Device for painting, spraying, enamelling or tinting of manufactured articles in general

Claim 2

Device for painting, spraying, enamelling or tinting of manufactured articles in general, and for chairs in particular, comprising in combination: carrier means carrying a spraying element and guide means supporting said carrier means to run vertically thereon, the carrier means having means for imparting to said spraying element an orbital motion, said means for imparting including an arm supporting said spraying element and fixed on a rigid connecting element articulated to the extremities of two parallel arms, the arms being mounted on two wheels peripherally joined by a closed chain and mounted for rotation with respect to said carrier means, the axes of rotation of said wheels being parallel and at least one wheel being driven by a motor means; means for holding and moving the manufactured article in front of the spraying element, said holding and moving means being adjustable.

Claim 3

The device of claim 1 in which said spraying element carrier means comprises a carriage vertically sliding on at least one guide defining said guide means, the lift and descent movement being adjustable and the upper and lower dead centers being adjustably positionable.

Claim 4

Device for painting, spraying, enamelling or tinting of manufactured articles in general, and for chairs in particular, comprising in combination: carrier means carrying a spraying element and guide means supporting said carrier means to run vertically thereon, the carriage having means for imparting to said spraying element an orbital motion; means for holding and moving the manufactured article in front of the spraying element, said article holding means including support means movable along a path past a spraying station at which said guide means is located, a positioning means supported for rotation on said support means and movable therewith along said path, said positioning means being arranged to support said manufactured article for rotation in front of said spraying element, motor means separate from said positioning means and fixedly located at said spraying station adjacent said spraying element guide means and having a rotatable drive member, said rotatable positioning means having a rotatable driven member engageable with said drive member when the support means moves the article and positioning means into said spraying station so as to impart rotation to said article to permit said spray gun to spray different sides thereof.

Claim 5

Device for painting, spraying, enamelling or tinting of manufactured articles in general, and for chairs in particular, comprising in combination: carrier means carrying a spraying element and guide means supporting said carrier means to run vertically thereon, the carriage having means for imparting to said spraying element an orbital motion; means for holding and moving the manufactured article in front of the spraying element, said article holding means including support means movable along a path past a spraying station at which said guide means is located, a positioning means supported for rotation on said support means and movable therewith along said path, said positioning means being arranged to support said manufactured article for rotation in front of said spraying element, motor means separate from said positioning means and fixedly located at said spraying station adjacent said spraying element guide means and having a rotatable drive member, said rotatable positioning means having a rotatable driven member engageable with said drive member when the support means moves the article and positioning means into said spraying station so as to impart rotation to said article to permit said spray gun to spray different sides thereof.

Claim 6

The apparatus of claim 3 in which said support means includes a conveyor line running through said spraying station and a member fixed to said conveyor line and carrying said positioning means, said motor means including a motor rotatably driving said drive member, said drive member being a rotatable wheel having an axis of rotation fixed with respect to said guide means, said driven member having an axis substantially parallel to that of said drive member and being a second wheel, said first and second wheels being exposed, having axes parallel to the axis of rotation of the said positioning means and article and having interengageable rim portions to directly effect driving of said driven member by said drive member by positioning of said support means in front of said motor means at said spray station, said motor means further including an idler member actuable for urging said drive and driven members into efficient rotative driving engagement.

Claim 7

The apparatus of claim 3 in which said positioning means includes a body rotatably supported on said support means for rotation about a first axis and having said rotatable driven member fixed thereto, arm means having an intermediate portion pivoted on said body for pivoting about a second axis substantially perpendicular to said first axis, a blade adjustably positionable on one end of said arm means and extending upward therefrom, guide means fixed to and extending transversely of said blade, substantially T-shaped members having legs supported by said guide means and extending in opposite directions therefrom, said T-shaped members having cross heads spaced from each other and of adjustable length, and anchorage means on said cross heads for securing said article thereto for spraying, and screw means connected between said body and the other end of said arm means for adjusting the inclination of said arm means about said second axis.

Claim 8

Device for painting, spraying, enamelling or tinting of manufactured articles in general, and for chairs in particular, comprising in combination: carrier means and guide means supporting said carrier means to run vertically thereon, said carrier means including orbital motion means carrying said spraying element and actuable for imparting to said spraying element an orbital motion with respect to an axis on said carrier means wherein said spraying element maintains a substantially constant orientation with respect to said carrier means and guide means as it orbits, said orbital motion being adjustable as to the diameter of the orbit of said spray element wherein said orbital motion means includes means adjustable for varying the average distance of the orbiting spray element from said axis; means for holding and rotating the manufactured article in front of the spraying element at a desired spraying distance, and including means for adjusting the orientation of said article with respect to the spraying element.

Claim 9

Device for painting, spraying, enamelling or tinting of manufactured articles in general, and for chairs in particular, comprising in combination: carrier means and guide means supporting said carrier means to run vertically thereon, said carrier means including orbital motion means carrying said spraying element and actuable for imparting to said spraying element an orbital motion with respect to an axis on said carrier means wherein said spraying element maintains a substantially constant orientation with respect to said carrier means and guide means as it orbits, said orbital motion being adjustable as to the diameter of the orbit of said spray element wherein said orbital motion means includes means adjustable for varying the average distance of the orbiting spray element from said axis; means for holding and rotating the manufactured article in front of the spraying element at a desired spraying distance, and including means for adjusting the orientation of said article with respect to the spraying element.

Claim 10

The device of claim 6, in which the orbital plane of said spraying element substantially faces toward said article holding means, said article holding and moving means including means supporting said article for rotation about an axis substantially parallel to said orbital plane; said supporting means including means adjustable for aligning the axis of article rotation with the center of inertia of the article thereon, and a motor means actuable for rotating said article holding means about said axis substantially parallel to said orbital plane of said spraying element, with the latter axis at a location in front of said spraying element.

Claim 11

The apparatus of claim 6 including a carrier motor actuable for vertically moving said carrier means along said guide means, said orbital motion means including a motor actuable for orbiting said spraying element, said guide means being substantially parallel to the plane of orbital motion, so that said spray means moves orbitally and vertically in the same plane, said means for holding and moving the article including a further motor actuable for rotation of said article, said motors being reversible to permit simultaneous reversal thereof upon the carriage reaching the end of its vertical travel.

Claim 12

Device for painting, spraying, enamelling or tinting of manufactured articles in general, and for chairs in particular, comprising in combination: carrier means and guide means supporting said carrier means to run vertically thereon, said carrier means including orbital motion means carrying said spraying element and actuable for imparting to said spraying element an orbital motion with respect to said carriage wherein said spraying element maintains a substantially constant orientation with respect to said carrier means and guide means as it orbits, said orbital motion being adjustable, said orbital motion means comprising an arm to which the spraying element is secured, said arm being fixed rigidly to a connecting element in turn articulated to the extremities of two parallel arms each fully rotatable on fixed centers on the carrier means for continuous orbiting of said spraying element, first-mentioned arm and connecting element; means for holding and moving the manufactured article in front of the spraying element at a desired spraying distance and for adjusting the orientation of said article with respect to the spraying element.

Claim 13

Device for painting, spraying, enamelling or tinting of manufactured articles in general, and for chairs in particular, comprising in combination: carrier means and guide means supporting said carrier means to run vertically thereon, said carrier means including orbital motion means carrying said spraying element and actuable for imparting to said spraying element an orbital motion with respect to said carriage wherein said spraying element maintains a substantially constant orientation with respect to said carrier means and guide means as it orbits, said orbital motion being adjustable, said orbital motion means comprising an arm to which the spraying element is secured, said arm being fixed rigidly to a connecting element in turn articulated to the extremities of two parallel arms each fully rotatable on fixed centers on the carrier means for continuous orbiting of said spraying element, first-mentioned arm and connecting element; means for holding and moving the manufactured article in front of the spraying element at a desired spraying distance and for adjusting the orientation of said article with respect to the spraying element.