Scraper Supports Narrow Depending Tool Patents (Class 172/777)
  • Patent number: 10174479
    Abstract: An implement system for a machine includes a primary blade and a secondary blade coupled to the primary blade through a linkage mechanism such that the secondary blade is trailing the primary blade. The implement system includes an actuator which controls a movement of the secondary blade. The implement system includes at least one position sensor which generates signals indicative of a position of the primary blade and a position of the secondary blade. The implement system further includes a controller which is in communication with the primary blade, the secondary blade and the position sensor. The controller receives the signals indicative of the position of the primary blade and the position of the secondary blade. The controller operates the actuator to control the movement of the secondary blade based on the position of the primary blade and secondary blade.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: January 8, 2019
    Assignee: Caterpillar Inc.
    Inventor: Biagio Ciarla
  • Patent number: 10106961
    Abstract: A retaining device, a retaining system between a female part and a male part, and a female part and male part to assure retention between a wear element or tooth and an adaptor element or tooth bar used in excavators and the like. The female part, which can be a wear element or tooth, or an adaptor element or tooth bar, has, auto-fixed thereto, a retaining device which participates in the coupling with a pin of the female part with a male part, and prevents the pin from coming out of its blocking position, maintaining the fixing between the two parts, i.e., male part and female part. The coupling between both parts is detachable, allows removing the pin from the coupling and replacing the female part or male part together with the retaining device. The retaining device is formed by one or more attached tightening elements.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: October 23, 2018
    Inventors: Javier Rol Corredor, Javier Jimenez Garcia, Francisco Perez Soria, Jorge Triginer Boixeda, Ester Alonso Frigola
  • Patent number: 9848521
    Abstract: A rock sifting and removing tractor attachment device for unearthing very large rocks and sifting large rocks from soil includes a connection frame configured for coupling to a vehicle. Each of a pair of fixed arms projects forward from a bottom of the connection frame. A sifting panel includes a plurality of interconnected spaced beams. The sifting panel is pivotable relative to the connection frame between a retracted position and an extended position. The beams are positioned parallel to the connection frame in the retracted position and the beams are positioned coplanar with the fixed arms in the extended position.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: December 26, 2017
    Inventor: Dillon James Moore
  • Patent number: 9648796
    Abstract: A skid steer prying attachment device facilitates removal of large rocks or the like embedded in the ground. The device includes a frame having a top side, a bottom side, and a pair of lateral sides coupled to and extending between the top side and the bottom side. The frame is substantially planar having a forward face and a rearward face. A connector is coupled to the frame wherein the frame is configured for being coupled to a skid steer such that the forward face faces outwardly from the skid steer. A tongue is coupled to and extends from the frame outwardly from the forward face of the frame. A wedge is coupled to and extends from a distal end of the tongue relative to the frame.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: May 16, 2017
    Inventor: Bemis J. Tschetter
  • Patent number: 9506215
    Abstract: A combination excavating bucket adapted for connection to a power driven excavating vehicle, comprising: a) bucket comprising a transverse smooth cutting bar along its front bottom edge, b) a retractable tooth bar pivotally mounted to inner opposed lateral sides of the excavating bucket, wherein the tooth bar comprises a plurality of teeth extending outwardly from the tooth bar, and a pivot means for alternately moving the tooth bar between i) a fully-extended position, wherein the tooth bar fits over the smooth cutting bar thereby permitting the bucket to function as a tooth-edged bucket; and ii) a fully-retracted position, wherein the tooth bar is retracted away from the smooth cutting bar and the smooth cutting bar is exposed thereby permitting the bucket to function as a smooth-edged bucket, wherein the pivot means comprises first and second pivot arms pivotally mounted to the bucket.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: November 29, 2016
    Inventors: Trent Krell, Chad Goldade
  • Patent number: 9015967
    Abstract: An adjustable blade rake includes a mounting plate configured to mount to a machine. A backup plate is coupled to the mounting plate and includes a plurality of slots. A moldboard is attached to the backup plate. A plurality of tines are slidably located in the plurality of slots adjacent the rear side of the moldboard. A crossbar couples the plurality of tines together and a lifting device is operatively coupled to the plurality of tines and is configured to slide the plurality of tines in the plurality of slots.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: April 28, 2015
    Assignee: Caterpillar Inc.
    Inventor: Michael P. May
  • Publication number: 20150060098
    Abstract: An adjustable cutting edge for a moldboard having a material engaging surface and a bottom edge. The adjustable cutting edge has a series of cutter bodies. Each cutter body has a top edge, a bottom cutting edge opposite the top edge, a first side, a second side opposite the first side, a front surface having a concave curvature, a rear surface opposite the front surface and having a convex curvature, and a position control profile extending along at least a portion of the rear surface. A series of retainers are carried by the moldboard, each retainer permitting a respective cutter body to move along the concave curvature to advance or retract the bottom cutting edge relative to the bottom edge of the moldboard and engaging the position control profile of a respective cutter body to retain the respective cutter body in a selected position.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Inventor: Marvin Pohl
  • Patent number: 8689897
    Abstract: A tractor blade assembly is disclosed having a first blade member and one or more replaceable, supplemental blade members. The first blade member has a supplemental blade mounting section extending laterally beyond the side edge of the first blade member and a supplemental blade member that removably attaches to the supplemental blade mounting section such that a side edge of the supplemental blade member abuts the side edge of the first blade member. The tractor blade assembly may include alignment structure to restrict vertical movement of the supplemental blade member relative to the first blade member and align the side edges.
    Type: Grant
    Filed: December 18, 2010
    Date of Patent: April 8, 2014
    Assignee: Caterpillar Inc.
    Inventor: Michael P. May
  • Publication number: 20120152573
    Abstract: A tractor blade assembly is disclosed having a first blade member and one or more replaceable, supplemental blade members. The first blade member has a supplemental blade mounting section extending laterally beyond the side edge of the first blade member and a supplemental blade member that removably attaches to the supplemental blade mounting section such that a side edge of the supplemental blade member abuts the side edge of the first blade member. The tractor blade assembly may include alignment structure to restrict vertical movement of the supplemental blade member relative to the first blade member and align the side edges.
    Type: Application
    Filed: December 18, 2010
    Publication date: June 21, 2012
    Applicant: Caterpillar Inc.
    Inventor: Michael P. May
  • Patent number: 7367408
    Abstract: A scraping device, a system and a method for collecting a material are provided. The scraping device may have a bowl having a first end and a second end. A lip may be positioned at the first end and may cover an opening at the first end. In an embodiment, direct mounted cylinders may be attached to the lip and may move the lip to completely cover or uncover the opening. The scraping device may have a tongue mounted to the bowl having a triangular-shaped plate mechanism that may be used to raise and to lower a cutting edge attached to the bowl. Cylinders connected to the mechanism may be retracted or extended to raise or to lower the scraping device. A load within the scraping device may be lifted by force exerted from a barrel end of a cylinder, thus utilizing a maximum potential of the cylinder.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: May 6, 2008
    Assignee: Caterpillar Inc.
    Inventor: John P. Moyna
  • Publication number: 20040050565
    Abstract: This invention is a novel and practical track-filling apparatus for smoothing rutted soil formed by the repeated passage of wheels. This invention comprises a frame, a means for attaching the frame to a tractor, and a soil moving blade assembly mounted to the frame. This blade assembly has laterally disposed and spaced apart left and right blades. A means for adjusting the included blade angle between these blades is also provided. This means includes a single blade adjusting hydraulic ram that is operatively connected to the blades via a novel yet simple and reliable linkage assembly. Additionally, means for lifting and tilting the apparatus optimizes operation of this invention over irregular and differing terrain.
    Type: Application
    Filed: September 17, 2002
    Publication date: March 18, 2004
    Inventor: Layne Klompien
  • Patent number: 5813474
    Abstract: The plow blade comprising support member, a blade edge being mounted to the support member and having one or more insert holes, and one or more blade inserts having a wear portion, the one or more blade inserts being mounted within the one or more insert holes of the blade edge such that the wear portion protrudes to some extent from the one or more insert holes.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: September 29, 1998
    Assignee: Kennametal Inc.
    Inventor: Terry A. Manway
  • Patent number: 5809760
    Abstract: An attachment is usable in combination with any conventional moldboard and provides a rake accessory unit for said moldboard. The rake attachment consists of a steel mounting plate, upon which a plurality of cylindrical steel tines, equally spaced, cut to a uniform length, the majority of which are welded to the mounting plate, and the remainder that extends below the the lower edge of the mounting plate, provides a rake configuration. The rake attachment is mountable in front of the moldboard, and the depth of the tines when used for grading the roads or recovering gravel from the turf, can be adjusted by conventional skid shoes, or by the hydralic lift systems commonly used on tractors.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: September 22, 1998
    Inventor: William G. Rexroat
  • Patent number: 5562365
    Abstract: Compaction of a soil surface is achieved by means of a machine (10) which has a movable, wheeled carriage (20) and an impact roller coupled resiliently to the carriage so as to move together with the carriage. The impact roller has one or more out-of-round compactor masses (12) designed to apply periodic impact blows to the soil surface (36). A soil working implement, in the form of an upright scraper blade (44) is carried by the carriage in a position trailing the impact roller. The function of the blade is to scrape soil into the localized indentations (40) that are formed in the soil surface by the periodic impact blows applied by the compactor mass or masses. This smooths out the soil surface for subsequent passes and reduces the shock loading on the tractive vehicle which pulls the carriage.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: October 8, 1996
    Assignee: Compaction Technology (Soil) Limited
    Inventor: Aubrey R. Berrange
  • Patent number: 5213164
    Abstract: An improved soil leveling apparatus (10) includes a frame (12), connecting hitch means (14), and adjustable lost motion linkage (48) secured to the top connection point (52) of the hitch, and an optional scarifier assembly (16) which is supported on a connector (66) pivoted between the legs (36,40) of the hitch. The scraper member (18) of the frame (12) is of generally inverted J-shaped cross section, and tine subassemblies (90) can be substituted for the teeth (78) on the scarifier assembly (12).
    Type: Grant
    Filed: June 13, 1991
    Date of Patent: May 25, 1993
    Inventor: Orlan H. Mork
  • Patent number: 4967850
    Abstract: Blade assemblies having a plurality of teeth extending therefrom are useful for working soil and/or for removing objects buried under the surface of the ground. However, having a plurality of teeth extending below the blade assembly can be detrimental since ground clearance is reduced or if the blade assembly inadvertently lowers during movement of the vehicle from one job site to another. In the subject arrangement, a blade assembly is provided having a plurality of teeth extending therefrom. The plurality of teeth are retractable in response to movement of a mechanism within the blade assembly. Upon raising the blade assembly to its carry position with subsequent retraction of the plurality of teeth, a mounting bar assembly which is associated with the plurality of teeth is moved into a recessed pocket of a latching flange. The latching flange is attached to a vehicle by a frame assembly.
    Type: Grant
    Filed: November 2, 1989
    Date of Patent: November 6, 1990
    Assignee: Caterpillar Inc.
    Inventors: Brent C. Bargfrede, Robert J. Purcell
  • Patent number: 4945663
    Abstract: Planting mounds for afforestation purposes and the like are formed by an apparatus wherein a device having at least one mound-forming and compacting body is provided on a movable support arm or boom of a carrier vehicle adapted to be driven along the ground. The body has an elongate, longitudinally concave soil-pushing front surface of shape and dimensions suitable to define the upper surface of a planting mound, and preferably has digging teeth or the like at its lower forward edge. The body is supported for pivotal movement relative to the arm or boom and may be pivoted by a piston-cylinder assembly or the like. For mound formation, the body is placed in a digging position with the soil-pushing surface facing in a first direction substantially parallel to the ground.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: August 7, 1990
    Inventor: Aston Nilsson
  • Patent number: 4910891
    Abstract: A device for attaching various earth-working tools to a bucket of excavating equipment, such as a front-end loader, backhoe, or excavator. A frame has two spaced parallel plates, each having a wedge-shaped notch on one side. A stabilizing bar, adjacent to the open end of the notches, connects the plates. The tool, such as an asphalt roller or cutter, is attached to the bottom of the frame between the plates. At the top of the frame, a clamping mechanism, having a pivoting arm, is mounted between the plates. To use the device, the excavator bucket is inserted into the wedge-shaped notch, with the device holding the bucket in place against the edges of the wedge-shaped notch, the stabilizing bar, and the pivoting arm of the clamping mechanism.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: March 27, 1990
    Assignee: Construction Technology, Inc.
    Inventors: James W. Martin, Thomas J. Martin
  • Patent number: 4909330
    Abstract: An automotive earth moving vehicle for civil and military applications. The lade is movable with respect to the body by two independently operable sets of fluid driven actuator sets which are in intersecting spatial relationship. Each actuator set is arranged symmetrically with respect to a vertical median plane of the blade and its actuators are in parallel spatial orientation with respect to each other. One set of actuators is designed for lifting and lowering the blade while the other set is designed to bring about oscillation and tilt. The blade comprises two segments horizontally linked to each other and is thus adapted to alternate between a dozer mode and a plough mode. Wing members may be provided for attachment to the two flanks of the blade in the plough mode.The vehicle also comprises a sensor for use in the plough mode adapted to feed the blade movement control with data on the terrain.
    Type: Grant
    Filed: December 12, 1986
    Date of Patent: March 20, 1990
    Assignee: The State of Israel, Ministry of Defence, Israel Military Industries
    Inventors: Igal Kasher, Haim Ginat
  • Patent number: 4883129
    Abstract: Ground engaging bits used in abrasive road grading applications utilizing carbide inserts brazed to the leading face of the steel tip are beneficial on motor grader blades. Commercial road grading bit assemblies used consistent thickness, rectangular carbide inserts brazed to the leading edge of the steel tip. Due to wear and high residual stresses imparted upon the insert from the brazing operation, premature cracking and breaking of the carbide inserts occur. The subject bit arrangement utilizes a carbide insert with a flat rectangular cutting face of non-constant thickness brazed to a leading edge of a steel body. The carbide insert has a thickness that increases from the top of the carbide insert and reaches a maximum at the bottom of the steel body, where bit wear is the greatest. The increasing thickness of the carbide tip extends bit life over the current rectangular design and allows for a more efficient and economical use of the carbide.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: November 28, 1989
    Assignee: Caterpillar Inc.
    Inventors: Alan H. Lonn, Daniel W. Nelson
  • Patent number: 4781518
    Abstract: A tree gripping device adapted to be mounted on the top of a bulldozer blade. The device has a base member mounted on top of the blade, the base member projecting past one side of the blade. A gripping arm is pivotally mounted on the projecting portion of the base member, the arm extending along the side of the blade. Actuating structures move the gripping arm toward the side of the blade to grip a tree between them.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: November 1, 1988
    Assignee: Equipements Denis Inc.
    Inventor: Jack W. Paavila
  • Patent number: 4753299
    Abstract: A blade assembly for hard earth road graders has a support frame for attachment to the mouldboard of the road grader and a plurality of evenly spaced picks located in sockets spaced along the lower edge of the support frame. The picks have spigots to releasably locate in the support frame sockets and engage with the support frame to prevent relative rotation between the spigots of the picks and respective sockets. The picks each have a tungsten carbide tile attached to their front face with a straight transverse cutting edge along the lower edge. In use the working face of the picks is perpendicular to a road surface to achieve a shaving action.
    Type: Grant
    Filed: May 2, 1986
    Date of Patent: June 28, 1988
    Inventor: Thomas A. Meyers
  • Patent number: 4671000
    Abstract: The invention is a new design for dipper teeth for bulldozer buckets, comprising a pair of teeth joined by a plate, each tooth having a flat, pointed front edge, longitudinal U-shaped slot at its rear end, and bolt means disposed through an opening in the top surface to hold the teeth in position on the bucket.
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: June 9, 1987
    Inventor: Young T. Kim
  • Patent number: 4616433
    Abstract: Among the variety of bucket arrangements that are commonly available, several are specifically designed for ripping applications in materials that are extremely hard to penetrate. While these types of buckets are normally satisfactory in ripping hard, strong, brittle materials, their designs do not lend themselves to excavating and dumping weaker more plastic materials and thus exhibit little or no versatility. The bucket arrangement of the subject invention includes a first and second ground penetrating means that are selectively positioned on the bucket with respect to each other. The selective positioning allows sole engagement of either of the first or second ground penetrating means with the ground or simultaneous engagement of both penetrating means with the ground. Such an arrangement provides superior operation in a ripping capacity and yet the selective positioning of the first and second penetrating means also permits excellent operation in weaker or plastic materials.
    Type: Grant
    Filed: February 12, 1985
    Date of Patent: October 14, 1986
    Assignee: Caterpillar Inc.
    Inventors: Harvey A. Knell, Lloyd B. Rumble
  • Patent number: 4614476
    Abstract: An improved sugar cane grab loader has a hydraulically actuated grab and supporting boom, and a mechanical pushpiler. The pushpiler has floating teeth to prevent undue ground penetration during its scraping action. The teeth move in free but limited fashion in a rearwardly inclined direction. The boom lifts the grab from the soil by a controlled height during closing action of the grab around the cane bundled on the ground.
    Type: Grant
    Filed: October 3, 1983
    Date of Patent: September 30, 1986
    Assignee: Santal Euipamentos S.A. Comercio E Industria
    Inventor: Luis A. C. Mello Ribeiro Pinto
  • Patent number: 4601119
    Abstract: A corner tooth is useful, for example, on construction equipment buckets to protect the sidewalls from abrasive wear which normally results from continued contact with the ground. In order to protect the sidewall, others use elements secured directly to the sidewall or various forms of specialized teeth mounted on the corner. Many of these specialized teeth inhibit the tooth's ability to penetrate the ground. The present corner tooth provides the protection for the sidewall while still maintaining good strength and penetration. This is due to a single flat member being oriented vertically with respect to the normal working position of the tooth and a single reinforcement rib extending perpendicular to the flat member. Furthermore, since the tooth is symmetrical about the second plane and the rib is located along the second plane the tooth can be used on either corner. This eliminates the need to manufacture and stock an extra part of a different design.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: July 22, 1986
    Assignee: Caterpillar Tractor Co.
    Inventor: Gene R. Klett
  • Patent number: 4516340
    Abstract: An attachment assembly for securing an excavation tooth in a row of closely spaced teeth on large earth excavating equipment. The assembly includes a nose piece, an excavation tooth and a securement pin. The nose piece has a base portion which is secured in a conventional manner to the shovel or dipper bucket of the excavation equipment, and a tapered extension for carrying the tooth. The tapered extension of the nose piece defines a recessed flat horizontal surface at the extended end thereof inwardly spaced from the lateral sides of the nose piece to define a horizontal stabilizing surface bordered by a vertical stabilizing wall. The tooth has a channel therein corresponding in configuration to the tapered extension of the nose piece so that the nose piece can fit thereover in a mating relationship.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: May 14, 1985
    Inventor: Richard L. Launder
  • Patent number: 4512090
    Abstract: A backhoe is provided with a retractable scraper and scarifier. The backhoe excavator bucket includes a stationary first mounting plate and a second plate pivotally mounted thereon for rotational movement with respect thereto and which carries a scarifier assembly. The scarifier assembly is movable in a plane parallel to the second plate. The second plate is provided with a lower rearwardly curved cutting edge or scraper portion containing slots through which the scarifier teeth may be extended or retracted. Rotational movement of the second plate with respect to the first and movement of the scarifier assembly with respect to the second plate is accomplished by hydraulic or pneumatic cylinders controlled by the operator of the prime mover.
    Type: Grant
    Filed: November 25, 1983
    Date of Patent: April 23, 1985
    Inventor: Jeff Billings
  • Patent number: 4467876
    Abstract: A ripper tooth means is disclosed in combination with a wheeled vehicle having a pair of forwardly extending arms, a frame secured to and extending between the arms, and a horizontal shaft removably mounted on the frame. The ripper tooth means is comprised of an elongated arm means having upper and lower ends and a longitudinal axis. A ripper tooth element is mounted on the lower end of the arm means. A sleeve element having a longitudinal axis extending at right angles to the longitudinal axis of the arm means is mounted on the upper end of the arm means. The sleeve element is slidably mounted on the horizontal shaft. A stop element is mounted on the sleeve element and is adapted to engage a portion of the frame upon limited rotational movement of the arm means with respect to the frame.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: August 28, 1984
    Inventor: Ronald L. Gaule
  • Patent number: 4463812
    Abstract: Apparatus for mounting on earth moving machinery including a blade portion, a rake portion, a support portion and a mounting portion; the blade portion including a substantially straight elongated plate section and a curved section extending therefrom; the rake portion including a plurality of spaced tooth members associated with the blade portion, the tooth members being disposed generally transversely of the length of the blade portion, each of the tooth members including a shank section and a hook section, each of the shank sections being disposed between a pair of spaced cross members extending substantially perpendicular to the plate section, aligned openings through the pair of cross members and the shank section and a pin extending therethrough; the support portion including a bar member supporting the tooth members, a longitudinal section located adjacent to the bar member; the mounting portion including side connectors disposed adjacent the side edges of the bar member, arm members releasably engagea
    Type: Grant
    Filed: February 15, 1983
    Date of Patent: August 7, 1984
    Inventor: Andrew O. Williamson
  • Patent number: 4448260
    Abstract: A universal earth-loosening attachment useful with earth-moving vehicles. The attachment mounts to the back side of tractor and bulldozer blades. The attachment includes a spike which engages the earth for loosening the earth during backward motion of the vehicle and which automatically swings upwardly to drag inoperatively on the earth surface during forward motion of the vehicle. Adjustment means allow the spike to engage the earth at an optimum angle relative to the earth grade for efficient operation. The spike is self-storing in an upright position.
    Type: Grant
    Filed: April 7, 1982
    Date of Patent: May 15, 1984
    Assignee: Wayne A. Harmsen
    Inventors: Wayne A. Harmsen, Arlyn V. Harmsen
  • Patent number: 4407081
    Abstract: A bucket for use in conjunction with earth working and material handling implements having a plurality of tooth members associated therewith. The bucket includes a cutting-edge plate secured to the leading edge of a backwall plate. The cutting-edge plate has a plurality of downwardly extending transversely spaced tongue portions associated with a forward end thereof. The tooth members have transverse grooves formed in the upper surfaces thereof for receipt of the tongue portions. Each tooth member has a pair of oppositely disposed beveled portions to permit reversal thereof on the cutting-edge plate.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: October 4, 1983
    Assignee: J. I. Case Company
    Inventor: Charles B. Hanson
  • Patent number: 4364191
    Abstract: A rake for use with tractors has a blade connectable to a tractor and a plurality of teeth extending from the bottom of the blade. The teeth are pivotally connected to permit movement of the teeth away from objects encountered when the tractor moves. Fluid piston and cylinder combinations interconnect the teeth with the blade so movement of the teeth displaces pressurized fluid within the piston and cylinder combinations. The pressurized fluid reverses the pivotal movement when the teeth clear the objects.
    Type: Grant
    Filed: October 21, 1980
    Date of Patent: December 21, 1982
    Inventor: Lyle C. Cazes
  • Patent number: 4208817
    Abstract: PCT No. PCT/US79/00090 Sec. 371 Date Feb. 15, 1979 Sec. 102(e) Date Feb. 15, 1979, PCT Filed Feb. 15, 1979, Ser. No. 30,244. A router bit assembly for an earth working apparatus (10, 12) including earth working means having a generally horizontally elongated blade (18) with a generally vertically extending side member (22) at at least one end of the blade, a relatively tall router bit (32) formed of plate metal extending along the side member and in proximity to the blade, a relatively short support (34) for the router bit interposed between the router bit and the side member and having a first lip (36) overlying and substantially abutting the upper extremity (38) of the router bit and a second lip (40) underlying the lower extremity (30) of the side member, and removable bolts (50) securing the router bit and the support to the side member.
    Type: Grant
    Filed: February 15, 1979
    Date of Patent: June 24, 1980
    Assignee: Caterpillar Tractor Co.
    Inventor: Russell D. Merkel
  • Patent number: 4204349
    Abstract: A corner tooth construction for a loader bucket in which a corner tooth is welded to a vertically disposed corner reinforcing member and a cutting edge member as an integral part of the bucket structure. The corner tooth can be readily installed or replaced without affecting the constructional welds of the bucket and without impairing the integrity of the bucket.
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: May 27, 1980
    Assignee: Clark Equipment Company
    Inventor: Thomas J. Tallis
  • Patent number: 4108250
    Abstract: An earthworking device such as a power scraper has a cutting edge assembly which may be mounted to give either a straight or a crenellated edge. The assembly consists of several identical long, narrow, rectangular members which have chamfered longitudinal marginal portions and are mounted alternately with the chamfers facing up and facing down, and the latter chamfers overlying the former. Threaded bolts impale holes near one end of the members which have their chamfers down so as to secure those members to the top surface of the scraper blade and frictionally clamp the other members to the blade.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: August 22, 1978
    Assignee: Caterpillar Tractor Co.
    Inventor: Russell D. Merkel
  • Patent number: 4086967
    Abstract: An end bit for selective and adjustable mounting to an earthmoving vehicle structure, such as a bulldozer blade, having opposite corner portions. The bit includes transversely extending cutting edge portions and a mounting portion adapted to be selectively mounted to either of the opposite corners of the blade with one or the other of the cutting edges exposed in cutting position and with the nonexposed cutting edge disposed in a retracted position. The mounting portion is further adapted to permit the bit to be selectively repositioned on either blade corner portion in any one of a plurality of different extended positions to compensate for wear of the exposed cutting edge.
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: May 2, 1978
    Assignee: Caterpillar Tractor Co.
    Inventors: Larry G. Eftefield, Paul J. Lukavich, Roger R. Mitchell
  • Patent number: 4073077
    Abstract: Snowplow blades can be immediately varied in length at one or both ends by providing extensions of the same shape as the blade, which extensions carry studs which are received in sockets, preferably lengthwise of the back of the blade. The studs are pinned in the sockets for quick and easy fastening and removal.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: February 14, 1978
    Inventors: Albert E. Essel, deceased, by Virginia G. Essel, executrix
  • Patent number: 4055223
    Abstract: A corner tooth assembly, for an earthmoving implement having an upright sidewall and a cutting edge disposed in laterally extending relation from the sidewall, includes a corner tooth adapter having a hollow rearward portion secured to a lower forward outside surface of the sidewall and a nose portion extending forwardly of the sidewall, and a replaceable wear tip mounted on the nose portion of the adapter protectingly beyond the implement so that loads on the tip during forward movement of the implement are transmitted through the adapter directly rearwardly to the sidewall without affecting the cutting edge.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: October 25, 1977
    Assignee: Caterpillar Tractor Co.
    Inventors: Thomas P. Casey, Howard A. Hansen, Gene R. Klett, James A. Olthoff
  • Patent number: 4047312
    Abstract: A corner tooth assembly which is removably secured to the corner of an implement for engaging the earth in a longitudinally oriented forward direction, and which includes a laterally extending bottom plate, a side plate integrally secured to the bottom plate, and an elongated forwardly extending earth penetrating structure integrally secured to the bottom and side plates for overlappingly engaging the implement protectingly exteriorly of the corner thereof.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: September 13, 1977
    Assignee: Caterpillar Tractor Co.
    Inventor: Visvaldis A. Stepe
  • Patent number: 4019268
    Abstract: This invention is directed to an apparatus for compacting snow for skiing and snowmobiling. It includes an elongated snow compacting member with means which permit its ends to move upwardly and downwardly so that when one end contacts an elevated snow surface that end automatically moves upwardly to substantially equalize the p.s.i. exerted by the snow compacting member against the snow which is being compacted. It also includes snow compacting wings which extend outwardly from and are pivotally secured to the central snow compacting section of the snow compactor and power means for rotating the wings upwardly. The outer ends of the wings are secured to the inner ends by shear bolts or pins so that when an outer end contacts a rigid object it falls away and is not damaged. Means is provided for adjusting the angle of attack of the bottom wall of the snow compacting element to the surface of the snow to vary the pressure exerted upon it.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: April 26, 1977
    Assignee: Valley Engineering, Inc.
    Inventor: Donald Herbert Waterman
  • Patent number: 4007550
    Abstract: A replaceable corner tooth assembly is disclosed, for an earthmoving implement having a sidewall member and a base plate member disposed in laterally extending relation therefrom at a forward corner thereof, including an elongated body with a rearwardly extending, fully corner encasing angle member and a rearwardly extending cooperating inner leg which load-transferringly and interlockingly embrace the sidewall member and the base plate member at the forwardly disposed intersection thereof for maximizing effective corner protection of the implement.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: February 15, 1977
    Assignee: Caterpillar Tractor Co.
    Inventor: Visvaldis A. Stepe
  • Patent number: 4006544
    Abstract: Two embodiments of a replaceable cutting edge assembly for earthmoving buckets, each assembly including a plurality of cutting edge sections arranged along a leading edge of the earthmoving bucket floor with digging teeth overlapping the junctures between the cutting edge sections, the cutting edge sections being configured for attachment to the bucket floor, for example, by means of bolts, while trapping and holding the digging teeth in place in order to facilitate replacement of individual portions of the assembly while also adapting the bucket for use with a single elongated cutting edge without the digging teeth. In one embodiment, the cutting edge sections and teeth are designed to provide a flush bottom surface suitable for finish work even with the teeth in place. In the second embodiment, additional means are employed to secure both the digging teeth and cutting edge sections in place along the leading edge of the bucket floor.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: February 8, 1977
    Assignee: Caterpillar Tractor Co.
    Inventor: Visvaldis A. Stepe
  • Patent number: 3995384
    Abstract: A replaceable edge bit structure for a blade- or bucket type earthworking implement includes a bit having a pair of underbeveled catch regions in one of its faces. One of the regions has a configuration complementing that of the working edge of the implement's moldboard; the other region has a configuration complementing portions of mounting parts for the bit which are secured to the moldboard. The bit is removably held in conjoint engagement with the moldboard and mounting parts by a single pin disposed in front of and parallel to the moldboard, engaging the bit and mounting parts.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: December 7, 1976
    Assignee: John F. Duncan
    Inventor: Jay J. Wood
  • Patent number: 3994084
    Abstract: In earthmoving equipment, such as a scraper, an adjustable feedthrough protective bit is mounted on each side wall of the bowl in position to protect the leading edges of the bowl in the vicinity of a cutter blade extending between said side walls. Guide straps or abutments are provided on the walls to hold each bit in fixed position on the bowl and a novel arrangement of apertures and openings are provided in each bit and in the wall of the bowl to facilitate effectively securing the bit to the bowl. The bit configurations may be such as to permit end-for-end reversal of orientation of the bit and to provide for use of the bit on either side of the equipment.
    Type: Grant
    Filed: April 9, 1975
    Date of Patent: November 30, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: Roger M. Smith, Eugene M. Wilson
  • Patent number: 3961788
    Abstract: A bulldozer blade comprises an upright member having a pair of laterally spaced end plates and a transversely disposed cutting edge secured thereon. A mounting plate is secured forwardly on the outboard side of each of the end plates and an adapter is secured forwardly on each of the mounting plates. An end bit and an earthworking tip are detachably mounted on each of the adapters.
    Type: Grant
    Filed: February 7, 1975
    Date of Patent: June 8, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: Eugene L. Helton, Nathan Gutman, Donald E. Ribbing
  • Patent number: RE31045
    Abstract: Snowplow blades can be immediately varied in length at one or both ends by providing extensions of the same shape as the blade, which extensions carry studs which are received in sockets, preferably lengthwise of the back of the blade. The studs are pinned in the sockets for quick and easy fastening and removal.
    Type: Grant
    Filed: February 22, 1980
    Date of Patent: October 5, 1982
    Inventors: Albert E. Essell, deceased, by Virginia G. Essell, executrix, Robert A. T. Essell, Christopher W. Essell