Patents by Inventor Shozo Miyawaki
Shozo Miyawaki 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: 20240149426Abstract: Provided is a grip for an edged tool in which the operation of fitting split grip bodies can be performed only in a prescribed procedure, thereby reducing variations in fitting, and in which the hand movement when fitting the split grip bodies is in a highly safe direction.Type: ApplicationFiled: April 23, 2021Publication date: May 9, 2024Inventor: SHOZO MIYAWAKI
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Publication number: 20230320278Abstract: A branch cutting saw is provided which can easily and reliably cut thin and thick branches, branches in places difficult to reach with shears, branches in dense areas, and the like. The branch cutting saw is for cutting a branch by hooking a hook section 22 onto the branch and advancing and retreating a saw blade section 11 while urging the branch toward the saw blade section 11. The hook section 22 is pivotally supported at a leading end of a sheath body 20 and is under spring bias to have a hook section steady-state position Fs in a longitudinal region Rf of the sheath body 20, and is configured to be rotationally displaced from the hook section steady-state position Fs when a load equivalent to or greater than the spring bias is applied against the spring bias.Type: ApplicationFiled: February 4, 2021Publication date: October 12, 2023Inventor: SHOZO MIYAWAKI
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Publication number: 20230125198Abstract: A saw sheath is provided which has a simple structure of saw blade guiding means, which can easily and reliably guide a saw blade into a sheath entrance, and which prevents the saw blade from biting into or damaging the sheath entrance. The saw sheath 1 has the saw blade guiding means that guides a saw blade from the sheath entrance 21 to a housing space 11 at rear. The saw blade guiding means includes a pair of shorter-direction-side guide rollers 30 provided on both sides in a longer direction of the sheath entrance 21, a longer-direction-side guide roller 40 provided in an upper portion in front of the sheath entrance 21 to guide the posture of the saw blade in the longer direction of the sheath entrance 21, and a saw blade landing guiding receiver 23 provided in a lower portion in front of the sheath entrance 21 to guide the landing of the saw blade.Type: ApplicationFiled: September 2, 2020Publication date: April 27, 2023Inventor: SHOZO MIYAWAKI
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Publication number: 20220118535Abstract: Provided are a saw handle and a saw provided with the saw handle, wherein the saw handle can be produced easily and efficiently at a low production cost even in different lengths, is easy for a user to use, enables an extended service life, and allows the user to change the design or replace worn-out parts by himself/herself. The saw handle 10, used with a saw blade 20 mounted on its distal end, includes a handle body 11 and a mounted body 12 mounted on the handle body 11, wherein the handle body 11 has its wide range in the longitudinal direction divided into a plurality of unit compartments K, the mounted body 12 is composed of a plurality of unit mounted bodies 12 to be mounted on the plurality of unit compartments K, respectively, and the plurality of unit mounted bodies 12 are detachably attached correspondingly to the plurality of unit compartments K of the handle body 11.Type: ApplicationFiled: November 27, 2018Publication date: April 21, 2022Inventor: SHOZO MIYAWAKI
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Publication number: 20220097251Abstract: Provided is a handsaw with good cutting performance that ensures a smooth cutting operation and can apply sufficient incising pressure of the saw blade on an object to be cut at any position from the near side to the tip side of the toothed section. The saw teeth 30 of the handsaw each have a vertical cutting edged flush lateral face 31 that rises alternately in flush with one surface and an opposite surface of the saw plate and has a front vertical cutting edge VE1 and a rear vertical cutting edge VE2. Each saw tooth 30 also has an obliquely cut end face 40 at its tip end. The saw teeth are configured such that an incident angle ? of the front vertical cutting edge VE1 of each saw tooth 30 with respect to a tooth point line L of the saw increases gradually from an onward stroke beginning side 21a to an onward stroke end side 21b of the toothed section 21.Type: ApplicationFiled: April 2, 2019Publication date: March 31, 2022Inventor: Shozo MIYAWAKI
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Patent number: 10875171Abstract: A foldable saw includes, on a saw handle body, a latch body made of spring wire and including a coil section, a stop pin section, a latch section, and an operation section. The saw handle body includes at least a seating recess, a pin hole, and a receiving groove. The latch body is configured, in the state of being attached to the saw handle body, such that the latch section located in front of the coil section enters into the receiving groove by spring bias, and that the latch section retreats against the spring bias in response to an operation of the operation section located in the rear of the coil section.Type: GrantFiled: July 18, 2017Date of Patent: December 29, 2020Assignee: U.M. KOGYO INC.Inventor: Shozo Miyawaki
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Publication number: 20200130167Abstract: A foldable saw is provided in which a latch mechanism for latching and securing a freely foldable saw blade body in its use position can be produced and assembled very easily with a minimum number of components on the basis of an idea different from the conventional ideas and that exerts a favorable latching effect. The foldable saw 1 includes, on a saw handle body 20, a latch body 10 made of spring wire and including a coil section 11, a stop pin section 12, a latch section 13, and an operation section 15. The saw handle body 20 includes at least a seating recess 23, a pin hole 24, and a receiving groove 22. The latch body 10 is configured, in the state of being attached to the saw handle body 20, such that the latch section 13 located in front of the coil section 11 enters into the receiving groove 22 by spring bias, and that the latch section 13 retreats against the spring bias in response to an operation of the operation section 15 located in the rear of the coil section 11.Type: ApplicationFiled: July 18, 2017Publication date: April 30, 2020Applicant: U.M. KOGYO INC.Inventor: SHOZO MIYAWAKI
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Patent number: 10414063Abstract: A handsaw is provided with which chip clogging can be reduced significantly, the pitch of the tooth points can be made fine, the cut end face, called “top edge”, of each tooth can be increased in area, and moreover, cutting resistance is kept small and good cutting performance is ensured. The handsaw has a plurality of saw teeth arranged on a longitudinal edge (21) of a saw blade (20). The saw teeth are configured as a combination of crosscutting teeth (X) of triangular or trapezoidal prism shape and ripping teeth (Y) of parallelogram-based prism shape. The prism-shaped teeth constituting the crosscutting teeth (X) and the ripping teeth (Y) are configured such that at least adjacent prism-shaped teeth rise at a same rising angle (?) from an edge surface (21a) of the longitudinal edge (21) of the saw blade (20), to cause a space (S) between the adjacent prism-shaped teeth to be constant in a rising direction in which the teeth rise.Type: GrantFiled: August 26, 2015Date of Patent: September 17, 2019Assignee: U.M. KOGYO INC.Inventor: Shozo Miyawaki
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Patent number: 10245747Abstract: A handsaw with which chip clogging is eliminated significantly, the pitch of the tooth points kept fine rather than coarse, a large area secured for the cut end face, degradation in cutting caused by the chip clogging prevented sufficiently. The handsaw has a plurality of saw teeth arranged on a longitudinal edge (21) of the saw blade (20). The saw teeth are formed as prism-shaped teeth (30) each having a shape of a prism, which are configured such that at least adjacent prism-shaped teeth (30) rise at a same rising angle ? from the edge surface (21a) of the longitudinal edge (21) of the saw blade (20), to cause the space (S) between the adjacent prism-shaped teeth to be constant in the rising direction.Type: GrantFiled: June 4, 2014Date of Patent: April 2, 2019Assignee: U.M. KOGYO INC.Inventor: Shozo Miyawaki
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Publication number: 20180236685Abstract: A handsaw is provided with which chip clogging can be reduced significantly, the pitch of the tooth points can be made fine, the cut end face, called “top edge”, of each tooth can be increased in area, and moreover, cutting resistance is kept small and good cutting performance is ensured. The handsaw has a plurality of saw teeth arranged on a longitudinal edge (21) of a saw blade (20). The saw teeth are configured as a combination of crosscutting teeth (X) of triangular or trapezoidal prism shape and ripping teeth (Y) of parallelogram-based prism shape. The prism-shaped teeth constituting the crosscutting teeth (X) and the ripping teeth (Y) are configured such that at least adjacent prism-shaped teeth rise at a same rising angle (?) from an edge surface (21a) of the longitudinal edge (21) of the saw blade (20), to cause a space (S) between the adjacent prism-shaped teeth to be constant in a rising direction in which the teeth rise.Type: ApplicationFiled: August 26, 2015Publication date: August 23, 2018Applicant: U.M. KOGYO INC.Inventor: SHOZO MIYAWAKI
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Patent number: 9821481Abstract: A saw sheath is provided which allows a saw to be inserted easily and smoothly, which prevents the inserted saw from easily falling out or rattling in the sheath, and which can suppress scraping-off of the inner wall by the blade tip of the saw caught by the inner wall. Storage structures of the saw sheath and a saw are also provided. The saw sheath (1) includes a flat sheath opening section (10) and a flat main sheath body (20), and a saw blade (41) is inserted into the main sheath body (20) via the sheath opening section (10). A pair of guide rollers (12) are provided at the entrance of the sheath opening section (10), on the left and right sides in the width direction of the entrance, and a grip penetration preventing section (15) is provided in the interior of the sheath opening section (10). The space from the guide rollers (12) to the grip penetration preventing section (15) constitutes an elastic grip-fitting space (16).Type: GrantFiled: April 5, 2012Date of Patent: November 21, 2017Assignee: U.M. KOGYO INC.Inventor: Shozo Miyawaki
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Publication number: 20170190072Abstract: A handsaw is provided with which chip clogging is eliminated significantly, the pitch of the tooth points can be kept fine rather than coarse, and a large area can be secured for the cut end face, called “top edge”, of each of the teeth, whereby degradation in cutting performance caused by the chip clogging can be prevented sufficiently, and the cutting performance is improved significantly. The handsaw has a plurality of saw teeth arranged on a longitudinal edge (21) of the saw blade (20). The saw teeth are formed as prism-shaped teeth (30) each having a shape of a prism, which are configured such that at least adjacent prism-shaped teeth (30) rise at a same rising angle ? from the edge surface (21a) of the longitudinal edge (21) of the saw blade (20), to cause the space (S) between the adjacent prism-shaped teeth to be constant in the rising direction in which the teeth rise.Type: ApplicationFiled: June 4, 2014Publication date: July 6, 2017Applicant: U.M. KOGYO INC.Inventor: Shozo MIYAWAKI
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Patent number: 9185851Abstract: A pole saw is provided which allows a saw blade to be manually attached or detached in a simple and easy manner. The pole saw includes the saw blade (10), a long handle (20) provided with one or more stages of poles, and a connecting bracket (30) for attaching the saw blade (10) to the distal end of the long handle (20). The pole saw is configured such that the connection and disconnection between the connecting bracket (30) and the long handle (20) are effected by a combination of pin locking and screw locking, the pin locking being effected by a spring-biased latching pin (40), the screw locking being effected by a dedicated hand screw (50) having a grip head (51).Type: GrantFiled: March 15, 2011Date of Patent: November 17, 2015Assignee: UM: KOGYO Inc.Inventor: Shozo Miyawaki
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Patent number: 9050730Abstract: A saw sheath is provided which allows a saw to be inserted easily and smoothly, which prevents the inserted saw from easily falling out or rattling in the sheath, and which can suppress scraping-off of the inner wall by the blade tip of the saw blade caught by the inner wall. The saw sheath (1) includes a flat sheath opening section (10) and a flat main sheath body (20), and a saw blade (31) is inserted into the main sheath body (20) via the sheath opening section (10). The sheath opening section (10) has an opening width that is wider at the entrance and becomes narrower with depth. A pair of guide rollers (11a) are provided at the entrance of the sheath opening section (10), on the respective sides in the width direction of the entrance, and a pair of grip penetration preventing sections (15) are provided behind the pair of guide rollers (11a). Certain spacing between the grip penetration preventing section (15) and the corresponding guide roller (11a) constitutes an elastic grip-fitting space (16).Type: GrantFiled: May 11, 2011Date of Patent: June 9, 2015Assignee: UM: KOGYO INC.Inventor: Shozo Miyawaki
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Publication number: 20140069831Abstract: A saw sheath is provided which allows a saw to be inserted easily and smoothly, which prevents the inserted saw from easily falling out or rattling in the sheath, and which can suppress scraping-off of the inner wall by the blade tip of the saw blade caught by the inner wall. The saw sheath (1) includes a flat sheath opening section (10) and a flat main sheath body (20), and a saw blade (31) is inserted into the main sheath body (20) via the sheath opening section (10). The sheath opening section (10) has an opening width that is wider at the entrance and becomes narrower with depth. A pair of guide rollers (11a) are provided at the entrance of the sheath opening section (10), on the respective sides in the width direction of the entrance, and a pair of grip penetration preventing sections (15) are provided behind the pair of guide rollers (11a). Certain spacing between the grip penetration preventing section (15) and the corresponding guide roller (11a) constitutes an elastic grip-fitting space (16).Type: ApplicationFiled: May 11, 2011Publication date: March 13, 2014Applicant: UM:KOGYO INC.Inventor: Shozo Miyawaki
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Publication number: 20140059870Abstract: A saw sheath is provided which allows a saw to be inserted easily and smoothly, which prevents the inserted saw from easily falling out or rattling in the sheath, and which can suppress scraping-off of the inner wall by the blade tip of the saw caught by the inner wall. Storage structures of the saw sheath and a saw are also provided. The saw sheath (1) includes a flat sheath opening section (10) and a flat main sheath body (20), and a saw blade (41) is inserted into the main sheath body (20) via the sheath opening section (10). A pair of guide rollers (12) are provided at the entrance of the sheath opening section (10), on the left and right sides in the width direction of the entrance, and a grip penetration preventing section (15) is provided in the interior of the sheath opening section (10). The space from the guide rollers (12) to the grip penetration preventing section (15) constitutes an elastic grip-fitting space (16).Type: ApplicationFiled: April 5, 2012Publication date: March 6, 2014Applicant: UM:KOGYO INC.Inventor: Shozo Miyawaki
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Publication number: 20130340266Abstract: A pole saw is provided which allows a saw blade to be manually attached or detached in a simple and easy manner. The pole saw includes the saw blade (10), a long handle (20) provided with one or more stages of poles, and a connecting bracket (30) for attaching the saw blade (10) to the distal end of the long handle (20). The pole saw is configured such that the connection and disconnection between the connecting bracket (30) and the long handle (20) are effected by a combination of pin locking and screw locking, the pin locking being effected by a spring-biased latching pin (40), the screw locking being effected by a dedicated hand screw (50) having a grip head (51).Type: ApplicationFiled: March 15, 2011Publication date: December 26, 2013Applicant: UM: KOGYO INC.Inventor: Shozo Miyawaki
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Publication number: 20130298411Abstract: Provided are a grip jacket which facilitates formation of a grip, is not easily separated, and is replaceable, and a grip for a cutting tool which exerts an excellent anti-slip effect, does not require insert molding, is low in cost, and is suitable for housing a folding blade as well. The grip jacket (10) to be mounted on a grip body to complete the grip for a cutting tool is made of an elastic body, and has a single-piece construction, with a pair of jacket side sections (110) interconnected by the intermediary of a jacket back section (120). Each jacket side section (110) has a thick-walled section (111) provided along an inner side of its open end (110c), and the thick-walled section (111) is provided with a fitting pocket (112) to be fitted with a fitting protrusion provided on the grip body side. The jacket back section (120) has, on its inner surface, a positioning protrusion (121) to be inserted into a fitting hole provided at the back section of the grip body for performing positioning.Type: ApplicationFiled: January 21, 2011Publication date: November 14, 2013Applicant: UM: KOGYO INC.Inventor: Shozo Miyawaki
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Patent number: 5164769Abstract: A method and apparatus for controlling data communication in a copying system which is provided with a copying machine and a plurality of peripheral units cooperating with the copying machine. The copying machine has a single serial transmitting port. Data from the copying machine is first transmitted to one of the peripheral units through the serial transmitting port. Then, a connection between the serial transmitting port and the one of the peripheral units is electrically switched to a connection between the serial transmitting port and the other of the peripheral units. Thereafter, data from the copying machine is transmitted to the other of the peripheral units through the same serial transmitting port.Type: GrantFiled: May 24, 1991Date of Patent: November 17, 1992Assignee: Ricoh Company, Ltd.Inventors: Kenji Hashimoto, Shozo Miyawaki
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Patent number: 5131079Abstract: A method controls a display for a copying machine including a device having two-dimensional dot displaying device in which displaying layers for at least two colors of red and green are provided and capable of displaying at least four colors red, green, white, and black by combining the displaying layers. The method is made up of the steps of providing storing device including a memory space which corresponds to a display of the dot displaying device and in which addresses are sequentially assigned. The system then calculates display information of one-dimensional absolute address position information in response to display information in which coordinate information is made into two-dimensional coordinate information. This display information is stored in the storing device, and then supplied to the displaying device so as to be displayed. The display device is primarily a dot type device.Type: GrantFiled: December 31, 1990Date of Patent: July 14, 1992Assignee: Ricoh Company, Ltd.Inventors: Shozo Miyawaki, Mikio Miura, Masashi Kuno, Takashi Tsutsumi, Masami Higuchi, Takeyoshi Sekine, Kouichi Kanaya, Yoshiyuki Tanimoto, Kazuhiro Ando