Patents by Inventor Marco Pizzato

Marco Pizzato 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).

  • Publication number: 20240142053
    Abstract: A safety switch for guarding access to industrial machines and plants comprises a switching device (2) provide with first anchoring means (9) to a fixed part of the access to be guarded, a driving device (3) adapted to be anchored to the movable part of the access and to interact with the switching means upon the opening/closing the access for opening/closing one or more circuits, signaling means comprising one or more sources of light signals adapted to emit one or more light and/or visible signals representative of the state of said one or more circuits and wherein the switching device (2) has at least one portion or cap (6) made of a transparent or translucent material which encloses one or more of sources of light signals to make them visible from the outside at least in the powered condition.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 2, 2024
    Inventors: Marco PIZZATO, Simone ZONTA
  • Patent number: 11959591
    Abstract: A safety handle for the control of access for machines or industrial plants comprises a main body (3, 4) adapted to be anchored to the movable part (M) of the access (A) to be controlled and adapted to be gripped by a user for moving the movable part (M) of the access (A), fixing means for fixing the main body (3, 4) to the movable part (M) of the access (A), an actuator (2) to be associated with the main body (3, 4) and adapted to interact with control means associated with the fixed part (F) of the access (A) upon closure thereof for enabling the machine or industrial plant to be controlled, sealing means (11) suitable for covering the fixing means to prevent access from the outside.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: April 16, 2024
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventors: Marco Pizzato, Simone Zonta
  • Patent number: 11842864
    Abstract: A control station for electrical installation comprises a protection box (2) having a side wall (3) with a front face (4) defining a development plane (?), a plurality of controls (5, 9, 20) anchored to the protection box (2), at least one of the controls being a mushroom emergency push button (9), movable electrical contacts associated with respective controls (5, 9, 20) to be connected to one or more circuits of the electrical installation for the opening/closing thereof. Each control (5, 9, 20) is associated with one or more contact units (22) having movable electrical contacts arranged in the protection box (2). The emergency push button (9) is housed in a seat (8) formed on a side face (7) of the side wall (3) perpendicular to the development plane (?) and is anchored to one or more contact units (22) removably housed in the protection box (2).
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: December 12, 2023
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventor: Marco Pizzato
  • Publication number: 20230392748
    Abstract: A handle actuator device for barriers or protection panels comprises a shell (3) having means for anchoring to the access (A) and provided with a handle portion (4) adapted to be grasped by a user for moving the access (A), an actuator (5) associated with the shell (3) and provided with a first transmitting or receiving element (6) adapted to interact with the fixed receiving or transmitting device (2) placed on the fixed frame (T) of the access (A) at the closing thereof to enable/disable one or more operations of the machine or plant to be monitored, wherein the shell (3) comprises a housing (7) shaped to accommodate said actuator (5) according to at least two configurations wherein the first element (6) is oriented according to at least two different positions and is facing two different faces (8, 9) of the housing (7).
    Type: Application
    Filed: October 25, 2021
    Publication date: December 7, 2023
    Inventors: Marco PIZZATO, Simone ZONTA
  • Publication number: 20230139838
    Abstract: A remote safety release comprises an actuator (13) adapted to move between a inoperative position wherein it does not interact with the locking mechanism of a switch and at least one operative position wherein it interacts with the locking mechanism, a remote control device (14) adapted to promote the movement of the actuator from the inoperative position to an operative position, a transfer mechanism (15) adapted to transfer a force from the remote control device (14) to the actuator (13) following the command given by the operator to promote the movement of the actuator (13) and adapted to exert a first solicitation on the actuator (13) to promote its automatic passage from the inoperative position to an operative position, while the remote control device (14) constantly exerts on the actuator (13) a second contrast solicitation opposite to the first solicitation and having at least equal value.
    Type: Application
    Filed: May 11, 2021
    Publication date: May 4, 2023
    Inventors: Marco Pizzato, Simone ZONTA
  • Patent number: 11480937
    Abstract: A safety switch with differentiated CPUs comprises a switching device (2) associated with a fixed part of an access to be controlled and having switching means connected to one or more circuits of the system for the opening/closing thereof, a driving device (3) associated to a movable part of the access to interact with the switching means for opening/closing of one or more circuits, control means (6) associated with the switching device (2) and adapted to receive input signals from the circuits through respective communication buses for sending an error signal and/or for stopping the system in case of no signal or detection of non-compliance, wherein the control means (6) comprise a main CPU (7) connected with the communication buses (9) associated with safety functions and at least one auxiliary CPU (8) connected solely to the communication buses (12) associated with circuits and/or devices not related to safety conditions.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: October 25, 2022
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventor: Marco Pizzato
  • Publication number: 20220262186
    Abstract: A switch comprises a switching device (3) housing switching means adapted to be operatively connected to one or more circuits of the plant, an actuator device (2) to interact with the switching means at the time of opening/closing of the access, a push-button station (12) provided with one or more controls (13) designed to operate on one or more of the circuits of the plant. The push-button panel (12) comprises a shell (14) provided with the controls (13) and means for anchoring to the fixed part (F) of the access (A) adapted to allow the rotation of the shell (14) around a rotation axis (R), so as to vary its orientation with respect to said switching device (3) and/or to control and/or signalling circuits.
    Type: Application
    Filed: June 30, 2020
    Publication date: August 18, 2022
    Inventors: Marco Pizzato, Simone ZONTA
  • Publication number: 20220251876
    Abstract: A safety switch comprises a switching device having a casing housing electric and/or electronic control means adapted to be connected with one or more circuits, an operating device adapted to be anchored to a movable part of the access to interact with the switching means when the access is opened/closed for the opening/closure of the circuits, means for detecting the opening of the access associated with the switching device and with the operating device for sending a stop command of the machine or plant upon the detection or request for the opening of the access, driving means for sending activation/deactivation and/or signalling controls and that comprise a touch monitor provided with one or more virtual controls and at least one microprocessor suitable for associating the virtual controls with a control and/or signalling function.
    Type: Application
    Filed: June 30, 2020
    Publication date: August 11, 2022
    Inventors: Marco Pizzato, Simone ZONTA
  • Patent number: 11295877
    Abstract: A potentiometer comprises a cylindrical case (2) having an upper edge portion (3) and housing an electric adjustment device (5) enclosing a variable resistance, means (8) for the electrical connection of the electrical adjustment device (5) to the circuit to be controlled, a knob (9) partially inserted into the case (2), a drive shaft (10) at least partially housed in the case (2) with a first end (11) associated with the knob (9) to be integral in rotation therewith and a second end (12) interacting with the variable resistance to vary the instantaneous value thereof upon the rotation of the shaft (10). The electric adjustment device (5) comprises a box-like housing (14) coupled to the electrical connection means (8) and housing the variable resistance and having a longitudinal passing-through hole (15) suitable for snugly fit the second end (12) of the shaft (10).
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: April 5, 2022
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventors: Marco Pizzato, Simone Zonta
  • Patent number: 11227730
    Abstract: A modular structure for safety switches for controlling access for machines and industrial plants comprises a casing (2) housing switching means for controlling one or more circuits of the machine or plant, drive means adapted to interact with the switching means upon the opening/closing of the access, an auxiliary module (3-3v) housing at least one control (4i-4v) adapted to be manually operated to operate on the switching means and/or the drive means and comprising a box hollow body (5) having at least one opening (6) for inserting the control (4i-4v) provided with first means for removably connecting the control (4i-4v), the latter being selected within a series of controls (4i-4v) having functions different from each other and each provided with a fastening rod (7i-7v) adapted to be inserted in the opening (6) of the box body (5) and provided with second connecting means complementary to the first connecting means.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: January 18, 2022
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventor: Marco Pizzato
  • Patent number: 11211213
    Abstract: A safety switch with detection of the end-stroke of the unlocking mechanism adapted to supervise a safety access of a machine or industrial plant comprises a switching device (2) adapted to be associated to the fixed part of an access to be supervised and having switching means (5) adapted to be operatively connected to one or more control and/or service circuits of the plant for the control thereof, an operating device (3) associated to a movable part of the access to interact with the switching means (5) at the time of opening/closing of the access for opening/closing of one or more circuits, an unlocking mechanism (13) housed in the switching device (2) and having an unlocking pin (14) adapted to translate with maximum predetermined stroke from a blocking position of the access to an unlocked position to determine the opening of the switching means (5), means (17) for the detection of the stroke of the unlocking pin (14) comprising a first detector (18) adapted to detect the start of the stroke of the unlo
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: December 28, 2021
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventor: Marco Pizzato
  • Patent number: 11151822
    Abstract: A safety switch for controlling the access to industrial machines comprises a switching device having switching means, an actuator device (3) to interact with the switching means at the opening/closing of the access for passing from a removed condition to an inserted condition, locking/unlocking means adapted to lock the actuator device on the switching device following their mutual interaction, an electronic control unit having a first communication channel with a first inlet and a first outlet and a second communication channel with a second inlet and a second outlet, wherein said first inlet and said second outlet are of safe type and adapted to vary their state after detecting the condition of said actuator device and wherein said electronic control unit is adapted to vary the state of said first outlet and said second outlet upon detection respectively of a first and a of second condition for said actuator device.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: October 19, 2021
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventors: Marco Pizzato, Giuseppe Pizzato
  • Publication number: 20210230904
    Abstract: A safety handle for the control of access to machines or industrial plants comprises a main body (3, 4) adapted to be gripped by a user for moving the movable part (M) of the access (A), fixing means for fixing the main body (3, 4) to the movable part (M), an actuator (2) suitable to be associated with the main body (3, 4) to interact with control means associated with the access (A) upon closure thereof for enabling the machine or industrial plant to be controlled. The main body (3, 4) houses thereinside one or more signalling and/or control devices (25, 26) provided with electrical connection means for connection to one or more power and/or service circuits of the machine or industrial plant, at least one of the signalling and/or control devices comprising one or more light sources (25) adapted to emit a light beam.
    Type: Application
    Filed: May 31, 2019
    Publication date: July 29, 2021
    Inventors: Marco Pizzato, Simone ZONTA
  • Publication number: 20210207769
    Abstract: A safety handle for the control of access for machines or industrial plants comprises a main body (3, 4) adapted to be anchored to the movable part (M) of the access (A) to be controlled and adapted to be gripped by a user for moving the movable part (M) of the access (A), fixing means for fixing the main body (3, 4) to the movable part (M) of the access (A), an actuator (2) to be associated with the main body (3, 4) and adapted to interact with control means associated with the fixed part (F) of the access (A) upon closure thereof for enabling the machine or industrial plant to be controlled, sealing means (11) suitable for covering the fixing means to prevent access from the outside.
    Type: Application
    Filed: May 31, 2019
    Publication date: July 8, 2021
    Inventors: Marco Pizzato, Simone ZONTA
  • Publication number: 20210125756
    Abstract: A potentiometer comprises a cylindrical case (2) having an upper edge portion (3) and housing an electric adjustment device (5) enclosing a variable resistance, means (8) for the electrical connection of the electrical adjustment device (5) to the circuit to be controlled, a knob (9) partially inserted into the case (2), a drive shaft (10) at least partially housed in the case (2) with a first end (11) associated with the knob (9) to be integral in rotation therewith and a second end (12) interacting with the variable resistance to vary the instantaneous value thereof upon the rotation of the shaft (10). The electric adjustment device (5) comprises a box-like housing (14) coupled to the electrical connection means (8) and housing the variable resistance and having a longitudinal passing-through hole (15) suitable for snugly fit the second end (12) of the shaft (10).
    Type: Application
    Filed: April 19, 2019
    Publication date: April 29, 2021
    Inventors: Marco Pizzato, Simone ZONTA
  • Patent number: 10892123
    Abstract: A safety switch comprises a switching device (2) having a casing (4) housing switching means (5) connected to one or more circuits, an operating device (3) interacting with the switching means (5) for opening/closing the circuits, an unlocking mechanism (13) having an unlocking pin (14) translating with a maximum stroke from a locking position of the access to an unlocking position to operate the opening of the switching means (5), detection means (17) of the stroke of the unlocking pin (14) having a first detector (18) of the start of the stroke of the unlocking pin (14), an auxiliary unlocking control (25, 26) operatively connected to the unlocking mechanism (13) from a rest position to an operative position of unlocking of the access and promote the translation of the unlocking pin (14) The detection means (17) comprise an auxiliary detector (31) for detecting the actuation of the auxiliary unlocking control (25, 26).
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: January 12, 2021
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventor: Marco Pizzato
  • Publication number: 20200265664
    Abstract: A safety switch for controlling the access to industrial machines comprises a switching device having switching means, an actuator device (3) to interact with the switching means at the opening/closing of the access for passing from a removed condition to an inserted condition, locking/unlocking means adapted to lock the actuator device on the switching device following their mutual interaction, an electronic control unit having a first communication channel with a first inlet and a first outlet and a second communication channel with a second inlet and a second outlet, wherein said first inlet and said second outlet are of safe type and adapted to vary their state after detecting the condition of said actuator device and wherein said electronic control unit is adapted to vary the state of said first outlet and said second outlet upon detection respectively of a first and a of second condition for said actuator device.
    Type: Application
    Filed: October 31, 2018
    Publication date: August 20, 2020
    Inventors: Marco PIZZATO, Giuseppe PIZZATO
  • Patent number: 10643807
    Abstract: A safety switch for the control of access for machines and industrial plants comprises a casing adapted to be fastened to a fixed part of the access to be controlled and housing thereinside switching means) for controlling one or more control and/or service circuits of the machine or plant, driving means adapted to interact with the switching means upon the opening/closing of the access for opening/closing one or more circuits, anchoring means of the casing to the fixed part of the access, the anchoring means being integrated in the casing and adapted to allow the selective fixing to the fixed part of the access according to at least two mutually angled orientations, one or more auxiliary modules adapted to be selectively mounted to the longitudinal upper end of the casing, fixing means for fixing the one or more auxiliary modules to the casing.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: May 5, 2020
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventor: Marco Pizzato
  • Patent number: D899887
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: October 27, 2020
    Assignee: Pizzato Elettrica S.r.l.
    Inventors: Simone Zonta, Marco Pizzato
  • Patent number: D988106
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: June 6, 2023
    Assignee: PIZZATO ELETTRICA S.R.L.
    Inventors: Simone Zonta, Marco Pizzato