Patents by Inventor Stephen J. Antonishak
Stephen J. Antonishak 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).
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Publication number: 20190029899Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters that can selectively engage the arm assembly dependent on the position of the arm assembly and surface conditions of ground and can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: ApplicationFiled: October 5, 2018Publication date: January 31, 2019Inventors: James P. Mulhern, Stephen J. Antonishak
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Patent number: 10130532Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters that can selectively engage the arm assembly dependent on the position of the arm assembly and surface conditions of ground and can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: GrantFiled: February 13, 2017Date of Patent: November 20, 2018Assignee: Pride Mobility Products CorporationInventors: James P. Mulhern, Stephen J. Antonishak
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Publication number: 20180055702Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters can selectively engage the arm assembly based on at least one of a seat position, position of the arm assembly and surface conditions of ground surface. The arm limiters can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: ApplicationFiled: November 6, 2017Publication date: March 1, 2018Inventors: James P. Mulhern, Stephen J. Antonishak
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Patent number: 9808383Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters can selectively engage the arm assembly based on at least one of a seat position, position of the arm assembly and surface conditions of ground surface. The arm limiters can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: GrantFiled: April 18, 2016Date of Patent: November 7, 2017Assignee: Pride Mobility Products CorporationInventors: James P. Mulhern, Stephen J. Antonishak
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Publication number: 20170156952Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters that can selectively engage the arm assembly dependent on the position of the arm assembly and surface conditions of ground and can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: ApplicationFiled: February 13, 2017Publication date: June 8, 2017Inventors: James P. Mulhern, Stephen J. Antonishak
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Patent number: 9566200Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters that can selectively engage the arm assembly dependent on the position of the arm assembly and surface conditions of ground and can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: GrantFiled: December 16, 2014Date of Patent: February 14, 2017Assignee: Pride Mobility Products CorporationInventors: James P. Mulhern, Stephen J. Antonishak
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Publication number: 20160228311Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters can selectively engage the arm assembly based on at least one of a seat position, position of the arm assembly and surface conditions of ground surface. The arm limiters can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: ApplicationFiled: April 18, 2016Publication date: August 11, 2016Inventors: James P. Mulhern, Stephen J. Antonishak
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Patent number: 9351889Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters can selectively engage the arm assembly based on at least one of a seat position, position of the arm assembly and surface conditions of ground surface. The arm limiters can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: GrantFiled: December 16, 2014Date of Patent: May 31, 2016Assignee: Pride Mobility Products CorporationInventors: James P. Mulhern, Stephen J. Antonishak
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Publication number: 20150196441Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters can selectively engage the arm assembly based on at least one of a seat position, position of the arm assembly and surface conditions of ground surface. The arm limiters can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: ApplicationFiled: December 16, 2014Publication date: July 16, 2015Inventors: James P. Mulhern, Stephen J. Antonishak
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Publication number: 20150196438Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters that can selectively engage the arm assembly dependent on the position of the arm assembly and surface conditions of ground and can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.Type: ApplicationFiled: December 16, 2014Publication date: July 16, 2015Inventors: James P. Mulhern, Stephen J. Antonishak
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Patent number: 7360841Abstract: An articulating leg rest is provided having a first member pivotally connected to a base frame. The base frame may be either connected to or part of a wheelchair frame. A second member is telescopically received by the first member. A drive system includes a motor-driven lead screw. First and second housings each have internally threaded portions engaged with the lead screw. A link connects the first housing to the base frame. The second housing engages the second member. Rotation of the lead screw advances the first housing along the lead screw, moving the link and causing the first and second members to rotate relative to the base frame. Rotation of the lead screw also advances the second housing along the lead screw, causing the second housing to linearly translate the second member relative to the first member.Type: GrantFiled: October 18, 2005Date of Patent: April 22, 2008Assignee: Pride Mobility Products CorporationInventors: Richard T. Barlow, Stephen J. Antonishak, John C. Carminati, Kip D. Alder
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Patent number: 6640916Abstract: A mid-wheel drive power wheelchair is provide having a pair of drive wheels on the support frame below the seat. Castor wheels are positioned behind the drive wheels and rearward of the seat. A pair of anti-tip idler wheels are positioned forward of the drive wheels on opposite sides of the frame. The anti-tip wheels are normally positioned off the ground when the drive wheels and the castor wheels are in their normal ground-engaging position. The anti-tip wheels have a resilient mounting comprising a support arm attached at a rear end to the frame. The forward positioned anti-tip wheels are movable upwardly about the attachment of the support arm, with the suspension resiliently resisting such movement, in response to the engagement with a curb or obstruction or in response to a forward pitching of the chair about the drive wheels.Type: GrantFiled: January 29, 2001Date of Patent: November 4, 2003Assignee: Pride Mobility Products, CorporationInventors: Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak
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Publication number: 20010011613Abstract: A mid-wheel drive power wheelchair is provide having a pair of drive wheels on the support frame below the seat. Castor wheels are positioned behind the drive wheels and rearward of the seat. A pair of anti-tip idler wheels are positioned forward of the drive wheels on opposite sides of the frame. The anti-tip wheels are normally positioned off the ground when the drive wheels and the castor wheels are in their normal ground-engaging position. The anti-tip wheels have a resilient mounting comprising a support arm attached at a rear end to the frame. The forward positioned anti-tip wheels are movable upwardly about the attachment of the support arm, with the suspension resiliently resisting such movement, in response to the engagement with a curb or obstruction or in response to a forward pitching of the chair about the drive wheels.Type: ApplicationFiled: January 29, 2001Publication date: August 9, 2001Applicant: PRIDE MOBILITY PRODUCTS, CORPORATIONInventors: Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak
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Patent number: 6199647Abstract: A front wheel drive power wheel chair has the drive wheel axis of rotation forward of the wheelchair user's eyes and cranial center of perception.Type: GrantFiled: August 6, 1999Date of Patent: March 13, 2001Assignee: Pride Mobility Products CorporationInventors: Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak
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Patent number: 6186252Abstract: A power chair is provided comprising a frame transversely foldable between operating and transport positions. A seat is connected to the frame, with a pair of drive wheels also connected to the frame. The drive wheels are rotatable about a transverse axis below a portion of the seat supporting an occupant's thighs. The power chair further includes motors for driving respective drive wheels. Perspective motor/drive wheel combinations are pivotally connected to the frame. At least one ground-engaging idler wheel is connected to the frame, located rearward of the drive wheels. At least one anti-tip wheel is positioned above ground, forward of the drive wheels, and connected to the frame for movement relative to the frame upon encountering an obstacle.Type: GrantFiled: October 5, 1998Date of Patent: February 13, 2001Assignee: Pride Mobility Products, CorporationInventors: Walter E. Schaffner, James P. Mulhern, Gerald J. White, Stephen J. Antonishak
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Patent number: 6176335Abstract: A power wheelchair has a frame, a seat connected to the frame, a pair of drive wheels connected to the frame and rotatable about transverse axis below a portion of the seat supporting the wheelchair occupant's thighs and at least one ground-engaging idler wheel connected to the frame behind the drive wheels.Type: GrantFiled: November 1, 1996Date of Patent: January 23, 2001Assignee: Pride Mobility Products, CorporationInventors: Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak
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Patent number: 6129165Abstract: A curb-climbing front wheel drive power wheelchair has a frame, a seat connected to the frame, a pair of drive wheels connected to the frame and rotatable about a transverse axis below a portion of the seat supporting the wheelchair occupant's thighs. The power wheelchair also has at least one ground-engaging idler wheel connected to the frame behind the drive wheels and anti-tip wheels forward of the drive wheels, rigidly connected to the motors for pivotal movement.Type: GrantFiled: April 14, 1998Date of Patent: October 10, 2000Assignee: Pride Mobility Products, CorporationInventors: Walter E. Schaffner, James P. Mulhern, Stephen J. Antonishak, Gerald J. White
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Patent number: 6000758Abstract: The lift chair has a base frame, an extendable/retractable chair occupant positioning apparatus attached to the base frame, a reversible D.C. motor for extension and retraction of the chair occupant positioning apparatus relative to the base frame. A control means is connected to the D.C. motor for actuation of the chair occupant positioning device. A power supply is connected to the control means for motor control. A chair occupant carriage is supported by the base frame. The carriage has a seat and a back portion.Type: GrantFiled: July 26, 1996Date of Patent: December 14, 1999Assignee: Pride Health Care, Inc.Inventors: Walter E. Schaffner, Carl A. Kollar, James P. Mulhern, Ronald J. Levi, Stephen J. Antonishak
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Patent number: D787383Type: GrantFiled: February 27, 2016Date of Patent: May 23, 2017Assignee: PRIDE MOBILITY PRODUCTS CORPORATIONInventors: Sarah Ruth Elon, Kip Darrin Alder, Stephen J. Antonishak
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Patent number: D801233Type: GrantFiled: February 27, 2016Date of Patent: October 31, 2017Assignee: PRIDE MOBILITY PRODUCTS CORPORATIONInventors: James Mulhern, Stephen J. Antonishak, Christopher Johnston