EP0313958A2 - Pistolet de pulvérisation - Google Patents

Pistolet de pulvérisation Download PDF

Info

Publication number
EP0313958A2
EP0313958A2 EP88117291A EP88117291A EP0313958A2 EP 0313958 A2 EP0313958 A2 EP 0313958A2 EP 88117291 A EP88117291 A EP 88117291A EP 88117291 A EP88117291 A EP 88117291A EP 0313958 A2 EP0313958 A2 EP 0313958A2
Authority
EP
European Patent Office
Prior art keywords
spray
locking element
handle
spray gun
gun according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88117291A
Other languages
German (de)
English (en)
Other versions
EP0313958A3 (en
EP0313958B1 (fr
Inventor
Wolfgang Kuhn
Karsten Jüterbock
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Graco Verfahrenstechnik GmbH
Original Assignee
Kopperschmidt-Muller GmbH and Co KG
Boellhoff Verbindungstechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kopperschmidt-Muller GmbH and Co KG, Boellhoff Verbindungstechnik GmbH filed Critical Kopperschmidt-Muller GmbH and Co KG
Priority to AT88117291T priority Critical patent/ATE70470T1/de
Publication of EP0313958A2 publication Critical patent/EP0313958A2/fr
Publication of EP0313958A3 publication Critical patent/EP0313958A3/de
Application granted granted Critical
Publication of EP0313958B1 publication Critical patent/EP0313958B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
    • B05B12/0022—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement
    • B05B12/0024—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position
    • B05B12/0026—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position to inhibit delivery

Definitions

  • the invention relates to a spray gun with a handle, a trigger for pistol actuation and a locking element for the trigger.
  • Such spray guns are widely known. They serve to apply powdery or liquid materials, such as paint or varnish, to an object to be coated.
  • the pistol is actuated by moving the trigger lever with the index finger of the hand gripping the handle.
  • the trigger must be secured against unintentional triggering. If such a locking element is present, the trigger must first go through an idle stroke before the actuated valve or the like can be actuated.
  • the idle stroke takes into account the play in the area of the locking element and certain manufacturing and Material tolerances. If the idle stroke is too small, control can take place due to the instability of the components. If a sufficient idle stroke is selected, the actual working stroke can be shortened so much that the maximum amount of material is no longer ejected.
  • the invention has for its object to provide a spray or spray gun of the type described above, in which the attachment of the locking device does not lead to an annoying shortening of the working stroke.
  • the locking element is arranged at the lower end of a trigger lever rotatably mounted near its upper end and is displaceable from a release position outside the path of the lower end of the trigger lever into a locking position in this path.
  • the idle stroke required at the actuation point of the valve or the like is reduced compared to the idle stroke in the area of the locking element to a value reduced in the ratio of the lever arms.
  • the effective working stroke is only slightly reduced, so that it is always possible to achieve the maximum material output.
  • the locking element is preferably loaded by a spring in the direction of the locking position. If no special measures are taken, the locking element returns to the locking position after the trigger is released.
  • the trigger lever is gripped by a projection attached to the lower part of the handle and the locking element is accommodated in this projection. This is a particularly simple way to accommodate essential parts of the locking device so that they can engage at the lower end of the trigger.
  • the projection can be designed as a removable handle insert. This makes assembly easier because the handle insert with its installation parts can be completed before the gun is assembled.
  • the trigger lever carries at the lower end a rearward extension on which the locking element engages.
  • the extension engages so far into the handle that it makes it easy to accommodate the locking element there.
  • the locking element has an axially displaceable bolt.
  • the bolt can engage directly or with an attached head in the movement path of the trigger.
  • the surfaces guiding the bolt absorb the forces transmitted to the trigger lever in the locking position.
  • the locking element is displaceable by an actuating element near the upper end of the handle. There the locking element can be easily reached by the other hand. There is also the option of actuation by the thumb of the hand gripping the handle, so that there is one-hand operation.
  • the actuating element acts on an actuating rod axially displaceable in the handle on a pressure surface connected to the locking element. This results in a particularly simple construction.
  • the locking element can be displaced by an actuating element near the lower end of the handle.
  • This actuator can also be comfortably gripped by the other hand.
  • the actuating element can, for example, be an axially movable button coupled to the locking element outside the handle. It is pulled out to release the trigger and remains in this position as long as the trigger is operated.
  • the knob can also be rotatable and can be supported in at least one predetermined rotational angle position in an axial position corresponding to the release position of the locking element.
  • the mode of operation just mentioned is then possible, but also a fixing of the locking element in the release position.
  • the actuating element is a slide which can be moved transversely to the center plane of the pistol and which can be partially pushed out of the handle in both directions and has a control cam for engaging the locking element or a part coupled therewith. At the position Such an actuating element can be easily recognized whether the locking element is in the locking or in the release position. In addition, actuation with a finger of the hand holding the handle is also possible.
  • control curve can be formed by two grooves of different depths which are connected to one another via two ramps of opposite inclination. Under the force of the spring acting on the locking element, the slide maintains its predetermined position.
  • the actuating element is formed by the handle insert which can be displaced in the longitudinal direction of the gun against the force of a spring and which adjusts the locking element by means of a control cam.
  • the trigger is released automatically when the handle is gripped by hand.
  • control cam can be firmly connected to the displaceable handle insert and act on a cross pin connected to the locking element. This results in a simple structure.
  • a rear gun body 1 has a handle 2, which can be gripped by one hand.
  • a trigger 3 is rotatably held at its upper end in a bearing 4 on the rear gun part 1.
  • a support plate 6 connected to an actuating rod 5 rests under the influence of a spring 7 near the bearing 4 on the trigger lever 3. With the actuating rod 5, for example, a material valve and / or an air valve can be actuated.
  • the valve arrangement opens into its end position.
  • a handle insert 8 is attached to the front of the lower part of the handle.
  • a locking element 9 is guided in the form of a bolt, which is connected via a coupling rod 10 to a button-shaped actuating element 11 and is loaded by a spring 12.
  • the locking element 9 engages in the path of movement at the bottom Provided end of the trigger, rearward extension 13, so that the trigger 3 can be moved at most by the small amount of angle that is required to insert the locking element 9 in the illustrated position.
  • the actuating element 11 In order to be able to actuate the pistol, the actuating element 11 must be pulled into the dashed position. Then the trigger 3 can be pivoted into the working position shown in dashed lines, in which the actuated valve is fully open.
  • the actuating element 111 is also rotatable. At its top, it is connected in one piece to a support element 14, which has a rectangular cross section, is supported in the illustrated position on the underside of the handle insert 108 and, after a rotation of 90 °, can engage in the transverse groove 15 under the force of the spring 12.
  • the locking element 9 is therefore locked in the position of the actuating element 111 shown in FIG. 2 in the release position.
  • the coupling rod 10 is connected to a pin 17 via a clamping device 16. This lies against the control curve 18 of a slide 19 which extends transversely to the center plane of the pistol and has a greater length than the width of the handle insert 208.
  • the control curve 18 consists of two grooves 20 and 21 of different depths, which are connected to one another via two ramps 22 and 23 of different inclinations.
  • the locking element 9 assumes the release position. If the pin 17 is in the groove 21, the locking element 9 assumes the locking position. In the release position, the right end 24 of the slide 19 protrudes laterally from the handle 208; in the locked position, the left end 25 of the slide 19 protrudes from the handle insert 208 on the opposite side. In both cases, pressure can be applied to the outer end of the slide in each case.
  • the handle insert 308 can be moved against the force of a spring 26 from the fully extended position to the position shown in dashed lines.
  • the handle insert has a guide element 27 which engages in a corresponding guide 28 of the handle 302.
  • the coupling rod 10 is guided in the handle 302. It is firmly connected to a transverse pin 29 which engages in a control cam 30 formed in the handle insert 308.
  • the locking element 9 is pulled down into the release position because of the shape of the control cam 30, so that the trigger lever 3 can be operated freely.
  • all parts immediately return to the locked position.
  • the locking element 409 is designed as the head of a bolt 410 which has a pressure surface 31 points.
  • An actuating rod 32 acts on it, which can be axially adjusted by a slide 19, as illustrated in FIG. 4. This slide can be operated at least in one direction of actuation by the thumb of the hand holding the handle.
  • the bottoms of the two grooves 20 and 21 of the slide 19 can be connected to one another by a ramp.
  • the locking element would automatically return to the locking position when the trigger is released.
  • the support device for the actuating element 111 in FIG. 2 can also be designed in such a way that run-up ramps are provided on the handle insert 106, onto which a narrow actuating element runs during the rotational movement.

Landscapes

  • Nozzles (AREA)
  • Reciprocating Pumps (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP88117291A 1987-10-27 1988-10-18 Pistolet de pulvérisation Expired - Lifetime EP0313958B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88117291T ATE70470T1 (de) 1987-10-27 1988-10-18 Spritz- oder spruehpistole.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8714271U 1987-10-27
DE8714271U DE8714271U1 (fr) 1987-10-27 1987-10-27

Publications (3)

Publication Number Publication Date
EP0313958A2 true EP0313958A2 (fr) 1989-05-03
EP0313958A3 EP0313958A3 (en) 1990-01-17
EP0313958B1 EP0313958B1 (fr) 1991-12-18

Family

ID=6813431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88117291A Expired - Lifetime EP0313958B1 (fr) 1987-10-27 1988-10-18 Pistolet de pulvérisation

Country Status (3)

Country Link
EP (1) EP0313958B1 (fr)
AT (1) ATE70470T1 (fr)
DE (2) DE8714271U1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0715827A3 (fr) * 1994-12-08 1996-10-02 Kaercher Gmbh & Co Alfred Poignée pour appareil de nettoyage à vapeur
USD835235S1 (en) 2014-07-31 2018-12-04 Sata Gmbh & Co. Kg Paint spray gun
US10189037B2 (en) 2011-06-30 2019-01-29 Sata Gmbh & Co. Kg Easy-to-clean spray gun, accessories therefor, and mounting and dismounting methods
US10464076B2 (en) 2015-12-21 2019-11-05 Sata Gmbh & Co. Kg Air cap and nozzle assembly for a spray gun, and spray gun
US10471449B2 (en) 2016-08-19 2019-11-12 Sata Gmbh & Co. Kg Air cap arrangement and spray gun
US10702879B2 (en) 2014-07-31 2020-07-07 Sata Gmbh & Co. Kg Spray gun manufacturing method, spray gun, spray gun body and cover
US10835911B2 (en) 2016-08-19 2020-11-17 Sata Gmbh & Co. Kg Trigger for a spray gun and spray gun having same
US11141747B2 (en) 2015-05-22 2021-10-12 Sata Gmbh & Co. Kg Nozzle arrangement for a spray gun
US11801521B2 (en) 2018-08-01 2023-10-31 Sata Gmbh & Co. Kg Main body for a spray gun, spray guns, spray gun set, method for producing a main body for a spray gun and method for converting a spray gun
US11826771B2 (en) 2018-08-01 2023-11-28 Sata Gmbh & Co. Kg Set of nozzles for a spray gun, spray gun system, method for embodying a nozzle module, method for selecting a nozzle module from a set of nozzles for a paint job, selection system and computer program product
US11865558B2 (en) 2018-08-01 2024-01-09 Sata Gmbh & Co. Kg Nozzle for a spray gun, nozzle set for a spray gun, spray guns and methods for producing a nozzle for a spray gun

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5069391A (en) * 1990-03-22 1991-12-03 Shop Vac Corporation Dual-activator safety switch for liquid sprayer
DE9320260U1 (de) * 1993-12-09 1995-04-06 Osu Maschinenbau Gmbh Spritzpistole mit Totmannschaltung
DE102013212672A1 (de) * 2013-06-28 2014-12-31 Robert Bosch Gmbh Elektrowerkzeugmaschinenschaltvorrichtung
CN104475285A (zh) * 2014-12-02 2015-04-01 国网青海省电力公司海东供电公司 一种输电线路色标喷刷器
DE202016005029U1 (de) 2016-08-19 2016-10-06 Sata Gmbh & Co. Kg Spritzpistole mit Abzugssperre und Abzugssperre für eine Spritzpistole
DE102016009957A1 (de) 2016-08-19 2018-02-22 Sata Gmbh & Co. Kg Spritzpistole mit Abzugssperre, Abzugssperre für eine Spritzpistole und Verfahren zum Anbringen, zum Aktivieren und zum Deaktivieren einer Abzugssperre
DE102019126493A1 (de) * 2019-10-01 2021-04-01 Steinel Gmbh Elektrisches, pistolenartiges Handgerät

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2345504B2 (de) * 1973-09-08 1977-04-07 Kränzte, Josef, 7918 Illertissen Halte- und betaetigungsvorrichtung fuer spritzeinrichtungen fuer waschanlagen
US4166579A (en) * 1976-09-07 1979-09-04 Stewart-Warner Corporation Paint sprayer safety interlock
US4225087A (en) * 1977-02-22 1980-09-30 The Sherwin-Williams Company Lock-off means for airless sprayer
DE2102252B2 (de) * 1970-01-19 1981-02-05 Graco Inc., Minneapolis, Minn. (V.St.A.) Luftfreie Spritzpistole
DE3407744A1 (de) * 1984-03-02 1985-09-12 Alfred Kärcher GmbH & Co, 7057 Winnenden Handspritzpistole fuer ein hochdruckreinigungsgeraet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2102252B2 (de) * 1970-01-19 1981-02-05 Graco Inc., Minneapolis, Minn. (V.St.A.) Luftfreie Spritzpistole
DE2345504B2 (de) * 1973-09-08 1977-04-07 Kränzte, Josef, 7918 Illertissen Halte- und betaetigungsvorrichtung fuer spritzeinrichtungen fuer waschanlagen
US4166579A (en) * 1976-09-07 1979-09-04 Stewart-Warner Corporation Paint sprayer safety interlock
US4225087A (en) * 1977-02-22 1980-09-30 The Sherwin-Williams Company Lock-off means for airless sprayer
DE3407744A1 (de) * 1984-03-02 1985-09-12 Alfred Kärcher GmbH & Co, 7057 Winnenden Handspritzpistole fuer ein hochdruckreinigungsgeraet

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0715827A3 (fr) * 1994-12-08 1996-10-02 Kaercher Gmbh & Co Alfred Poignée pour appareil de nettoyage à vapeur
US10189037B2 (en) 2011-06-30 2019-01-29 Sata Gmbh & Co. Kg Easy-to-clean spray gun, accessories therefor, and mounting and dismounting methods
USD835235S1 (en) 2014-07-31 2018-12-04 Sata Gmbh & Co. Kg Paint spray gun
US10702879B2 (en) 2014-07-31 2020-07-07 Sata Gmbh & Co. Kg Spray gun manufacturing method, spray gun, spray gun body and cover
US11141747B2 (en) 2015-05-22 2021-10-12 Sata Gmbh & Co. Kg Nozzle arrangement for a spray gun
US10464076B2 (en) 2015-12-21 2019-11-05 Sata Gmbh & Co. Kg Air cap and nozzle assembly for a spray gun, and spray gun
US10471449B2 (en) 2016-08-19 2019-11-12 Sata Gmbh & Co. Kg Air cap arrangement and spray gun
US10835911B2 (en) 2016-08-19 2020-11-17 Sata Gmbh & Co. Kg Trigger for a spray gun and spray gun having same
US11801521B2 (en) 2018-08-01 2023-10-31 Sata Gmbh & Co. Kg Main body for a spray gun, spray guns, spray gun set, method for producing a main body for a spray gun and method for converting a spray gun
US11826771B2 (en) 2018-08-01 2023-11-28 Sata Gmbh & Co. Kg Set of nozzles for a spray gun, spray gun system, method for embodying a nozzle module, method for selecting a nozzle module from a set of nozzles for a paint job, selection system and computer program product
US11865558B2 (en) 2018-08-01 2024-01-09 Sata Gmbh & Co. Kg Nozzle for a spray gun, nozzle set for a spray gun, spray guns and methods for producing a nozzle for a spray gun

Also Published As

Publication number Publication date
DE3867031D1 (de) 1992-01-30
DE8714271U1 (fr) 1987-12-17
ATE70470T1 (de) 1992-01-15
EP0313958A3 (en) 1990-01-17
EP0313958B1 (fr) 1991-12-18

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