Patents by Inventor Bao Shyan Lai

Bao Shyan Lai 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: 10443969
    Abstract: A paintball conveying device includes a conveying chamber having one side formed with a paintball outlet. The conveying chamber includes a conveying member for conveying paintballs. A power unit includes a knob that unidirectionally drives a wheel to rotate. The wheel is connected with a spiral torsion spring configured to provide kinetic energy for rotating the wheel reversely. The wheel unidirectionally drives a big gear to rotate when rotated reversely. The big gear is meshed with a pinion gear adapted for synchronously linking a resistance gear and the conveying member to rotate. When the wheel is driven to rotate reversely by the spiral torsion spring, the conveying member is synchronously rotated to convey the paintballs. At least one resistance member is pivotally connect to one side of the resistance gear to move back and forth for leaning against the resistance gear, thereby supplying resistance when the conveying member is rotated.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: October 15, 2019
    Inventor: Bao Shyan Lai
  • Publication number: 20190234703
    Abstract: A paintball conveying device includes a conveying chamber having one side formed with a paintball outlet. The conveying chamber includes a conveying member for conveying paintballs. A power unit includes a knob that unidirectionally drives a wheel to rotate. The wheel is connected with a spiral torsion spring configured to provide kinetic energy for rotating the wheel reversely. The wheel unidirectionally drives a big gear to rotate when rotated reversely. The big gear is meshed with a pinion gear adapted for synchronously linking a resistance gear and the conveying member to rotate. When the wheel is driven to rotate reversely by the spiral torsion spring, the conveying member is synchronously rotated to convey the paintballs. At least one resistance member is pivotally connect to one side of the resistance gear to move back and forth for leaning against the resistance gear, thereby supplying resistance when the conveying member is rotated.
    Type: Application
    Filed: November 16, 2018
    Publication date: August 1, 2019
    Inventor: Bao Shyan Lai
  • Patent number: 9803953
    Abstract: A mechanical paintball gun has a first operation chamber and a second operation chamber for receiving a firing piston and a hammer, respectively. The firing piston and the hammer move simultaneously between a first position status and a second position status. The second operation chamber is connected with a high-pressure gas source and has a normally closed valve pack. When the hammer moves to the second position status, the valve pack becomes open and allows high-pressure gas to pass therethrough to enter the first operation chamber for shooting paintballs. The second operation chamber contains therein a slidable member and a resistance device. The slidable member is linked with the hammer, and the slidable member pushes the resistance device. With the resistance device slowing down the slidable member to delay a cycle time of a shooting process, paintballs can be fed in time to enable continuous and stable shooting.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: October 31, 2017
    Inventor: Bao Shyan Lai
  • Publication number: 20160123696
    Abstract: The present disclosure illustrates an air-channel structure of a paintball gun. The paintball gun has a gun handle and a front handle at a bottom portion of a gun body, a front section and a back section of a pipe are disposed inside the front handle and the gun handle respectively, and a center section of the pipe is extended between the front handle and the gun handle. The high pressure gas of the gas tank can be flowed into an air channel inside the gun body via the pipe. The center section of the pipe and the front handle are located at a front side and bottom side of the trigger for use as a trigger guard.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 5, 2016
    Inventor: BAO SHYAN LAI
  • Patent number: 7931018
    Abstract: This specification discloses a structure of the paintball gun. It comprises a body, a pressuring set, and a triggering set. The body has an axial passage whose front end forms a paintball outlet. The triggering set and the pressuring set are disposed in sequence inside the passage. The triggering set has a bushing, a guide pillar, and a bolt. The bushing is fixed inside the passage. The bolt is mounted on the guide pillar and disposed together inside the bushing. Air after being pressurized by the pressing set enters the triggering set. A control valve controls the flow path of the air in the triggering set in order to push the guide pillar backward. The air thus pushes the bolt toward the paintball outlet of the passage for triggering.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: April 26, 2011
    Inventor: Bao-Shyan Lai
  • Patent number: 7793644
    Abstract: A firing mechanism for a paintball gun is received in the path of the barrel and a trigger is used to activate the firing mechanism. The firing mechanism includes a driving member, a switch member, a control member and an inner part, all of which are received in the path of the barrel. The driving member drives the switch member to change the air flow in the marker so as to move the control member axially to control the high pressurized air to move the inner part such that the high pressurized air is released to eject the paintballs out from the barrel.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: September 14, 2010
    Inventor: Bao Shyan Lai
  • Publication number: 20100012109
    Abstract: A firing mechanism for a paintball gun is received in the path of the barrel and a trigger is used to activate the firing mechanism. The firing mechanism includes a driving member, a switch member, a control member and an inner part, all of which are received in the path of the barrel. The driving member drives the switch member to change the air flow in the marker so as to move the control member axially to control the high pressurized air to move the inner part such that the high pressurized air is released to eject the paintballs out from the barrel.
    Type: Application
    Filed: January 30, 2008
    Publication date: January 21, 2010
    Inventor: Bao Shyan Lai
  • Patent number: 7448372
    Abstract: A shooting structure of a paint bullet gun, which is arranged in a passage of a gun body of the paint bullet gun. The passage communicates with a bullet-dropping port. A handle is arranged on one side of the gun body. A trigger unit is disposed in the handle. The shooting structure includes a tubular member, a gunlock and a controlling member. The tubular member is disposed in the passage near the bullet-dropping port. In the passage, a gas reservoir is defined around the tubular member. The gas reservoir communicates with a gas supply via a pipeline. The gunlock is axially movably accommodated in the tubular member. The gunlock is formed with an axial exhaust duct. The gunlock is formed with a flange, whereby a space is defined between the gunlock and the tubular member. The gas reservoir communicates with the space.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: November 11, 2008
    Inventor: Bao Shyan Lai
  • Publication number: 20080011283
    Abstract: A shooting structure of a paint bullet gun, which is arranged in a passage of a gun body of the paint bullet gun. The passage communicates with a bullet-dropping port. A handle is arranged on one side of the gun body. A trigger unit is disposed in the handle. The shooting structure includes a tubular member, a gunlock and a controlling member. The tubular member is disposed in the passage near the bullet-dropping port. In the passage, a gas reservoir is defined around the tubular member. The gas reservoir communicates with a gas supply via a pipeline. The gunlock is axially movably accommodated in the tubular member. The gunlock is formed with an axial exhaust duct. The gunlock is formed with a flange, whereby a space is defined between the gunlock and the tubular member. The gas reservoir communicates with the space. The controlling member has a guide stem extending toward the exhaust duct of the gunlock.
    Type: Application
    Filed: July 11, 2006
    Publication date: January 17, 2008
    Inventor: Bao Shyan Lai
  • Patent number: 7290538
    Abstract: An arrestor drives a valve-body. An air source supplies air into the valve-body to control a strike-controlling unit and bolt to reciprocally move. The valve-body has linking and arresting sections. The arresting section communicates with the linking section via a ventiduct. The arresting section is formed with a passage. An inner wall of the passage has a sloped annular groove. The annular groove communicates with the air source via an intake. A shaft and resilient member are accommodated in the passage. The shaft is reciprocally drivable by the arrestor and resilient member. Via a relief duct, the ventiduct communicates with a part of the passage where the resilient member is accommodated. The arresting section is formed with an escape hole via which the passage communicates with the outer side. The shaft is formed with a first annular groove corresponding to the annular groove of the passage.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: November 6, 2007
    Inventor: Bao Shyan Lai
  • Publication number: 20050066952
    Abstract: An air gun includes a main body in which a striker rod for striking and a gunlock for controlling the striker rod are arranged. The striker rod and the gunlock are driven by a rear block. The rear block is pushed by a thruster disposed in the main body. A controlling valve is disposed at front end of the main body. A trigger is arranged under the bottom of the main body for controlling the direction of airflow and the strike of the gunlock. The thruster is mounted in the main body right at the center of the rear block. The thruster includes a piston rod that is controlled by the controlling valve and axially movable out of the main body. One end of the piston rod extending out of the main body is right fixedly connected with the center of the rear block.
    Type: Application
    Filed: September 9, 2003
    Publication date: March 31, 2005
    Inventors: Bao Shyan Lai, Michael Steven Spurlock
  • Patent number: 6808341
    Abstract: A pneumatic edge trimming machine has a base a center of which having a hole. A sleeve extends upwards from the base for receiving a hollow outer casing. The outer casing has a top and a lower end; and the top and lower end of the outer casing are fixed to an inner casing through a frame. A space penetrating the inner casing and outer casing is formed. The inner casing is used to be installed with a pneumatic motor. A shaft is extended from a pneumatic motor. The shaft has a tool combining portion which exposes out of the hole at the base. The inner casing has an air inlet and a control switch. The inner casing has a vent facing toward a top of the outer casing, and the top of the outer casing being connected to a predetermined space by a tube. Therefore dust can be absorbed automatically in working.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: October 26, 2004
    Assignee: Nailermate Enterprise Corp.
    Inventors: Bao Shyan Lai, Chung-Tsun Cho
  • Patent number: 6561887
    Abstract: A protective cover detachably installed on a cutting machine/engraving machine combination including a main body and a protective cover. The protective cover is disposed with a fixing ring which can be directly tightened on an outer thread section of the main body. The gap of the split of the fixing ring can be changed by means of a tightening member so as to tightly engage the inner thread section of the fixing ring with the outer thread section of the main body without loosening. Therefore, the protective cover can be quickly and conveniently installed and taken off from the main body.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: May 13, 2003
    Inventors: Bao Shyan Lai, Chung Tsun Cho
  • Publication number: 20020182023
    Abstract: A pneumatic edge trimming machine has a base a center of which having a hole. A sleeve extends upwards from the base for receiving a hollow outer casing. The outer casing has a top and a lower end; and the top and lower end of the outer casing are fixed to an inner casing through a frame. A space penetrating the inner casing and outer casing is formed. The inner casing is used to be installed with a pneumatic motor. A shaft is extended from a pneumatic motor. The shaft has a tool combining portion which exposes out of the hole at the base. The inner casing has an air inlet and a control switch. The inner casing has a vent facing toward a top of the outer casing, and the top of the outer casing being connected to a predetermined space by a tube. Therefore dust can be absorbed automatically in working.
    Type: Application
    Filed: May 29, 2001
    Publication date: December 5, 2002
    Inventors: Bao Shyan Lai, Chung-Tsun Cho
  • Publication number: 20020094769
    Abstract: A protective cover detachably installed on a cutting machine/engraving machine combination including a main body and a protective cover. The protective cover is disposed with a fixing ring which can be directly tightened on an outer thread section of the main body. The gap of the split of the fixing ring can be changed by means of a tightening member so as to tightly engage the inner thread section of the fixing ring with the outer thread section of the main body without loosening. Therefore, the protective cover can be quickly and conveniently installed and taken off from the main body.
    Type: Application
    Filed: March 12, 2002
    Publication date: July 18, 2002
    Inventors: Bao Shyan Lai, Chung Tsun Cho