical portion extending vertically from said upper wall, said main cylindrical portion having a lower, small-diameter hollow cylindrical portion and an upper, large-diameter cylindrical guide portion, said guide portion having an annular recess on its inner surface, a hole being perforated at the junction between said small-diameter lower cylindrical portion and said guide portion; an atomizer head slidably held by said atomizer body, having an upper wall and a peripheral wall; a large-diameter hollow cylindrical member, having an upper portion with an exhaust hole in the upper portion, held within the peripheral wall of said atomizer head; an engaging member contactable with the upper portion of said large-diameter cylindrical member for closing said exhaust hole, having a downwardly extending rod portion and rod-like valve body which is slidably located in the small-diameter cylindrical portion of said atomizer body; a piston member having a tubular portion, for carrying said engaging member, having a skirt-like small-diameter piston at the lower end of said piston member surrounded by the small-diameter cylindrical portion of said atomizer body and a skirt-like large-diameter upper piston surrounded by said large-diameter cylindrical member, said piston member being slidable relative to said large-diameter cylindrical member, said exhaust hole being openable upon relative movement between said piston member and said large-diameter cylindrical member; a suction tube engaged with the lowermost portion of said small-diameter cylindrical portion of said atomizer body for intake of liquid from said container; spring means for upwardly urging said atomizer head, said piston member and said engaging member; said atomizer body having a suction valve hole at the inside bottom of said small-diameter cylindrical portion of said atomizer body, said exhaust hole being in communication with a nozzle outlet formed in said atomizer head, a liquid passage being defined between the outer surface of said engaging member and the inner surface of said piston member, said valve body having a longitudinal slot formed at its upper portion for allowing communication between the small-diameter lower portion of said atomizer body and said suction tube when said valve body reaches a lowermost position.

Claim 5

A liquid spraying device, comprising: a container for holding liquids, having a neck portion; an atomizer body having a peripheral portion for engaging the neck portion of said container, having a radially inwardly extending flange-like upper wall connected to said peripheral portion and a main cylindrical portion extending vertically from said upper wall, said main cylindrical portion having a lower, small-diameter hollow cylindrical portion and an upper, large-diameter cylindrical guide portion, said guide portion having an annular recess on its inner surface, a hole being perforated at the junction between said small-diameter lower cylindrical portion and said guide portion; an atomizer head slidably held by said atomizer body, having an upper wall and a peripheral wall and being formed with an interior large-diameter hollow cylindrical portion, having an upper portion with an exhaust valve in the upper portion; an engaging member contactable with the upper portion of said large-diameter cylindrical portion, for closing said exhaust hole, having a downwardly extending rod portion and rod-like valve body which is slidably located in the small-diameter cylindrical portion of said atomizer body; a piston member having a tubular portion, for carrying said engaging member, having a skirt-like small-diameter piston at the lower end of said piston member surrounded by the small-diameter cylindrical portion of said atomizer body and a skirt-like large-diameter upper piston surrounded by said large-diameter cylindrical portion, said piston member being slidable relative to said large-diameter cylindrical portion, said exhaust hole being openable upon relative movement between said piston member and said large-diameter cylindrical portion; a suction tube engaged with the lowermost portion of said small-diameter cylindrical portion of said atomizer body for intake of liquid from said container; spring means for upwardly urging said atomizer head, said piston member and said engaging member; said atomizer body having a suction valve hole at the inside bottom of said small-diameter cylindrical portion of said atomizer body, said exhaust hole being in communication with a nozzle outlet formed in said atomizer head, a liquid passage being defined between the outer surface of said engaging member and the inner surface of said piston member, said valve body having a longitudinal slot formed at its upper portion for allowing communication between the small-diameter lower portion said atomizer body and said suction tube when said valve body reaches a lowermost position.

Claim 6

A liquid spraying device, comprising: a container for holding liquids, having a neck portion; an atomizer body having a peripheral portion for engaging the neck portion of said container, having a radially inwardly extending flange-like upper wall connected to said peripheral portion and a main cylindrical portion extending vertically from said upper wall, said main cylindrical portion having a lower, small-diameter hollow cylindrical portion and an upper, large-diameter cylindrical guide portion, said guide portion having an annular recess on its inner surface, a hole being perforated at the junction between said small-diameter lower cylindrical portion and said guide portion; an atomizer head slidably held by said atomizer body, having an upper wall and a peripheral wall and being formed with an interior large-diameter hollow cylindrical portion, having an upper portion with an exhaust valve in the upper portion; an engaging member contactable with the upper portion of said large-diameter cylindrical portion, for closing said exhaust hole, having a downwardly extending rod portion and rod-like valve body which is slidably located in the small-diameter cylindrical portion of said atomizer body; a piston member having a tubular portion, for carrying said engaging member, having a skirt-like small-diameter piston at the lower end of said piston member surrounded by the small-diameter cylindrical portion of said atomizer body and a skirt-like large-diameter upper piston surrounded by said large-diameter cylindrical portion, said piston member being slidable relative to said large-diameter cylindrical portion, said exhaust hole being openable upon relative movement between said piston member and said large-diameter cylindrical portion; a suction tube engaged with the lowermost portion of said small-diameter cylindrical portion of said atomizer body for intake of liquid from said container; spring means for upwardly urging said atomizer head, said piston member and said engaging member; said atomizer body having a suction valve hole at the inside bottom of said small-diameter cylindrical portion of said atomizer body, said exhaust hole being in communication with a nozzle outlet formed in said atomizer head, a liquid passage being defined between the outer surface of said engaging member and the inner surface of said piston member, said valve body having a longitudinal slot formed at its upper portion for allowing communication between the small-diameter lower portion said atomizer body and said suction tube when said valve body reaches a lowermost position.

Claim 7

A liquid spraying device as claimed in claim 2 or 3, wherein said engaging member comprises an upper, large-diameter rod portion having a conical valve body at the top of said large-diameter rod portion for forming an exhaust valve with said exhaust hole of the large-diameter cylinder, an intermediate-diameter rod portion extending downwardly from said large-diameter rod portion and a small-diameter rod-like body extending downwardly from said intermediate-diameter rod portion.

Claim 8

A liquid spraying device as claimed in claim 1, 2 or 3 further comprising a reduced-diameter guide portion extending downwardly from said rod-like body.

Claim 9

A liquid spraying device as claimed in any one of claims 1 through 3, wherein said piston member further comprises an intermediate-diameter piston disposed between said large-diameter piston and said small-diameter piston, said intermediate-diameter piston being surrounded by said guide portion of said atomizer body.