A connector system for releasably securing a reservoir to a spray gun includes hook members on a lid of the reservoir that engage a flange of an inlet adaptor on the spray gun with a push/twist action to secure the reservoir to the spray gun. A retainer clip mounted on the inlet adaptor is movable b
A connector system for releasably securing a reservoir to a spray gun includes hook members on a lid of the reservoir that engage a flange of an inlet adaptor on the spray gun with a push/twist action to secure the reservoir to the spray gun. A retainer clip mounted on the inlet adaptor is movable between an inoperative position to allow the reservoir to be connected to and disconnected from the spray gun, and an operative position in which the clip blocks release of the reservoir. The clip provides security against accidental release of the reservoir in use of the spray gun.
대표청구항▼
What is claimed is: 1. A liquid spraying apparatus comprising: a spray gun, a reservoir for a liquid to be sprayed, wherein the reservoir is provided with a pair of hook members co-operable with a flange on the spray gun to secure the reservoir to the spray gun, and wherein the flange has pair of r
What is claimed is: 1. A liquid spraying apparatus comprising: a spray gun, a reservoir for a liquid to be sprayed, wherein the reservoir is provided with a pair of hook members co-operable with a flange on the spray gun to secure the reservoir to the spray gun, and wherein the flange has pair of recesses arranged to pass a distal end of the hook members to connect the reservoir outlet to the spray gun inlet and the reservoir is rotatable relative to the spray gun to position the distal end of the hook members over a surface of the flange to prevent axial separation of the reservoir and spray gun; a connector that connects the reservoir to the spray gun to permit liquid to be withdrawn from the reservoir, the connector being releasable for detaching the reservoir from the spray gun; and a security clip for restricting release of the connector, wherein the security clip comprises a retainer part movable between an inoperative position in which the reservoir can be connected to and disconnected from the spray gun, and an operative position in which disconnection of the reservoir is restricted and wherein the retainer part is biased to the operative position. 2. A liquid spraying apparatus comprising: a spray gun, a reservoir for a liquid to be sprayed, wherein the reservoir is provided with a pair of hook members co-operable with a flange on the spray gun to secure the reservoir to the spray gun, and wherein the flange has pair of recesses arranged to pass a distal end of the hook members to connect the reservoir outlet to the spray gun inlet and the reservoir is rotatable relative to the spray gun to position the distal end of the hook members over a surface of the flange to prevent axial separation of the reservoir and spray gun; a connector that connects the reservoir to the spray gun to permit liquid to be withdrawn from the reservoir, the connector being releasable for detaching the reservoir from the spray gun; and a security clip for restricting release of the connector, wherein the security clip comprises a retainer part movable between an inoperative position in which the reservoir can be connected to and disconnected from the spray gun and an operative position in which disconnection of the reservoir is restricted and wherein the retainer part is biased to the operative position and wherein the retainer part is resiliently biased by a spring. 3. A liquid spraying apparatus comprising: a spray gun, a reservoir for a liquid to be sprayed, wherein the reservoir is provided with a pair of hook members co-operable with a flange on the spray gun to secure the reservoir to the spray gun, and wherein the flange has pair of recesses arranged to pass a distal end of the hook members to connect the reservoir outlet to the spray gun inlet and the reservoir is rotatable relative to the spray gun to position the distal end of the hook members over a surface of the flange to prevent axial separation of the reservoir and spray gun; a connector that connects the reservoir to the spray gun to permit liquid to be withdrawn from the reservoir, the connector being releasable for detaching the reservoir from the spray gun; and a security clip for restricting release of the connector, wherein the security clip comprises a retainer part movable between an inoperative position in which the reservoir can be connected to and disconnected from the spray gun, and an operative position in which disconnection of the reservoir is restricted and wherein the retainer part is axially slidable towards and away from a flange on the spray gun, and wherein the retainer part has a pair of lugs that are received in recesses in the flange and a pair of notches to receive the hook members in the operative position. 4. A liquid spraying apparatus comprising: a spray gun, a reservoir for a liquid to be sprayed, wherein the reservoir is provided with a pair of hook members co-operable with a flange on the spray gun to secure the reservoir to the spray gun, and wherein the flange has pair of recesses arranged to pass a distal end of the hook members to connect the reservoir outlet to the spray gun inlet and the reservoir is rotatable relative to the spray gun to position the distal end of the hook members over a surface of the flange to prevent axial separation of the reservoir and spray gun; a connector that connects the reservoir to the spray gun to permit liquid to be withdrawn from the reservoir, the connector being releasable for detaching the reservoir from the spray gun; and a security clip for restricting release of the connector, wherein the security clip comprises a retainer part movable between an inoperative position in which the reservoir can be connected to and disconnected from the spray gun, and an operative position in which disconnection of the reservoir is restricted, and wherein the wherein the clip is rotatable to align the lugs with the recesses in the flange, wherein the flange is provided by an inlet adaptor secured to the spray gun and the retainer part is located on the adaptor for movement between the operative position and the inoperative position, and wherein the inlet adaptor comprises a tubular body having a first end connectable to the spray gun inlet and a second end connectable to the reservoir outlet with an internal through bore extending between the ends, and wherein the flange is provided at or near the second end of the adaptor and the retainer part comprises a ring-shaped clip slidably mounted on the body between the flange and the first end for axial movement towards and away from the flange. 5. A liquid spraying apparatus comprising: a spray gun, a reservoir for a liquid to be sprayed, wherein the reservoir is provided with a pair of hook members co-operable with a flange on the spray gun to secure the reservoir to the spray gun, and wherein the flange has pair of recesses arranged to pass a distal end of the hook members to connect the reservoir outlet to the spray gun inlet and the reservoir is rotatable relative to the spray gun to position the distal end of the hook members over a surface of the flange to prevent axial separation of the reservoir and spray gun; a connector that connects the reservoir to the spray gun to permit liquid to be withdrawn from the reservoir, the connector being releasable for detaching the reservoir from the spray gun; and a security clip for restricting release of the connector, wherein the security clip comprises a retainer part movable between an inoperative position in which the reservoir can be connected to and disconnected from the spray gun and an operative position in which disconnection of the reservoir is restricted, and wherein the flange is provided by an inlet adaptor secured to the spray gun and the retainer part is located on the adaptor for movement between the operative position and the inoperative position, and wherein the inlet adaptor comprises a tubular body having a first end connectable to the spray gun inlet and a second end connectable to the reservoir outlet with an internal through bore extending between the ends, and wherein the flange is provided at or near the second end of the adaptor and the retainer part comprises a ring-shaped clip mounted on the body between the flange and the first end for axial movement towards and away from the flange, wherein the clip is guided for axial movement with the lugs aligned with the recesses. 6. An inlet adaptor for connecting a reservoir to a spray gun, the adaptor having a connector part engageable with a connector part on the reservoir, and a retainer part for maintaining engagement of the connector parts, wherein the inlet adaptor comprises a tubular body having a first end for connection to the spray gun and a second end for connection to the reservoir with an internal through bore extending between the first and second ends for transferring liquid from the reservoir to the spray gun, wherein the first end has a screw threaded portion for connecting the adaptor to an inlet on the gun and the second end has a socket for connecting the adaptor to an outlet on the reservoir, wherein the connector part on the adaptor comprises an external flange on the body between the ends and the connector part on the reservoir comprises a pair of hook members arranged on opposite sides of the reservoir outlet and co-operable with the flange to secure releasably the reservoir to the second end of the adaptor, wherein the retainer part comprises a ring-shaped member located on the adaptor body between the flange and the first end and movable axially on the adaptor body between an inoperative position in which the reservoir can be connected to and disconnected from the adaptor, and an operative position in which the retainer part blocks removal of the reservoir from the adaptor, and wherein the retainer part has a pair of lugs extending from one side towards the flange and a pair of notches angularly offset from the lugs. 7. An inlet adaptor for connecting a reservoir to a spray gun, the adaptor having a connector part engageable with a connector part on the reservoir, and a retainer part for maintaining engagement of the connector parts, wherein the inlet adaptor comprises a tubular body having a first end for connection to the spray gun and a second end for connection to the reservoir with an internal through bore extending between the first and second ends for transferring liquid from the reservoir to the spray gun, wherein the first end has a screw threaded portion for connecting the adaptor to an inlet on the gun and the second end has a socket for connecting the adaptor to an outlet on the reservoir, wherein the connector part on the adaptor comprises an external flange on the body between the ends and the connector part on the reservoir comprises a pair of hook members arranged on opposite sides of the reservoir outlet and co-operable with the flange to secure releasably the reservoir to the second end of the adaptor, wherein the retainer part comprises a ring-shaped member located on the adaptor body between the flange and the first end and movable axially on the adaptor body between an inoperative position in which the reservoir can be connected to and disconnected from the adaptor, and an operative position in which the retainer part blocks removal of the reservoir from the adaptor, and wherein the retainer part has a pair of lugs extending from one side towards the flange and a pair of notches angularly offset from the lugs, wherein the lugs are received in the recesses in the flange in the operative position of the retainer part and the notches receive the distal ends of the hook members when engaged with the flange to secure the reservoir to the adaptor. 8. An inlet adaptor for connecting a reservoir to a spray gun, the adaptor having a connector part engageable with a connector part on the reservoir, and a retainer part for maintaining engagement of the connector parts, wherein the inlet adaptor comprises a tubular body having a first end for connection to the spray gun and a second end for connection to the reservoir with an internal through bore extending between the first and second ends for transferring liquid from the reservoir to the spray gun, wherein the first end has a screw threaded portion for connecting the adaptor to an inlet on the gun and the second end has a socket for connecting the adaptor to an outlet on the reservoir, wherein the connector part on the adaptor comprises an external flange on the body between the ends and the connector part on the reservoir comprises a pair of hook members arranged on opposite sides of the reservoir outlet and co-operable with the flange to secure releasably the reservoir to the second end of the adaptor, wherein the retainer part comprises a ring-shaped member located on the adaptor body between the flange and the first end and movable axially on the adaptor body between an inoperative position in which the reservoir can be connected to and disconnected from the adaptor, and an operative position in which the retainer part blocks removal of the reservoir from the adaptor, and wherein the retainer part has a pair of lugs extending from one side towards the flange and a pair of notches angularly offset from the lugs, wherein the lugs are received in the recesses in the flange in the operative position of the retainer part and the notches receive the distal ends of the hook members when engaged with the flange to secure the reservoir to the adaptor, wherein the engagement of the lugs in the recesses of the flange prevents rotation of the retainer part relative to the adaptor and blocks the recesses to prevent passage of the hook members through the recesses until the retainer part has been moved to the inoperative position. 9. An inlet adaptor for connecting a reservoir to a spray gun, the adaptor having a connector part engageable with a connector part on the reservoir, and a retainer part for maintaining engagement of the connector parts, wherein the inlet adaptor comprises a tubular body having a first end for connection to the spray gun and a second end for connection to the reservoir with an internal through bore extending between the first and second ends for transferring liquid from the reservoir to the spray gun, wherein the first end has a screw threaded portion for connecting the adaptor to an inlet on the gun and the second end has a socket for connecting the adaptor to an outlet on the reservoir, wherein the connector part on the adaptor comprises an external flange on the body between the ends and the connector part on the reservoir comprises a pair of hook members arranged on opposite sides of the reservoir outlet and co-operable with the flange to secure releasably the reservoir to the second end of the adaptor, wherein the retainer part comprises a ring-shaped member located on the adaptor body between the flange and the first end and movable axially on the adaptor body between an inoperative position in which the reservoir can be connected to and disconnected from the adaptor, and an operative position in which the retainer part blocks removal of the reservoir from the adaptor, and wherein the retainer part has a pair of lugs extending from one side towards the flange and a pair of notches angularly offset from the lugs, wherein the retainer part is rotatable relative to the adaptor to align the logs with the recesses in the flange, alternatively, the retainer part may be positioned with the logs aligned with the recesses and guided for axial movement between the operative position and the inoperative position. 10. An inlet adaptor for connecting a reservoir to a spray gun, the adaptor having a connector part engageable with a connector part on the reservoir, and a retainer part for maintaining engagement of the connector parts, wherein the inlet adaptor comprises a tubular body having a first end for connection to the spray gun and a second end for connection to the reservoir with an internal through bore extending between the first and second ends for transferring liquid from the reservoir to the spray gun, wherein the first end has a screw threaded portion for connecting the adaptor to an inlet on the gun and the second end has a socket for connecting the adaptor to an outlet on the reservoir, wherein the connector part on the adaptor comprises an external flange on the body between the ends and the connector part on the reservoir comprises a pair of hook members arranged on opposite sides of the reservoir outlet and co-operable with the flange to secure releasably the reservoir to the second end of the adaptor, wherein the retainer part comprises a ring-shaped member located on the adaptor body between the flange and the first end and movable axially on the adaptor body between an inoperative position in which the reservoir can be connected to and disconnected from the adaptor, and an operative position in which the retainer part blocks removal of the reservoir from the adaptor, and, wherein the retainer part is biased to the operative position.
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