Class / Patent application number | Description | Number of patent applications / Date published |
083830000 | CUTTER ASSEMBLAGE OR CUTTER ELEMENT THEREFOR (E.G., CHAIN SAW CHAIN) | 25 |
20090255393 | SHEAR RESISTANT RIVET AND SAW CHAIN - A saw chain rivet is provided including a flange, and a hub extending from a side of the flange. A shoulder defined by a junction between the hub and the flange has properties optimized to resist shear forces. The hub may be optimized for ease of rivet head formation. | 10-15-2009 |
20100224047 | CHAINSAW - The invention relates to a chainsaw having chain links ( | 09-09-2010 |
20100288098 | CUTTING APPARATUS WITH RING SAW - A cutting apparatus with a ring saw which can easily carry out a high-speed cutting by rotating while applying an impact force, crushing a base rock, a stone, a concrete or the like, and cutting while flicking the crushed portion is provided. Further, a user-friendly cutting apparatus with a ring saw which can easily carry out an operation at a time of attaching as an attachment to a shovel type excavating machine such as a backhoe or the like is also provided. The cutting apparatus with the ring saw in accordance with this invention is a cutting apparatus with a ring saw provided with a cutting blade, and a driving step rotationally driving the ring saw around a center axis thereof, in which the ring saw is supported to a support body attached to an apparatus main body so as to freely oscillate in a cutting and traveling direction, and an impact applying step is provided so as to apply an impact force to a subject to be cut from a cutting blade of the ring saw under rotation. | 11-18-2010 |
20110100188 | DRIVE LINK WITH IMPROVED LUBRICATION FEATURE - Various embodiments of the present disclosure generally provide a drive link for a saw chain including a body portion adapted to couple to adjacent side links and a tang extending from the body and sized to engage a guide bar groove. The tang may include a through hole extending from a first tang side to a second tang side and including a through hole center. In various embodiments, a material directing feature may be disposed adjacent to the through hole on at least one of the first side and second side of the tang. The material directing feature may include a recession in the tang which encourages oil and/or wood chips to pass through the through hole. | 05-05-2011 |
20110226112 | METHOD AND ARRANGEMENT FOR A SAWCHAIN - The invention concerns a method for a sawchain and a sawchain. According to the method according to the invention, a sawchain intended to be used for a sawing arrangement for a forestry harvester in order to prevent the whip-like movement of a sawchain that breaks during sawing, is achieved through a method that comprises the steps:—that the sawchain ( | 09-22-2011 |
20110308371 | SAW WIRE AND METHOD OF MANUFACTURING SAW WIRE - There are provided a fixed-abrasive grain saw wire with a superior cutting performance and a manufacturing method thereof. Particularly, there are provided a fixed-abrasive grain saw wire with abrasive grains adhered to a metal wire via a Zn-based or Sn-based low-melting-point metal and a high-melting-point metal having a melting point higher than that of the low-melting-point metal, and a manufacturing method thereof. | 12-22-2011 |
20120132051 | Saw Chain For Aggregate Materials - A saw chain for cutting aggregate materials comprises a plurality of identically shaped interconnected links. Each link has first and second ends configured such that a first end of one link is connected to a second end of an adjacent link of the saw chain. The first end of each link includes spaced apart tabs, and the second end of each link includes a tab. The second end tab of each link is dimensioned to be pivotally received between the first end tabs of an adjacent link. A plurality of fasteners interconnects the links, the fasteners being configured to at least partially protect the saw chain protecting the links against impacts. | 05-31-2012 |
20130112057 | SAW CHAIN WITH DEFINED PITCH - Embodiments of the disclosure provide a saw chain having a pitch in the range of approximately 0.440 to approximately 0.450. Embodiments also include tie straps and/or other components having fluid distribution features. | 05-09-2013 |
20130319201 | Cutting chain for cutting mineral and metal materials - A cuffing chain for cutting mineral and metal materials has central chain links and lateral connecting links. The cutting chain has connecting pins with a central section which has a diameter that is greater than the diameter of openings in adjacent connecting links. The cutting chain has two connecting links which have a supporting section instead of a cutting element. At least two second connecting links positioned adjacent to one another at right angles to the direction of travel of the cutting chain are formed separately from one another. As a result, the cutting chain can be opened for maintenance and repairs despite the use of collar studs as connecting pins. | 12-05-2013 |
20140013918 | UTILITY CHAIN CUTTER - Embodiments provide various saw chain links which may be combined to form a utility saw chain. In various other embodiments, cutting system fixtures are disclosed which may facilitate the cutting of pipes and other materials from an axis point. | 01-16-2014 |
20140123827 | Method for Producing at Least One Cutting Line Segment of a Cutting Line - A method for producing at least one cutting line segment of a cutting line, having at least one cutter support element and one cutter element, comprises, in a first step at least one powder is mixed with at least one binder in a mixing device to produce a feedstock. | 05-08-2014 |
20140150621 | CHAIN AND A CHAIN TOOL - The present invention discloses a chain segment for a chain tool comprising a plurality of members consecutively connected therebetween. Each member has a median plane M disposed parallel between a first and a second flank of the member, bisecting the member thickness. Adjacent median planes M of adjacent members are disposed parallel with respect to each other and displaced therefrom by the member thickness. | 06-05-2014 |
20140260875 | FORMED WIRE TIE STRAP WITH INTEGRATED RIVET FOR A SAW CHAIN - Embodiments herein provide formed wire tie strap for a saw chain. Embodiments also provide a saw chain including one or more formed wire tie straps. The formed wire tie strap may include a body with one or more integrated rivets extending from the body. In some embodiments, the body may be substantially flat. The rivet may include a rivet head configured to engage a rivet hole of an opposing tie strap and a shoulder configured to engage a rivet hole of a connecting link, such as a drive link. Some embodiments of the formed wire tie strap may include a pair of integrated rivets extending from the body. Some embodiments may include a rivet hole disposed in the body of the formed wire tie strap. | 09-18-2014 |
20150075349 | Power-Tool Parting Device - A machine tool separating device has at least one cutting line. The cutting line has a changing cutting edge angle geometry along one cutting direction of the cutting line. | 03-19-2015 |
20160136837 | SAW CHAIN AND SAFELY CONNECTED LINKS THEREFOR - A saw chain includes a tie strap adapted to be pivotally connected to other links of the saw chain. The tie strap features an interior hole with a chamfered edge. An interior counterbore in the interior hole receives a barrel portion of a rivet. The rivet has two flanges extending from both sides of the barrel, each with a smaller diameter than the barrel, and each with chamfered corners in a transition area where the flanges meet the barrel. An exterior counterbore on an exterior surface of the tie strap receives a rivet head formed from one of the flanges, such that an exterior surface of the rivet head sits flush with the exterior surface of the tie strap. | 05-19-2016 |
20160193749 | TIE STRAP WITH HARDENED INTEGRATED RIVET FOR A SAW CHAIN | 07-07-2016 |
083831000 | With means permitting removal of cutter element | 5 |
20080264230 | WOOD CUTTING SAW CHAIN AND REPLACEABLE CUTTING MEMBERS - A quick change cutting link of a saw chain for cutting wood comprises a base member adapted to be pivotally connected to other links of the saw chain. The base member comprises a seat surface. A cutting member comprising a “V” notch releasably engages the seat surface of the base member. Attached to the “V” notch is a carbide tip, including a cutting edge. The carbide tip is accurately placed in the “V” notch by mating with a small piece of metal in the “V” notch. The carbide tip is then sinterbrased to the cutting member. The cutting member and seat surface may also comprise an inverted L-shaped protrusion and the other includes an inverted L-shaped recess for receiving the inverted L-shaped protrusion. The inverted L-shaped protrusion and recess may be designed so as to form a wedge. | 10-30-2008 |
20090107317 | Cutting link for a saw chain - A cutting link ( | 04-30-2009 |
20090199691 | Saw chains with hardened cutting elements - Hardened cutter elements commonly called cutters used in saw chains to act as cutter links. The hardened cutters have hard insets applied and connected to the cutting face of the cutter. The insets are made of a hard, tough material, such as a suitable carbide. Also shown are saw chains having the hardened cutter links with the hard insets. The preferred insets include a rear portion having a semi-cylindrical attachment surface. The attachment surface is configured for attachment to a filed or ground cutting face of a conventional saw chain cutter. A front portion of the inset has a cutting face which is provided with beveled cutting face corners and preferably chamfered edges extending rearwardly from the inset cutting face. Methods of producing the cutters with insets and for producing saw chains with the hardened cutters are also described. | 08-13-2009 |
20100058915 | SAW CHAIN DRIVE LINK WITH TAIL - A saw chain for a chain saw is disclosed. Embodiments include a drive link that may be used in a saw chain, wherein the drive link includes a tail and a concavity that complements a depth gauge of a trailing cutting link, reducing and/or minimizing the drive link's protrusion into a gullet space of the cutting link. Embodiments of the invention may help improve cutting performance and further help reduce kickback potential. | 03-11-2010 |
20140041502 | Power Tool Separation Device - The disclosure relates to a power tool separation device, in particular a hand-held power tool separation device, comprising at least one cutting unit which comprises at least two interconnected cutter support elements. At least two cutter support elements are interconnected by means of at least one connecting element of the cutting unit, and the connecting element is essentially flush with at least one outer surface of the at least two cutter support elements. | 02-13-2014 |
083832000 | Having diverse cutting elements | 2 |
20130152760 | BI-DIRECTIONAL CHAINSAW CHAIN - A saw chain which is reversible having adjacent chain sections each having a pair of cutting links with cutting teeth disposed on opposite sides of the chain having flanged cutting teeth extending over the chain. The cutting edge on the pairs of cutting teeth on adjacent sections are oppositely disposed so that when the chain becomes dulled it can be reversed on the chain saw bar to reverse the chain sections to place sharp teeth in the cutting position and the previously used teeth are in a non-cutting position. | 06-20-2013 |
20140283665 | CHAIN LINK SHARPENING METHOD AND APPARATUS - Embodiments provide various components of a chain saw, including saw chain elements, sprockets, and other fixtures, that may facilitate sharpening of cutter links during operation. In various embodiments, the components may increase stability during sharpening, provide nose mounted sharpening fixtures, and/or facilitate the resizing and/or reshaping of a sharpening element. | 09-25-2014 |
083834000 | Having noncutting depth gauge | 2 |
20130291702 | KICKBACK REDUCING CHAIN LINK - A cutting chain ( | 11-07-2013 |
20160121511 | CHAIN SAW CUTTER LINKS - Embodiments of chain saw cutter links, and related apparatuses and methods. For example, in some embodiments, a cutter link may include a top plate, a sharpened surface having an upper end and a lower end, and a depth gauge having a top surface. The sharpened surface may define a reference line tangent to the sharpened surface at the upper end such that the reference line extends between the top plate and the sharpened surface, a sharpened width may be defined by a minimum distance between the reference line and the lower end of the sharpened surface, an opening width may be defined by a minimum distance between the reference line and the top surface of the depth gauge, and the sharpened width may be greater than the opening width. | 05-05-2016 |