Patents by Inventor Noriyuki Matunaga
Noriyuki Matunaga 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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Patent number: 9021634Abstract: A stretcher including an upper frame for mounting a lifter thereon, a front leg pivotably attached to the upper frame, a rear leg pivotably attached to the upper frame, a fixed caster attached to one end of the front leg, a swivel caster attached to one end of the rear leg, and an auxiliary swivel caster attached to the front leg, wherein the upper frame is vertically adjustable by folding the front and rear legs relative to the upper frame, and wherein the auxiliary swivel caster is positioned relative to the fixed caster such that the auxiliary swivel caster is in contact with the ground when the upper frame is fully lowered and the front leg is folded away from the rear leg, and the auxiliary swivel caster is out of contact with the ground when the upper frame is fully lowered and the front leg is folded toward the rear leg.Type: GrantFiled: December 20, 2013Date of Patent: May 5, 2015Assignee: Matunaga Manufacturing Co., Ltd.Inventors: Kazuyuki Goto, Noriyuki Matunaga, Shigeyuki Matunaga
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Publication number: 20140103677Abstract: A stretcher including an upper frame for mounting a lifter thereon, a front leg pivotably attached to the upper frame, a rear leg pivotably attached to the upper frame, a fixed caster attached to one end of the front leg, a swivel caster attached to one end of the rear leg, and an auxiliary swivel caster attached to the front leg, wherein the upper frame is vertically adjustable by folding the front and rear legs relative to the upper frame, and wherein the auxiliary swivel caster is positioned relative to the fixed caster such that the auxiliary swivel caster is in contact with the ground when the upper frame is fully lowered and the front leg is folded away from the rear leg, and the auxiliary swivel caster is out of contact with the ground when the upper frame is fully lowered and the front leg is folded toward the rear leg.Type: ApplicationFiled: December 20, 2013Publication date: April 17, 2014Applicant: Matunaga Manufactory Co., Ltd.Inventors: Kazuyuki Goto, Noriyuki Matunaga, Shigeyuki Matunaga
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Publication number: 20110266821Abstract: According to the present invention, when a stretcher mounted in an ambulance car is used at an intermediate position with legs being folded, the stretcher can be moved forward and backward and left and right by rotatable casters. The stretcher (100) is provided with front leg fixed casters (23) fixed to front legs of the stretcher (100), and rotatable auxiliary casters (24) provided above the casters (23). When the stretcher (100) is set to the intermediate position, rotatable auxiliary casters (39) contact the ground in place of the front leg fixed casters (23), and together with the rotatable rear casters (24), make the stretcher (100) movable forward and backward and left and right.Type: ApplicationFiled: May 5, 2011Publication date: November 3, 2011Applicant: MATUNAGA MANUFACTORY CO., LTD.Inventors: Kazuyuki Goto, Noriyuki Matunaga, Shigeyuki Matunaga
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Patent number: 7856685Abstract: A stretcher (100) has casters on front legs (15) and rear legs (17), an upper frame (11) on the upper part of which a stretcher body is placed, constant load springs (28,29) in a slide mechanism for vertically varying the position of the upper frame (11), and mechanical locking devices (32,33) for stopping the upper frame at desired positions. The stretcher (100) further has a lock mechanism (31) for locking front leg-assisting frames (16), for supporting the front legs, so as not to slide, and has rear leg-assisting frames (18) for supporting the front legs (15), the front leg-assisting frames (16), and the rear legs (17).Type: GrantFiled: February 27, 2004Date of Patent: December 28, 2010Assignee: Matunaga Manufactory Co., Ltd.Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
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Patent number: 7775574Abstract: A stretcher fixture installed on the floor surface of the cargo bed of an ambulance or the like to fix a stretcher on the cargo bed of the ambulance or the like, characterized by having a front hook which is mounted on the front floor surface of the cargo bed of an ambulance or the like to fix the front part of the stretcher; and a lock plate which is installed on the rear floor surface and has a lock piece engaging with a lock supporter installed in the rear part of the stretcher.Type: GrantFiled: January 9, 2009Date of Patent: August 17, 2010Assignee: Matunaga Manufactory Co., LtdInventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
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Publication number: 20090123249Abstract: A stretcher fixture installed on the floor surface of the cargo bed of an ambulance or the like to fix a stretcher on the cargo bed of the ambulance or the like, characterized by having a front hook which is mounted on the front floor surface of the cargo bed of an ambulance or the like to fix the front part of the stretcher; and a lock plate which is installed on the rear floor surface and has a lock piece engaging with a lock supporter installed in the rear part of the stretcher.Type: ApplicationFiled: January 9, 2009Publication date: May 14, 2009Applicant: MATUNAGA MANUFACTORY CO., LTD.Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
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Patent number: 7490884Abstract: A stretcher comprising an upper frame for placing a litter thereon, having casters on a front leg and a rear leg; a constant load spring serving as a slide mechanism for changing the position of the upper frame vertically; a pin lock mechanism for fixing the upper frame having been moved vertically at an arbitrary position; a trapezoidal concave-shaped fitting groove for fixing the head side of a litter to the front end part of the upper frame; and a C-shaped hook for fixing the foot side of the litter to the rear end part of the upper frame, characterized in that a vertically and longitudinally adjustable lock supporter engaging with a lock piece for fixing the stretcher installed on the cargo bed of an ambulance or the like is provided in the rear part of the stretcher, and the pin lock mechanism is mounted with an emergency lever.Type: GrantFiled: June 25, 2007Date of Patent: February 17, 2009Assignee: Matunaga Manufactory Co., Ltd.Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
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Publication number: 20080001421Abstract: A stretcher comprising an upper frame for placing a litter thereon, having casters on a front leg and a rear leg; a constant load spring serving as a slide mechanism for changing the position of the upper frame vertically; a pin lock mechanism for fixing the upper frame having been moved vertically at an arbitrary position; a trapezoidal concave-shaped fitting groove for fixing the head side of a litter to the front end part of the upper frame; and a C-shaped hook for fixing the foot side of the litter to the rear end part of the upper frame, characterized in that a vertically and longitudinally adjustable lock supporter engaging with a lock piece for fixing the stretcher installed on the cargo bed of an ambulance or the like is provided in the rear part of the stretcher, and the pin lock mechanism is mounted with an emergency lever.Type: ApplicationFiled: June 25, 2007Publication date: January 3, 2008Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
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Publication number: 20060207027Abstract: A highly safe stretcher that can be moved up and down smoother and where are stopper mechanism is more reliable, so that the stretcher can be correctly handled by ambulance crews. A stretcher (100) has casters on front legs (15) and rear legs (17), an upper frame (11) on the upper part of which a stretcher body is placed, constant load springs (28,29) in a slide mechanism for vertically varying the position of the upper frame (11), and mechanical locking devices (32,33) for stopping the upper frame at desired positions. The stretcher (100) further has a lock mechanism (31) for locking front leg-assisting frames (16), for supporting the front legs, so as not to slide, and has rear leg-assisting frames (18) for supporting the front legs (15), the front leg-assisting frames (16), and the rear legs (17). The stretcher (100) is characterized in that rollers (36) are provided between supporting portions of the lock mechanism (31) and of the rear leg-assisting frames (18) and a center rail (14).Type: ApplicationFiled: February 27, 2004Publication date: September 21, 2006Applicant: Matunaga Manufactory Co.Ltd.Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto