Patents Assigned to Matunaga Manufactory Co., Ltd.
  • Publication number: 20140103677
    Abstract: 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: Application
    Filed: December 20, 2013
    Publication date: April 17, 2014
    Applicant: Matunaga Manufactory Co., Ltd.
    Inventors: Kazuyuki Goto, Noriyuki Matunaga, Shigeyuki Matunaga
  • Publication number: 20110266821
    Abstract: 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: Application
    Filed: May 5, 2011
    Publication date: November 3, 2011
    Applicant: MATUNAGA MANUFACTORY CO., LTD.
    Inventors: Kazuyuki Goto, Noriyuki Matunaga, Shigeyuki Matunaga
  • Patent number: 7856685
    Abstract: 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: Grant
    Filed: February 27, 2004
    Date of Patent: December 28, 2010
    Assignee: Matunaga Manufactory Co., Ltd.
    Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
  • Patent number: 7775574
    Abstract: 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: Grant
    Filed: January 9, 2009
    Date of Patent: August 17, 2010
    Assignee: Matunaga Manufactory Co., Ltd
    Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
  • Publication number: 20090123249
    Abstract: 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: Application
    Filed: January 9, 2009
    Publication date: May 14, 2009
    Applicant: MATUNAGA MANUFACTORY CO., LTD.
    Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
  • Patent number: 7490884
    Abstract: 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: Grant
    Filed: June 25, 2007
    Date of Patent: February 17, 2009
    Assignee: Matunaga Manufactory Co., Ltd.
    Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto
  • Publication number: 20060207027
    Abstract: 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: Application
    Filed: February 27, 2004
    Publication date: September 21, 2006
    Applicant: Matunaga Manufactory Co.Ltd.
    Inventors: Sigeyuki Matunaga, Noriyuki Matunaga, Kazuyuki Goto