Patents by Inventor Giancarlo Piretti

Giancarlo Piretti has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11197552
    Abstract: A flexible backrest for a folding chair includes a flexible backrest panel which can assume a curved configuration of use and an extended storage configuration. The flexible backrest panel has a support surface having a concave shape in a cross-section in a horizontal plane, and a convex shape in a cross-section in a vertical plane; and the flexible backrest panel has a plurality of vertical through-slits forming a plurality of vertical slats.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: December 14, 2021
    Assignee: Pro-Cord S.p.A.
    Inventor: Giancarlo Piretti
  • Publication number: 20210007493
    Abstract: A flexible backrest for a folding chair includes a flexible backrest panel which can assume a curved configuration of use and an extended storage configuration. The flexible backrest panel has a support surface having a concave shape in a cross-section in a horizontal plane, and a convex shape in a cross-section in a vertical plane; and the flexible backrest panel has a plurality of vertical through-slits forming a plurality of vertical slats.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 14, 2021
    Inventor: Giancarlo PIRETTI
  • Patent number: 10470575
    Abstract: A folding chair comprising: a first structure including a pair of front legs and a backrest, a second structure including a pair of rear legs movable with respect to the first structure between an open position and a closed position, and a seat movable about an articulation axis between a lowered position and a raised position, wherein the seat comprises: a support frame pivoting about said articulation axis between a lowered position and a raised position, a seating element movable with respect to the support frame along a direction transverse with respect to said articulation axis, and at least one transmission mechanism configured to move the seating element along said direction between a first position corresponding to the lowered position of the support frame and a second position corresponding to the raised position of the support frame.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: November 12, 2019
    Assignee: PROCORD S.P.A.
    Inventor: Giancarlo Piretti
  • Publication number: 20190021502
    Abstract: A folding chair comprising: a first structure including a pair of front legs and a backrest, a second structure including a pair of rear legs movable with respect to the first structure between an open position and a closed position, and a seat movable about an articulation axis between a lowered position and a raised position, wherein the seat comprises: a support frame pivoting about said articulation axis between a lowered position and a raised position, a seating element movable with respect to the support frame along a direction transverse with respect to said articulation axis, and at least one transmission mechanism configured to move the seating element along said direction between a first position corresponding to the lowered position of the support frame and a second position corresponding to the raised position of the support frame.
    Type: Application
    Filed: July 19, 2018
    Publication date: January 24, 2019
    Inventor: Giancarlo PIRETTI
  • Patent number: 10064491
    Abstract: A folding chair comprising: a seat comprising a seat panel fixed to two seat supports, a backrest comprising a flexible backrest panel and two backrest supports having respective upper portions that engage respective side edges of said flexible backrest panel, a folding frame carrying the seat and the backrest and comprising a first structure including a pair of rear legs and a second structure including a pair of front legs, wherein the first structure and the second structure are articulated together about a first axis, a pair of joints each comprising a first half-coupling fixed to a respective rear leg and a second half-coupling fixed to a respective front leg, wherein the first half-coupling, the second half-coupling, and a respective seat support are rotatable relative to each other about said first axis, so that the first structure, the second structure and the seat are rotatable about said first axis between a position of use and a storage position.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: September 4, 2018
    Assignee: PRO-CORD S.P.A.
    Inventor: Giancarlo Piretti
  • Patent number: 9913537
    Abstract: A folding chair comprising a seat and a backrest carried by a folding structure, wherein the folding structure comprises a first structure defining a pair of front legs and a second structure defining a pair of rear legs, articulated to each other about a transverse axis by means of a pair of joints and movable relative to one another between an open position and a closed position, wherein the first structure comprises two first side elements and the second structure comprises two second side elements and wherein each of said joints comprises a first half-joint fixed to a respective first side element and a second half-joint fixed to a respective second side element, wherein the first and the second half-joints are rotatable relative to one another about said transverse axis, wherein the first structure comprises a pair of rods mounted within respective first side elements and movable between a raised position and a lowered position.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: March 13, 2018
    Assignee: PRO-CORD S.P.A.
    Inventor: Giancarlo Piretti
  • Patent number: 9826838
    Abstract: A chair comprising: a metal frame formed by a plurality of metal elements, including a seat portion having two seat support elements and a backrest portion having two backrest support elements extending upwardly from the seat portion, a flexible backrest panel and/or a flexible seat panel of plastic material having two lateral hollow portions into which respective support elements are inserted, wherein, in a rest condition, there is a transverse clearance between outer edges of said lateral hollow portions and the respective support elements and wherein, in a deformed condition of the flexible backrest panel and/or flexible seat panel said transverse clearance is reduced to zero.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: November 28, 2017
    Assignee: PRO-CORD S.P.A.
    Inventor: Giancarlo Piretti
  • Publication number: 20170172304
    Abstract: A folding chair comprising: a seat comprising a seat panel fixed to two seat supports, a backrest comprising a flexible backrest panel and two backrest supports having respective upper portions that engage respective side edges of said flexible backrest panel, a folding frame carrying the seat and the backrest and comprising a first structure including a pair of rear legs and a second structure including a pair of front legs, wherein the first structure and the second structure are articulated together about a first axis, a pair of joints each comprising a first half-coupling fixed to a respective rear leg and a second half-coupling fixed to a respective front leg, wherein the first half-coupling, the second half-coupling, and a respective seat support are rotatable relative to each other about said first axis, so that the first structure, the second structure and the seat are rotatable about said first axis between a position of use and a storage position.
    Type: Application
    Filed: December 19, 2016
    Publication date: June 22, 2017
    Inventor: Giancarlo PIRETTI
  • Publication number: 20160338492
    Abstract: A folding chair comprising a seat and a backrest carried by a folding structure, wherein the folding structure comprises a first structure defining a pair of front legs and a second structure defining a pair of rear legs, articulated to each other about a transverse axis by means of a pair of joints and movable relative to one another between an open position and a closed position, wherein the first structure comprises two first side elements and the second structure comprises two second side elements and wherein each of said joints comprises a first half-joint fixed to a respective first side element and a second half-joint fixed to a respective second side element, wherein the first and the second half-joints are rotatable relative to one another about said transverse axis, wherein the first structure comprises a pair of rods mounted within respective first side elements and movable between a raised position and a lowered position.
    Type: Application
    Filed: May 16, 2016
    Publication date: November 24, 2016
    Inventor: Giancarlo PIRETTI
  • Patent number: 9462892
    Abstract: A chair comprising: a base structure, a seat fixed to the base structure, a backrest, and a pair of oscillation joints which connect the backrest to the seat or to the base structure so as to allow tilting of the backrest around a transverse axis between a rest position and a backwardly tilted position, wherein each of said oscillation joints comprises: an essentially L-shaped rigid support a rigid lever articulated to the rigid support, and having a first and a second lever arm located on opposite sides with respect to the articulation axis, and an elastic device comprising a telescopic element and a compression spring, wherein the elastic device applies an elastic force between said rigid support and said first lever arm and wherein said second lever arm protrudes outwards from said rigid support and is fixed to a corresponding side edge of the backrest.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: October 11, 2016
    Assignee: Pro-Cord S.P.A.
    Inventor: Giancarlo Piretti
  • Publication number: 20160255960
    Abstract: A chair comprising: a metal frame formed by a plurality of metal elements, including a seat portion having two seat support elements and a backrest portion having two backrest support elements extending upwardly from the seat portion, a flexible backrest panel and/or a flexible seat panel of plastic material having two lateral hollow portions into which respective support elements are inserted, wherein, in a rest condition, there is a transverse clearance between outer edges of said lateral hollow portions and the respective support elements and wherein, in a deformed condition of the flexible backrest panel and/or flexible seat panel said transverse clearance is reduced to zero.
    Type: Application
    Filed: May 18, 2016
    Publication date: September 8, 2016
    Applicant: PRO-CORD S.p.A.
    Inventor: Giancarlo PIRETTI
  • Publication number: 20160157615
    Abstract: A chair comprising: a metal frame formed by a plurality of tubular metal elements, including a seat portion having two tubular seat support elements and a backrest portion having two tubular backrest support elements extending upwardly from the seat portion, a flexible seat panel of plastic material with high elasticity, having two lateral tubular portions into which respective tubular seat support elements are inserted, and a flexible backrest panel of plastic material with high elasticity having two lateral tubular portions into which respective tubular backrest support elements are inserted, wherein in a rest condition there is a transverse clearance between the outer edges of the lateral tubular portions of the flexible seat panel and of the flexible backrest panel and the respective tubular support elements, and wherein in a deformed condition said transverse clearance is reduced to zero.
    Type: Application
    Filed: December 3, 2015
    Publication date: June 9, 2016
    Inventor: Giancarlo PIRETTI
  • Publication number: 20150335160
    Abstract: A chair comprising: a base structure, a seat fixed to the base structure, a backrest, and a pair of oscillation joints which connect the backrest to the seat or to the base structure so as to allow tilting of the backrest around a transverse axis between a rest position and a backwardly tilted position, wherein each of said oscillation joints comprises: an essentially L-shaped rigid support a rigid lever articulated to the rigid support, and having a first and a second lever arm located on opposite sides with respect to the articulation axis, and an elastic device comprising a telescopic element and a compression spring, wherein the elastic device applies an elastic force between said rigid support and said first lever arm and wherein said second lever arm protrudes outwards from said rigid support and is fixed to a corresponding side edge of the backrest.
    Type: Application
    Filed: April 20, 2015
    Publication date: November 26, 2015
    Inventor: Giancarlo PIRETTI
  • Patent number: 8998321
    Abstract: A chair having a fixed support structure including two side uprights, a backrest having two side portions, and a pair of elastic joints connecting said side portions of the backrest to said side uprights, wherein each of said elastic joints comprises: a bushing fixed to a respective side upright, a helical spring having a longitudinal axis, the helical spring having an upper end resting against a front wall of the bushing, a compression member resting against a lower end of the spring, an upper attachment fixed to a corresponding side portion of the backrest, and a rigid connecting rod having an upper end and a lower end.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: April 7, 2015
    Assignee: PRO-CORD S.p.A.
    Inventor: Giancarlo Piretti
  • Publication number: 20150035332
    Abstract: A chair having a fixed support structure including two side uprights, a backrest having two side portions, and a pair of elastic joints connecting said side portions of the backrest to said side uprights, wherein each of said elastic joints comprises: a bushing fixed to a respective side upright, a helical spring having a longitudinal axis, the helical spring having an upper end resting against a front wall of the bushing, a compression member resting against a lower end of the spring, an upper attachment fixed to a corresponding side portion of the backrest, and a rigid connecting rod having an upper end and a lower end.
    Type: Application
    Filed: May 12, 2014
    Publication date: February 5, 2015
    Applicant: PRO-CORD S.p.A.
    Inventor: Giancarlo PIRETTI
  • Patent number: D742154
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: November 3, 2015
    Assignee: PRO-CORD S.p.A.
    Inventor: Giancarlo Piretti
  • Patent number: D760525
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: July 5, 2016
    Assignee: PRO-CORD S.P.A.
    Inventor: Giancarlo Piretti
  • Patent number: D761606
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: July 19, 2016
    Assignee: Pro-Cord S.P.A.
    Inventor: Giancarlo Piretti
  • Patent number: D764849
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: August 30, 2016
    Assignee: PRO-CORD S.P.A.
    Inventor: Giancarlo Piretti
  • Patent number: RE46717
    Abstract: A chair having a fixed support structure including two side uprights, a backrest having two side portions, and a pair of elastic joints connecting said side portions of the backrest to said side uprights, wherein each of said elastic joints comprises: a bushing fixed to a respective side upright, a helical spring having a longitudinal axis, the helical spring having an upper end resting against a front wall of the bushing, a compression member resting against a lower end of the spring, an upper attachment fixed to a corresponding side portion of the backrest, and a rigid connecting rod having an upper end and a lower end.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: February 20, 2018
    Assignee: PRO-CORD S.p.A.
    Inventor: Giancarlo Piretti