Safety dispensing device

Claim 2

A safety dispensing device for a container, said device comprising: an elongated dispensing valve including a tubular stem mounted on said container for limited reciprocation between a normal, closed position and an open, dispensing position; an actuator coupled to the upper end of said stem; an abutment surface extending along the lower side of said actuator of said valve; a rotary safety ring encircling a portion of said valve and comprising a disc and a tubular member upstanding from said disc and surrounding a portion of said stem above said container; an opposed abutment surface formed on the upper end of said tubular member and engaging said abutment surface on said valve to hold said valve in said closed position; and means for disengaging said abutment surfaces to release said valve for movement to said open position.

Claim 3

A safety dispensing device as defined in claim 1 in which said valve comprises: ''a two position mechanism within the container; means including said stem for actuating said two position mechanism and projecting therefrom through said tubular member; and said an actuator being attached to the end of said stem above said tubular member.

Claim 4

A safety dispensing device as defined in claim 2 in which said valve is actuated by depressing said stem a preset distance into the container; and wherein said means for disengaging said abutment surfaceS includes an axial notch in the upper end of said tubular member which allows said stem to be depressed only when said disc is in one preselected rotary position relative to said actuator.

Claim 5

A safety dispensing device as defined in claim 3 in which said actuator includes a nozzle projecting laterally therefrom; and said abutment surface is a downwardly facing surface formed laterally across a portion of the lower side of said actuator, said abutment surface normally engaging the upper end of said tubular member to hold said valve in said closed position.

Claim 6

A safety dispensing device as defined in claim 4 in which said abutment surface is formed by a lateral projection dimensioned to be slidable within said notch whereby when said disc is in said one preselected rotary position, said actuator can be depressed to move said lateral projection into said notch and open said valve.

Claim 7

A safety dispensing device as defined in claim 5 wherein indicator means are provided in said disc and said actuator for visually indicating when said disc is in said one position.

Claim 8

A safety dispensing device for a container having an open mouth, said dispensing device comprising: a cap overlying the mouth of the container; a tubular member extending through and projecting above the mouth of the container and having an axial keyway through one side thereof; a tubular valve projecting into the mouth of the container and mounted for limited reciprocation between open and closed positions in said tubular member; a lateral projection extending from one side of said valve through said keyway, and having a first abutment surface; and a rotary surface ring encircling a portion of said valve and having a second, internally formed abutment surface engagable with said first abutment surface to prevent reciprocation of said valve to said open position, said abutment surface being an upper radial surface defined by a recess in the inner sidewall of said ring and into which said lateral projection extends.

Claim 9

A safety dispensing device for a container having an open mouth, said dispensing device comprising: a cap overlying the mouth of the container; a tubular member extending through and projecting above the mouth of the container and having an axial keyway through one side thereof; a tubular valve projecting into the mouth of the container and mounted for limited reciprocation between open and closed positions in said tubular member; a lateral projection extending from one side of said valve through said keyway, and having a first abutment surface; and a rotary surface ring encircling a portion of said valve and having a second, internally formed abutment surface engagable with said first abutment surface to prevent reciprocation of said valve to said open position, said abutment surface being an upper radial surface defined by a recess in the inner sidewall of said ring and into which said lateral projection extends.

Claim 10

A safety dispensing device as defined in claim 7, wherein said ring includes a release passage formed in the inner sidewall, thereof, said release passage extending from said recess and adapted to receive said lateral projection to allow said valve to be moved to said open position only when said ring is in one preselected rotary position relative to said valve.

Claim 11

A safety dispensing device for a container having an open mouth, said device comprising: a cap overlying the mouth of the container and secured thereto; an upstanding tubular member projecting through said cap; a longitudinal keyway through one side of said tubular member; a tubular valve mounted for limited reciprocation between open and closed positions in said tubular member and having a lateral projection extending through said keyway; a first abutment surface formed on said lateral projection; a rotary safety ring encircling said tubular member above said cap; a second abutment surface defined by a recess internally formed on said ring and normally engaging said first abutment surface; and an axial release passage formed on said ring extending from said second abutment surface and allowing said first abutment surface to move therethrough when said ring is in one preselected rotary position relative to said valve.

Claim 12

A safety dispensing device for a container having an open mouth, said device comprising: a cap overlying the mouth of the container and secured thereto; an upstanding tubular member projecting through said cap; a longitudinal keyway through one side of said tubular member; a tubular valve mounted for limited reciprocation between open and closed positions in said tubular member and having a lateral projection extending through said keyway; a first abutment surface formed on said lateral projection; a rotary safety ring encircling said tubular member above said cap; a second abutment surface defined by a recess internally formed on said ring and normally engaging said first abutment surface; and an axial release passage formed on said ring extending from said second abutment surface and allowing said first abutment surface to move therethrough when said ring is in one preselected rotary position relative to said valve.

Claim 13

A safety dispensing device for a container having a neck defining an open mouth, said device comprising: a cap overlying the mouth of the container and secured thereto; an upstanding tubular member projecting through said cap; a longitudinal keyway through one side of said tubular member; a tubular valve mounted for reciprocation between open and closed positions in said tubular member and having a lateral projection extending through said keyway; and a rotatable safety ring encircling said tubular member above said cap, said ring having means engagable with said lateral projection to prevent movement Of said valve to said open position.

Claim 14

A safety dispensing device for a container having a neck defining an open mouth, said device comprising: a cap overlying the mouth of the container and secured thereto; an upstanding tubular member projecting through said cap; a longitudinal keyway through one side of said tubular member; a tubular valve mounted for reciprocation between open and closed positions in said tubular member and having a lateral projection extending through said keyway; and a rotatable safety ring encircling said tubular member above said cap, said ring having means engagable with said lateral projection to prevent movement Of said valve to said open position.

Claim 15

A safety dispensing device as defined in claim 10 in which said means engagable with said lateral projection comprises an abutment surface internally formed on said ring.

Claim 16

A safety dispensing device as defined in claim 10 in which said valve is mounted for axial reciprocation in said tubular member, and in said open position is extended relative to said tubular member while in said closed position is retracted relative to said tubular member.

Claim 17

A safety dispensing device as defined in claim 12 in which said means engagable with said lateral projection comprises an abutment surface internally formed on said ring and preventing said valve from being moved to said extended position.

Claim 18

A safety dispensing device as defined in claim 13 wherein said ring has an axially directed release passage formed along the inner sidewall thereof, said release passage extending from said abutment surface and allowing said lateral projection to move therethrough when said ring is in one preselected rotary position relative to said valve.

Claim 19

A safety dispensing device as defined in claim 14 in which said internally formed abutment surface is the upper radial surface of a recess formed around a lower portion of the inner sidewall of said ring, and said release passage extends upwardly from said channel to the top of said ring.

Claim 20

A safety dispensing device for an aerosol container, said dispensing device comprising: a valve including: a two position mechanism within the container and having a normal, closed position and an open, dispensing position; an elongated tubular stem projecting from said two position mechanism through the container to a point outside thereof, said stem actuating said two position mechanism to said open position by depressing said stem a preset distance into the container; an actuator secured to the end of said stem remote from said two position mechanism for depressing said stem; a first abutment surface formed on said valve; a rotatable disc encircling said stem of said valve; a tubular member upstanding from said disc and encircling said stem, the upper end of said tubular member defining a second opposed abutment surface engaging said first abutment surface; and a notch on said tubular member extending from said second abutment surface and dimensioned and arranged to receive said first abutment surface when said disc is in one preselected rotary position relative to said valve.

Claim 21

A safety dispensing device for an aerosol container, said dispensing device comprising: a valve including: a two position mechanism within the container and having a normal, closed position and an open, dispensing position; an elongated tubular stem projecting from said two position mechanism through the container to a point outside thereof, said stem actuating said two position mechanism to said open position by depressing said stem a preset distance into the container; an actuator secured to the end of said stem remote from said two position mechanism for depressing said stem; a first abutment surface formed on said valve; a rotatable disc encircling said stem of said valve; a tubular member upstanding from said disc and encircling said stem, the upper end of said tubular member defining a second opposed abutment surface engaging said first abutment surface; and a notch on said tubular member extending from said second abutment surface and dimensioned and arranged to receive said first abutment surface when said disc is in one preselected rotary position relative to said valve.

Claim 22

A safety dispensing device for an aerosol container, said dispensing device comprising: a valve including: a two position mechanism within the container and having a normal, closed position and an open, dispensing position; an elongated tubular stem projecting from said two position mechanism through the container to a point outside thereof, said stem actuating said two position mechanism to said open position by depressing said stem a preset distance into the container; an actuator secured to the end of said stem remote from said two position mechanism for depressing said stem; and safety means engaging said valve for normally preventing said stem from actuating said two position mechanism to said open position and operable to selectively allow said stem to be depressed.

Claim 23

A safety dispensing device for an aerosol container, said dispensing device comprising: a valve including: a two position mechanism within the container and having a normal, closed position and an open, dispensing position; an elongated tubular stem projecting from said two position mechanism through the container to a point outside thereof, said stem actuating said two position mechanism to said open position by depressing said stem a preset distance into the container; an actuator secured to the end of said stem remote from said two position mechanism for depressing said stem; and safety means engaging said valve for normally preventing said stem from actuating said two position mechanism to said open position and operable to selectively allow said stem to be depressed.

Claim 24

A safety dispensing device as defined in claim 17 in which said safety means comprises: a disc mounted for rotation on said stem outisde of the container; and a tubular member upstanding from said disc, said tubular member encircling said stem and selectively engaging said actuator thereby to prevent said stem from being depressed to actuate said two position mechanism to said open position.

Claim 25

A safety dispensing device as defined in claim 18 in which said tubular member has an axial notch therein and said actuator has a lateral projection movable through said notch, said disc when in one preselected rotary position relative to said actuator allowing said lateral projection to move through said notch whereby when said disc is in said one position, said stem can be depressed to actuate said two position mechanism to said open position but when said disc is not in said one position, said stem can not be depressed.

Claim 26

A safety dispensing device as defined in claim 19 in which a nozzle projects laterally from said actuator.

Claim 27

A safety dispensing device as defined in claim 19 in which said actuator has a generally ring-shaped recess in the underside thereof, said lateral projection extending across a radial portion of said recess and having a lower surface which normally engages the upper end of said tubular member.

Claim 28

A safety dispensing device as defined in claim 21 wherein a protective cover encloses a portion of said dispensing device and is attached to the container; and indicator means are provided on said safety means and said cover to give a visual indication of alignment when said disc is in said one position.

Claim 29

A safety dispensing device for a container, said device comprising: an elongated dispensing valve mounted on said container for limited reciprocation between a normal, closed position and an open, dispensing position; an abutment surface on said valve and comprising a locking projection extending laterally from the side of said valve; a rotary safety ring encircling a portion of said valve; an opposed abutment surface on said ring formed by one wall of a locking recess extending circumferentially around the inside of said ring and into which said locking projection extends when said valve is in said closed position and engaging said abutment surface on said valve to hold said valve in said closed position; means for disengaging said abutment surfaces including an axial passage in said ring proportioned and arranged to receive said locking projection only when said ring is in one preselected rotary position relative to said valve thereby to release said valve for movement to said open position; and means for preventing rotation of said valve, whereby said ring may be selectively positioned with respect to said valve to lock and to release said valve.

Claim 30

A safety dispensing device for a container, said device comprising: an elongated dispensing valve mounted on said container for limited reciprocation between a normal, closed position and an open, dispensing position; an abutment surface on said valve and comprising a locking projection extending laterally from the side of said valve; a rotary safety ring encircling a portion of said valve; an opposed abutment surface on said ring formed by one wall of a locking recess extending circumferentially around the inside of said ring and into which said locking projection extends when said valve is in said closed position and engaging said abutment surface on said valve to hold said valve in said closed position; means for disengaging said abutment surfaces including an axial passage in said ring proportioned and arranged to receive said locking projection only when said ring is in one preselected rotary position relative to said valve thereby to release said valve for movement to said open position; and means for preventing rotation of said valve, whereby said ring may be selectively positioned with respect to said valve to lock and to release said valve.