Patents by Inventor PING-TZU HO

PING-TZU HO 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: 11883943
    Abstract: An electric gardening machine includes a rod portion, including a machine tool head; an operation portion, disposed on the rod portion, including a first assembling portion having a first electrical terminal and a pressing member; and a controlling portion, including a shell body having a second assembling portion detachably assembled with the first assembling portion and a control module disposed in the shell body, a second electrical terminal of the control module being in electrical contact with the first electrical terminal, the control module being switchable by the pressing member to supply power to the machine tool head; wherein the shell body includes a first shell member and a second shell member connected with each other, the second electrical terminal is disposed through the first shell member, and the second assembling portion is disposed on the first shell member.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: January 30, 2024
    Inventor: Ping-Tzu Ho
  • Patent number: 11684010
    Abstract: A blade and a lawn mower including the same is provided. The blade includes a main body, the main body includes a body portion and an assembling portion which is connected to the body portion, the assembling portion is configured for being disposed on a mowing disk of a lawn mower, the mowing disk is rotatable about an axial direction, the body portion includes two side faces opposite to each other, each said side face has a curved section and a plane section, the two side faces define a midline therebetween, and the midline and a vertical plane which is lateral to the axial direction define an angle therebetween.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: June 27, 2023
    Inventor: Ping-Tzu Ho
  • Patent number: 11607793
    Abstract: A gardening machine is provided, including a rod portion, a controlling portion, a switch assembly and a locking member. The rod portion has a machine tool head. The switch assembly includes a controlling member, and the controlling member is disposed on the controlling portion and movable to be in a first position or a second position. The locking member is disposed on the controlling portion and movable to be in a locked position or a released position, when the locking member is in the locked position, the controlling member is restricted and positioned in the second position.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: March 21, 2023
    Inventor: Ping-Tzu Ho
  • Patent number: 11032962
    Abstract: A driving head of an electric gardening machine includes a base, a driving assembly, a clutch member and a transmission member. The base defines an axial direction. The driving assembly is disposed on the base and includes a motor assembly and a driving rod. The motor assembly and the driving rod are in a rotation-connecting relationship. The clutch member is sleeved with the driving rod and slidable relative to the driving rod in the axial direction to be in a first position or a second position. The transmission member is rotatably connected to the base. The clutch member is in rotational interference with and engaged with the transmission member when the clutch member is located in the first position. The clutch member is free of rotational interference with the transmission member when the clutch member is located in the second position.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: June 15, 2021
    Inventor: Ping-Tzu Ho
  • Publication number: 20210101274
    Abstract: An electric gardening machine is provided, including: a rod portion, including a machine tool head; an operation portion, disposed on the rod portion, including a first assembling portion having a first electrical terminal and a pressing member; and a controlling portion, including a shell body having a second assembling portion detachably assembled with the first assembling portion and a control module disposed in the shell body, a second electrical terminal of the control module being in electrical contact with the first electrical terminal, the control module being switchable by the pressing member to supply power to the machine tool head; wherein the shell body includes a first shell member and a second shell member connected with each other, the second electrical terminal is disposed through the first shell member, and the second assembling portion is disposed on the second shell member.
    Type: Application
    Filed: September 24, 2020
    Publication date: April 8, 2021
    Inventor: PING-TZU HO
  • Publication number: 20210084814
    Abstract: A blade and a lawn mower including the same is provided. The blade includes a main body, the main body includes a body portion and an assembling portion which is connected to the body portion, the assembling portion is configured for being disposed on a mowing disk of a lawn mower, the mowing disk is rotatable about an axial direction, the body portion includes two side faces opposite to each other, each said side face has a curved section and a plane section, the two side faces define a midline therebetween, and the midline and a vertical plane which is lateral to the axial direction define an angle therebetween.
    Type: Application
    Filed: September 24, 2020
    Publication date: March 25, 2021
    Inventor: PING-TZU HO
  • Publication number: 20210086341
    Abstract: A gardening machine is provided, including a rod portion, a controlling portion, a switch assembly and a locking member. The rod portion has a machine tool head. The switch assembly includes a controlling member, and the controlling member is disposed on the controlling portion and movable to be in a first position or a second position. The locking member is disposed on the controlling portion and movable to be in a locked position or a released position, when the locking member is in the locked position, the controlling member is restricted and positioned in the second position.
    Type: Application
    Filed: September 24, 2020
    Publication date: March 25, 2021
    Inventor: PING-TZU HO
  • Patent number: 10694664
    Abstract: A cutter assembly of lawnmower includes a base body, a fixing plate, a motor, a cutter, and a restriction assembly. The base body defines an axial direction. The fixing plate is disposed on the base body and has a first circumferential wall. A first bearing is received inside the first circumferential wall. The motor is disposed on the base body and includes a base seat, a rotor, and a rotation axle. The base seat is disposed on the base body and has a second circumferential wall. Two second bearings are received inside the second circumferential wall. The rotation axle and the rotor are linked-up and inserted through the first bearing and the second bearings.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: June 30, 2020
    Inventor: Ping-Tzu Ho
  • Patent number: 10654067
    Abstract: A driving device of caulking gun includes a housing, a driving assembly, a threaded rod, and a transmission assembly. The housing defines an axial direction. The driving assembly is disposed on the housing and includes a motor assembly and a driving gear. The motor assembly and the driving gear are linked-up to rotate simultaneously. The threaded rod is slidably disposed on the housing and is nonrotatable with respect to the housing. The threaded rod is formed with a spiral groove. The transmission assembly is arranged in the housing and includes a transmission sleeve and a plurality of abutting members. The transmission sleeve is sleeved onto the threaded rod and is radially formed with a plurality of through holes. The abutting members are received in the through holes respectively. The transmission sleeve and the driving gear are linked-up.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: May 19, 2020
    Inventor: Ping-Tzu Ho
  • Publication number: 20190335647
    Abstract: A driving head of an electric gardening machine includes a base, a driving assembly, a clutch member and a transmission member. The base defines an axial direction. The driving assembly is disposed on the base and includes a motor assembly and a driving rod. The motor assembly and the driving rod are in a rotation-connecting relationship. The clutch member is sleeved with the driving rod and slidable relative to the driving rod in the axial direction to be in a first position or a second position. The transmission member is rotatably connected to the base. The clutch member is in rotational interference with and engaged with the transmission member when the clutch member is located in the first position. The clutch member is free of rotational interference with the transmission member when the clutch member is located in the second position.
    Type: Application
    Filed: May 3, 2019
    Publication date: November 7, 2019
    Inventor: PING-TZU HO
  • Publication number: 20190313577
    Abstract: A cutter assembly of lawnmower includes a base body, a fixing plate, a motor, a cutter, and a restriction assembly. The base body defines an axial direction. The fixing plate is disposed on the base body and has a first circumferential wall. A first bearing is received inside the first circumferential wall. The motor is disposed on the base body and includes a base seat, a rotor, and a rotation axle. The base seat is disposed on the base body and has a second circumferential wall. Two second bearings are received inside the second circumferential wall. The rotation axle and the rotor are linked-up and inserted through the first bearing and the second bearings.
    Type: Application
    Filed: March 11, 2019
    Publication date: October 17, 2019
    Inventor: PING-TZU HO
  • Publication number: 20190314856
    Abstract: A driving device of caulking gun includes a housing, a driving assembly, a threaded rod, and a transmission assembly. The housing defines an axial direction. The driving assembly is disposed on the housing and includes a motor assembly and a driving gear. The motor assembly and the driving gear are linked-up to rotate simultaneously. The threaded rod is slidably disposed on the housing and is nonrotatable with respect to the housing. The threaded rod is formed with a spiral groove. The transmission assembly is arranged in the housing and includes a transmission sleeve and a plurality of abutting members. The transmission sleeve is sleeved onto the threaded rod and is radially formed with a plurality of through holes. The abutting members are received in the through holes respectively. The transmission sleeve and the driving gear are linked-up.
    Type: Application
    Filed: March 12, 2019
    Publication date: October 17, 2019
    Inventor: PING-TZU HO