Claw Bar Patents (Class 254/25)
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Publication number: 20010025949Abstract: A nail extraction tool comprising a head portion and a shaft portion where the head portion has a contact surface that is adapted to engage a wooden surface to extracting nail without leaving an indentation upon the wood surface. The nail extraction tool further is adapted to hang from the loop of the belt where the shaft portion extends therethrough the loop and the tool is supported by the lower surface of the head portion.Type: ApplicationFiled: February 27, 2001Publication date: October 4, 2001Inventor: Chris R. Fagan
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Publication number: 20010025950Abstract: A multipurpose tool is provided for use in levering materials relative to one another in the renovation and construction of building structures. The tool includes an elongate shaft having a gripping end and a working end. A pair of elongate blades are mounted spaced apart and perpendicularly to the shaft with the working end of the shaft therebetween. Each blade extends longitudinally from first penetrating end to a second engaging end in the form a steel plate which is oriented parallel to the shaft. A plurality of fulcrums are defined on a outer side of the blades opposite the gripping end of the shaft. An additional fulcrum is formed on the working end of the shaft between the blades.Type: ApplicationFiled: February 28, 2001Publication date: October 4, 2001Inventor: Cliff Gjerde
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Patent number: 6257553Abstract: An improved utility bar includes an elongate shank which has a longitudinal axis, a prying hook at one end and a prying chisel at the other end. The prying hook has a tapered portion extending along a direction generally an angle &agr; with the longitudinal axis and a generally U-shaped portion integrally formed with the shank and the tapered portion. The tapered and U-shaped portions together form a prying footprint surface facing a direction away from the shank. The angle &agr; is selected to be greater than 90° and preferably selected within the range of 93°-110°. The prying footprint has a minimum transverse dimension which is substantially greater than the minimum cross sectional dimension of the shank.Type: GrantFiled: September 27, 1999Date of Patent: July 10, 2001Assignee: Olympia Group, Inc.Inventor: Zareh Khachatoorian
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Patent number: 6186479Abstract: A framework removal tool method is provided. The tool comprises a first side of a stake contact element including first and second notches with first and second dimensions, respectively. A lever arm connects to the stake contact element. One of the first or second notches is selected based on a dimension of a stake. The selected notch is placed adjacent the stake. The lever arm is rotated to remove the stake. In another embodiment, a second tool for removing stakes is provided. The tool includes a bar with a nail removal notch on a first end, and a stake contact element connected to the bar near the first end. The stake contact element includes at least a first stake notch on a first side. A rounded extension rigidly connects to the bar near the first end.Type: GrantFiled: September 2, 1998Date of Patent: February 13, 2001Inventor: Lowell F. Witter
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Patent number: 6158100Abstract: A tool for opening a sealed telephone cable splice box. The tool has a fulcrum adapted to bear against various points on the ends of the splice box. The tool also has a lever adapted to cooperate with the fulcrum and a sliding member that slides longitudinally along the lever and is adapted to bear against the box top. The top of the box is separated from the bottom and ends of the splice box by transferring force between sliding member and the fulcrum through the lever.Type: GrantFiled: September 20, 1999Date of Patent: December 12, 2000Inventors: Erik B. Peterson, Richard D. Peterson
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Patent number: 6131488Abstract: A head-to-handle interface for a striking tool having a plane of symmetry has a web in the plane of symmetry and sidewalls around the periphery of the web except for the direction of joining the handle to the head, the web and sidewalls forming socket areas on both sides of the web, such that a handle shaped to engage the sockets is joined to the head in a manner that bending stresses are greatly alleviated at and near the head-to-handle interface. In one embodiment a variable weight system provides for a user varying the weight of the head of a striking tool. In another aspect, a nail-pulling slot is provided with significantly tapered inner walls.Type: GrantFiled: November 4, 1999Date of Patent: October 17, 2000Assignee: Douglas Tool, Inc.Inventor: Todd Douglas Coonrad
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Patent number: 6113074Abstract: A combination construction and wrecking tool for performing multiple operations such as hammering, picking, axing, pounding, prying and bashing. The tool has a shaft with a handle at the upper end which has a grip that is offset and which is rotatable. The head end has a slightly curved base with a notch at one end and a hammer face at the opposite end.Type: GrantFiled: June 15, 1998Date of Patent: September 5, 2000Inventor: John Patrick Foley
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Patent number: 6038754Abstract: A tool which has the capability of removing the nut from both large and small nut plate assemblies, the tool also including a portion for installing a nut into the plate assembly cage. The tool comprises a handle having a removal nose portion at one end and a threaded shaft portion for receiving a reinstallation socket at the other end. In a preferred embodiment, the portion of the handle incorporating the removal nose portion is angled with respect to the remaining portion of the handle. The reinstallation socket has a threaded aperture for receiving the thread shaft portion, therefor securing the socket to the tool. The nose portion has an upper jaw portion separated from a lower jaw portion by an opening. The upper jaw portion is used to pry open the nut plate cage and the lower jaw portion pushes and lifts the nut from the cage. The space between the two jaw portions enables a pivoting action around the pried open cage wall.Type: GrantFiled: December 15, 1997Date of Patent: March 21, 2000Assignee: Fairchild Holding Corp.Inventor: Jay M. Stafford
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Patent number: 5957429Abstract: An improved prying bar includes an elongate shank which has a longitudinal axis, a prying hook at one end and a prying chisel at the other end. The prying hook has a tapered portion extending along a direction generally an angle .alpha. with the longitudinal axis and a generally U-shaped portion integrally formed with the shank and the tapered portion. The tapered and U-shaped portions together form a prying footprint surface facing a direction away from the shank. The angle .alpha. is selected to be greater than 90.degree. and preferably selected within the range of 93.degree.-110.degree.. The prying footprint has a minimum transverse dimension which is substantially greater than the minimum cross sectional dimension of the shank.Type: GrantFiled: July 22, 1998Date of Patent: September 28, 1999Assignee: Olympia Industrial, Inc.Inventor: Zareh Khachatoorian
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Patent number: 5938177Abstract: A power bar device including first bar. The first bar has a first end, a bend, a body portion and wedged shaped working end projecting from the bend. The body portion has a pair of generally rectangular plates fixedly attached. Each of the pair of plates having a plurality of openings. A second bar has a plurality of openings therethrough and an arced foot member that is fixedly attached to one end and spaced from the plurality of opening. The second bar is positioned between a gap of the pair of plates. A pin is positioned simultaneously through atleast one of the openings of the second bar and atleast one of the opens of each of the pair of plates, when each are in alignment therewith, for securing the second bar between the plates of the first bar.Type: GrantFiled: May 11, 1998Date of Patent: August 17, 1999Inventor: Scott J. Fonda
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Patent number: 5909910Abstract: A tool comprising a bar with a pair of teeth proved at one end of the bar and a handle portion attached at the other end of the bar approximately perpendicular to the bar. The teeth are spaced apart from each other in order to allow an end of a t-post clip to removably insert therebetween. The teeth are approximately parallel with the handle and extend outward from the bar in a direction opposite the direction that the handle extends from the bar. The tool is used to twist the ends of t-post clips in order to secure the clips to fence wire in order to secure the fence wire to the t-posts, or alternately, to remove the clips therefrom.Type: GrantFiled: May 28, 1998Date of Patent: June 8, 1999Inventor: Danny Craig Shaffer
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Patent number: 5884900Abstract: A fastener removal tool includes a substantially planar body portion having first and second ends. A standoff portion extends from the first end. A handle portion extends from the second end. The body portion forms a slot therein for cooperation with the fastener head, whereby the slot may be engaged with the fastener head and the standoff portion used as a fulcrum for removing the fastener. The slot has narrow opposing ends to facilitate engagement with the fastener head as the tool is moved in either longitudinal direction.Type: GrantFiled: July 25, 1997Date of Patent: March 23, 1999Assignee: McDonnell Douglas CorporationInventors: Richard W. Gobeil, Robert M. Skidmore
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Patent number: 5865425Abstract: A manhole cover extractor for loosening and lifting a cover by using rods in slots in the top of the cover or drain holes in the cover, the extractor having an elongated head with one end shaped as a sledge hammer and the other end shaped as a tapered, curved arm having a rounded bottom with a pointed pry tip. The curvature of the arm is along a tangent to the bottom center of the arm to position the pry tip under a rod or in a drain hole to engage the bottom of the cover. Serration's on the top of the arm to seat a rod in the slot or a drain hole. A hole in the center of the head receives a handle for swinging the sledge hammer to loosen the cover and to act as a lever for the pry tip when the handle is lifted and pulled.Type: GrantFiled: January 8, 1998Date of Patent: February 2, 1999Inventor: Harry Douglas Meadows
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Patent number: 5855358Abstract: A framework removal tool is provided. The tool comprises a first side of a stake contact element including first and second notches with first and second dimensions, respectively. A lever arm connects to the stake contact element. One of the first or second notches is selected based on a dimension of a stake. The selected notch is placed adjacent the stake. The lever arm is rotated to remove the stake. In another embodiment, a second tool for removing stakes is provided. The tool includes a bar with a nail removal notch on a first end, and a stake contact element connected to the bar near the first end. The stake contact element includes at least a first stake notch on a first side. A rounded extension rigidly connects to the bar near the first end.Type: GrantFiled: September 29, 1997Date of Patent: January 5, 1999Inventor: Lowell F. Witter
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Patent number: 5820107Abstract: A multi-use lever having a flat pry blade member and a handle lying in substantially parallel planes connected by an elongated midsection. A pair of bends provide a substantially upright configuration transitioning from the handle and pry blade member to the midsection, enabling the worker to drive and extract nails from constricted work areas, and lift heavy objects by increasing leverage exerted by the tool. A claw and eyelet defined as part of the pry blade member allow the lever to be utilized as a nail extractor. V-shaped tips of the claw provide points for digging into soft building materials and provide an edge providing a fulcrum for prying at unusual angles. The lever is made of a solid steel construction, allowing the lever to be used as a hammer, with a flattened portion functioning as the strike point.Type: GrantFiled: January 27, 1997Date of Patent: October 13, 1998Inventor: Kessie M. Hall
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Patent number: 5768956Abstract: A head-to-handle interface for a striking tool having a plane of symmetry has a web in the plane of symmetry and sidewalls around the periphery of the web except for the direction of joining the handle to the head, the web and sidewalls forming socket areas on both sides of the web, such that a handle shaped to engage the sockets is joined to the head in a manner that bending stresses are greatly alleviated at and near the head-to-handle interface. In one embodiment a variable weight system provides for a user varying the weight of the head of a striking tool. In another aspect, a nail-pulling slot is provided with significantly tapered inner walls.Type: GrantFiled: March 28, 1996Date of Patent: June 23, 1998Inventor: Todd Douglas Coonrad
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Patent number: 5749113Abstract: An apparatus for cleanly and easily removing nails from drywall has a shaft portion with a narrowing portion having a first end attached to the shaft portion and a second end having a width narrower than the width of the narrowing portion first end. The narrowing portion and the shaft portion, in combination, are substantially flat. A prong is placed at an angle to the narrowing portion on the narrowing portion second end, and the prong has a width similar to the narrowing portion second end. Further, a radius portion near the shaft portion first end extends from the shaft portion or narrowing portion. The radius portion has a width similar to the narrowing portion first end and is rounded. The radius portion and the shaft portion form a gap area between the prong and the radius portion. A drywall installation and nail remover has a shaft portion and a prong placed on the shaft portion at an angle to the shaft first end.Type: GrantFiled: February 20, 1996Date of Patent: May 12, 1998Inventor: Lowell F. Witter
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Patent number: 5722141Abstract: A fastener retainer removal tool comprises a handle, a shank extending from he handle, and a tip at the distal end of the shank. The tip has a narrow portion and a wide portion divided by a slot that is tapered outward on one side. The other end of the slot is enlarged to hold a workpiece inside the slot. The narrow portion of the tip is used for guiding safety wire and cotter keys into the slot. The wide portion of the tip is used as a lever to assist in bending thick cotter keys.Type: GrantFiled: July 11, 1996Date of Patent: March 3, 1998Assignee: The United States of America as represented by the Secretary of the NavyInventor: Elliotte Strickland
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Patent number: 5695171Abstract: An improved pry bar tool for removing step flashing from a building during roof replacement or like service. The tool is configured to receive a nail on right and left sides and on either terminal end, at any of a number of possible nail pulling notches or grooves. The two ends are offset differently, so that a variety of pulling positions is offered. Enlarged heads for receiving hammer blows from all angles enable the tool to be tapped while maneuvering to remove a nail from the flashing. The novel tool is able to remove nails expeditiously from flashing without distorting or destroying the flashing, so that it is reusable.Type: GrantFiled: July 7, 1995Date of Patent: December 9, 1997Inventor: William Shine
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Patent number: 5695172Abstract: A panel lifter pry bar comprises an integrally formed elongated bar with an elongated substantially rectilinear shank portion having a U-shaped portion at one end disposed to one side of the longitudinal axis of the shank portion, and an inverted U-shaped portion at the other end disposed to the other side of the longitudinal axis. At the end of the U-shaped portion spaced from the shank portion is a claw, and at the end of the inverted U-shaped portion, is an elongated panel lifter portion which extends at an obtuse angle to the shank portion. The U-shaped and inverted U-shaped portions provide fulcrums on opposite sides of the longitudinal axis of the shank portion for the claw and panel lifter portions respectively.Type: GrantFiled: August 28, 1996Date of Patent: December 9, 1997Assignee: The Stanley WorksInventor: Kenneth W. Hreha
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Patent number: 5577711Abstract: A pry bar tool for removing step flashing from a building during roof replacement or like service. The tool is configured to receive a nail on right and left sides, at any of a number of possible nail pulling notches or grooves. The two ends are offset differently, so that a variety of pulling positions is offered. Enlarged heads for receiving hammer blows enable the tool to be tapped while maneuvering to remove a nail from the flashing. The novel tool is able to remove nails expeditiously from flashing without distorting or destroying the flashing, so that it is reusable.Type: GrantFiled: April 26, 1995Date of Patent: November 26, 1996Inventor: William Shine
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Patent number: 5495651Abstract: A hand held tool for the removal of vacuum hoses includes a removable grasping handle portion. An elongated slender shaft portion has a free end connected to the removable handle portion and a working end. A sharp edged, tapered, U-shaped slot is disposed on the working end of the elongated slender shaft portion. The working end has a taper for working the tool behind a hose which has its end pressed against a flush wall. A double fulcrum is provided to give a large mechanical advantage during early part of the pry to break a rubber hose free and then a smaller mechanical advantage during a later part of the pry to remove the hose more rapidly. Sharp edged, non-chamfered edges increase the surface contact area of the end of a hose and has a removable grasping handle. The sharp edged U-shaped slot for surrounds a significant portion of an exposed end of a hose so as to apply shear-type removal stress as near as possible to a frictionally resistive tube inserted in the hose.Type: GrantFiled: November 4, 1994Date of Patent: March 5, 1996Inventor: Kurtis K. Tsuha
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Patent number: 5459917Abstract: A tool is provided that includes a claw head wherein the claw head includes a plurality of laterally spaced claw fingers. The claw fingers are particularly sized and spaced such that they can be projected down through the exposed side of a spiked metal connecting plate and particularly through the perforated openings formed therein. More particularly, the claw fingers are designed such that the entire tool and claw head is effective to remove or peel the spiked metal connecting plate from one or more connecting wood members.Type: GrantFiled: January 3, 1994Date of Patent: October 24, 1995Inventor: Ulys Smith
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Patent number: 5447289Abstract: A pry shovel tool for wooden pallet deck board removal and similar purposes is disclosed in several embodiments. All embodiments include a general S-shaped (in cross-section), relatively thin blade made of thin spring metal, whose forward section defines a central cut-out portion sized to allow the blade to receive therein the cross member of the pallet or like and, for the sections of the blade adjoining the cut-out to penetrate below the board to be removed. In one employment, a permanent elongated handle is affixed to the rear portion of the blade. In a second embodiment, a wider blade and cut-out are provided to accommodate wider pallet cross members such as a 4.times.4 timber. A third embodiment has a blade equipped with means for manually attaching removable handles with a short-length handle, an elongated straight handle, and a handle with a 90 degree removable extension section being disclosed.Type: GrantFiled: August 29, 1994Date of Patent: September 5, 1995Inventor: Eugene J. Callahan
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Patent number: 5322264Abstract: A hand tool consists of a single length of flat, rigid, steel bar stock bent in the nominal plane of the bar to form a long main body, an elongated head offset from one end of the main body by an orthogonal shoulder and a relatively long foot extending from the other end of the main body in a direction generally opposite to the direction of the offset. The free ends of the head and foot are provided with beveled edges which are notched to enable the head and foot to be engaged under nail heads. The tool can be used in a wide variety of prying, pulling, lifting and positioning applications.Type: GrantFiled: May 26, 1993Date of Patent: June 21, 1994Inventor: Peter Giambro
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Patent number: 5207126Abstract: A generally "L" shaped tool of rigid construction includes a first planar leg plate orthogonally mounted to a second arcuate leg plate, wherein the first leg plate includes a first leg plate bifurcated free end defining a first leg plate notch, and wherein the second leg plate includes a convex leg plate surface oriented in confronting relationship relative to the first leg plate free end. The second leg plate includes a second leg plate free end formed with a first medial notch and respective second and third lateral notches positioned adjacent the free end relative to opposing first and second sides of the second leg plate to provide for multiple access to various nails and the like in removal of shingles and shakes without damage to underlying felt. A modification of the invention includes a support mount for the tool of the invention.Type: GrantFiled: December 16, 1991Date of Patent: May 4, 1993Inventor: Bernard J. Schaben
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Patent number: 4997172Abstract: A tool organization is set forth for positioning and engaging a joist in relationship to a predetermined orientation relative to a cross joint utilized in construction to arrange and orient the first joist in a vertical orientation. The tool comprises a bifurcated head including an internally threaded boss at a rear terminal end thereof to threadedly receive a handle thereon to permit selective replacement of the head to accommodate various width joists. Legs of the head include planar parallel confronting faces and rearwardly tapered side surfaces to effect clearance and enhance visualization in use of the tool. A modification of the instant invention includes a cross shaft mounted to a rear terminal end of the handle, including spirit level and a series of notches mounted on a top surface of the cross shaft.Type: GrantFiled: April 4, 1990Date of Patent: March 5, 1991Inventors: Richard A. Mumm, William M. Stamey, III
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Patent number: 4844416Abstract: A crowbar includes a lower portion, a middle portion, and an upper portion. The lower portion has a tip portion with a bearing surface. The middle portion is an offset portion. The upper portion has a plum line surface, which is disposed at an angle of about 90 degrees to the tip portion/bearing surface. The crowbar is useful in removing material from poorly accessible regions such as ceilings or floor - wall corners. For example, the crowbar can readily remove baseboards of partition walls, and wood lath from ceiling beams and is useful in lifting heavy objects and the like.Type: GrantFiled: September 8, 1987Date of Patent: July 4, 1989Inventor: Patrick Hand
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Patent number: 4825918Abstract: The present disclosure is directed to a log splitting sledge. The sledge has a cutting blade projecting from a lower face of the head of the sledge. One face of the blade is integral with a side face of the head and extends at an angle of about 12 degrees of the handle. The angle is a result of either a bend in the handle or the handle being mounted in the head at a non 90 degree angle. The sledge is first used to drive one or more wedges in a log, partially splitting the log. The head of the sledge is then forced down into the partially split log, the log standing on end and the handle protruding upwardly. Then the sledge handle is moved through an arc having the blade edge as a pivot line to complete the splitting of the log. If any slivers are holding the split portions together, the sledge can be then used as a vertical axe with the front cutting edge slicing through the slivers.Type: GrantFiled: June 14, 1988Date of Patent: May 2, 1989Inventor: Wesley C. Meinerding
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Patent number: 4826136Abstract: In a lever type tool, the combination comprising:(a) an elongated handle, and(b) a head having two opposed and spaced apart claws projecting in generally the same direction at opposite sides of a space to closely receive a portion of a rectangular cross section of a lumber member,(c) one of the claws at one side of the space being substantially shorter in length than the other of the claws at the opposite side of the space,(d) the claws having first inner surfaces,(e) the one claw having an outward convex outer surface to engage a work surface, and a second inner surface offset relative to the first inner surface thereof and toward the convex outer surface, the tines of the one claw having opposed faces that merge together at a locus that intersects the second inner face.Type: GrantFiled: January 25, 1988Date of Patent: May 2, 1989Inventor: Philip G. Thomas
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Patent number: 4776568Abstract: A nail puller which is an assembly of a front hollow tube having a diamond-shaped end opening which fits over and engages the nail head and a handle, and having an intermediate member which extends from the handle into the end of the hollow tube opposite the nail-engaging end for completing the assembly of the nail puller.Type: GrantFiled: September 8, 1987Date of Patent: October 11, 1988Inventor: Jacob Perel
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Patent number: 4762303Abstract: In a lever type tool, the combination comprising:(a) an elongated handle, and(b) a head having two opposed and spaced apart claws projecting in generally the same direction at opposite sides of a space to closely receive a portion of a rectangular cross section of a lumber member,(c) one of the claws at one side of said space being substantially shorter in length than the other of the claws at the opposite side of said space.Type: GrantFiled: January 12, 1987Date of Patent: August 9, 1988Inventor: Philip G. Thomas
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Patent number: 4670932Abstract: A portable tool of durable thermoplastic composition for cleaning or removing mud or other debris from the heels and soles of a cleated shoe. A swordlike handle is secured to an elongated blade which extends to a beveled scraping edge at its distal end. The blade end is of a width dimension adapted to pass between adjacent cleats and is centrally grooved or slotted for intervening receipt of a cleat during cleaning. A transverse guard plate extending about the blade at the inboard end of the handle protects a user's hand on the handle against dirt and/or cleat contact during the course of debris removal.Type: GrantFiled: January 10, 1986Date of Patent: June 9, 1987Inventor: Jeffrey S. Williams
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Patent number: 4625945Abstract: A pry bar wedge member adapted for use in the removal of forms, such as wooden forms, from poured concrete, or the like. The wedge member includes a striking surface thereon for aiding in forcing the member between the form and the poured and hardened concrete, and also includes ratchet means adapted for coaction with a breaker bar lever, for applying leverage force to the wedge member, in the operation of prying the forms loose from the poured concrete. An advantage of the pry bar wedge member is that it is useable in restricted space environments so that leverage force can be effectively applied even though the applicable space available is restricted.Type: GrantFiled: October 9, 1984Date of Patent: December 2, 1986Inventors: Jay A. Hearn, John E. Hearn
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Patent number: 4182390Abstract: A shingle removal tool includes a main supporting shaft having an outer handle and a shingle removing blade at the opposite end. Centrally of the supporting shaft, an angled arm is secured to and extends outwardly and upwardly for gripping by the opposite hand of the roofer. The blade has a first portion aligned with the shaft, formed with a plurality of different sized notches, and a lateral extension portion formed as a continuous chamfered blade. A side blade wall extends past the bottom end of the shaft and lifts the shingle.Type: GrantFiled: July 31, 1978Date of Patent: January 8, 1980Assignee: Harvey G. KuhlmanInventor: Jerome A. Renner
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Patent number: 4039140Abstract: A tool for removing nails in the form of a bar curved to form a fulcrum at its working end, which terminates as a short first forked claw. A second forked claw of intermediate length is fixed at a second distance from the fulcrum and a long third fork claw is fixed at a second distance from the fulcrum with all forked claws being generally similarly curved and extending in the same direction from the bar. The second and third claws are used to fasten about a nail head which has been partially lifted above the surface on which the fulcrum is rested, for complete removal of the associated nail.Type: GrantFiled: June 14, 1976Date of Patent: August 2, 1977Assignee: The Raymond Lee Organization, Inc.Inventor: Barron Pulliam
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Patent number: 3987827Abstract: A generally Z-shape bar has on one free end portion a forwardly-facing claw and a rearwardly-facing notch. The other free end portion constitutes a handle, and the surfaces of the knee connecting the end portions constitute anvil surfaces. Arms projecting laterally from the knee engages beneath and lift up a covering shingle whereby the claw or notch can be manipulated so as to engage a nail which holds down a covered shingle.Type: GrantFiled: March 5, 1976Date of Patent: October 26, 1976Inventor: William R. Mills
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Patent number: D256442Type: GrantFiled: December 21, 1977Date of Patent: August 19, 1980Inventor: George G. Martin