Patents Assigned to Rockland, Inc.
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Patent number: 6857842Abstract: In an assembly mountable on a machine, including an implement provided with a pair of mounting brackets each having a pair of opposed pin receiving recesses, a dipper stick operatively connected to the machine for selected movement and having a first connecting pin rotatably mounted in an end thereof and receivable in one of the implement recesses, a fluid actuated cylinder assembly having a cylinder member pivotally connectable to the dipper stick and a rod member provided with an operatively connected second connecting pin rotatable relative thereto and receivable in the other of the implement recesses, and a pair of spacer links each disposed on a side of the dipper stick and spaced therefrom, operable to selectively maintain the connecting pins in retracted, inoperative positions permitting them to be maneuvered and inserted into or removed from the implement recesses, and in extended, inoperative positions within the implement recesses, detachably coupling the implement to the dipper stick, an adapter asType: GrantFiled: January 17, 2002Date of Patent: February 22, 2005Assignee: Rockland, Inc.Inventor: Ashley Heiple
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Patent number: 6843005Abstract: A guard member for a fluid actuated rod and cylinder assembly of a machine having front end assembly including a dipper stick, a working implement pivotally connected to the dipper stick, an arm member pivotally connected to the dipper stick and cooperable with the implement to grapple articles therebetween and such rod and cylinder assembly for angularly displacing the arm member relative to the dipper stick, generally consisting of an elongated article mountable on the free end of the rod member and projecting along the length thereof when mounted thereon.Type: GrantFiled: November 14, 2002Date of Patent: January 18, 2005Assignee: Rockland, Inc.Inventor: John Clapper
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Patent number: 6718663Abstract: A coupler assembly for detachably connecting an implement provided with a pair of mounting pins to a machine-having a dipper stick and at least one tilt link, generally consisting of a body pivotally connectable to such dipper stick and such pivot link, a first jaw portion engageable with one of the implement connecting pins and a pair of opposed guide slots; a jaw member mounted on the body and cooperable with the guide slots for displacement along a line of travel, engageable with the other of the implement connecting pins; and structure for displacing the jaw member along such line of travel.Type: GrantFiled: September 24, 2002Date of Patent: April 13, 2004Assignee: Rockland, Inc.Inventor: William F. Geraghty
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Patent number: 6709224Abstract: An assembly for detachably coupling an implement to a machine having lift arms and a link cylinder generally consisting of a first component mounted on the implement and having a downwardly opening hook and a downwardly spaced spring biased latch element, and a second component including means for mounting the second component on the lift arms and tilt link of the machine, a connecting pin engageable with the hook on the first component allowing the first component to swing relative to the second component about an axis, a striker element engageable with the latch element in tripping relation when the connecting pin of the second component engages the hook of the first component and the first component is caused to swing toward the second component about the pivotal axis thereof, to position the striker between the latch element and a portion of the first component, and means for selectively depressing the latch element to permit the first component to swing away from the second component.Type: GrantFiled: June 12, 2002Date of Patent: March 23, 2004Assignee: Rockland, Inc.Inventor: Ashley Heiple
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Patent number: 6659708Abstract: An assembly mountable on a machine consisting of an implement provided with opposed pin receiving recesses, a dipper stick connectable to the machine, a first connecting pin mounted in the dipper stick and receivable in one of the implement recesses, a support link pivotally connected to the dipper stick, an actuating link pivotally connected to the support link, a second connecting pin mounted in the actuating link and receivable in the other of the recesses, a base link rigidly connected to the second pin and detachably connectable to the first connecting pin and a fluid actuated assembly interconnecting the dipper stick and the support or actuating links whereby upon operation of the fluid actuated assembly, the pins will be caused to displace relative to each other to permit such pins to be inserted into and withdrawn from the implement recesses for coupling and uncoupling the implement relative to the dipper stick.Type: GrantFiled: June 13, 2001Date of Patent: December 9, 2003Assignee: Rockland, Inc.Inventor: Ashley Heiple
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Patent number: 6658770Abstract: An assembly mountable on a dipper stick operatively connected to a machine, having a fluid actuated assembly, and connectable to an implement having at least one pair of opposed, connecting pin receiving recesses generally consisting of at least one spacer link including a pair of segments pivotally connected together and angularly displaceable relative to each other between retracted, inoperable and extended, operable positions, one of the link segments having a pin portion connectable to the dipper stick for pivotal open about its axis and receivable in one of the implement recesses and the other of the link segments having a pin portion operatively connectable to the fluid actuating assembly for pivotal movement about its axis and receivable in the other of the implement recesses, and a latch mounted thereon and cooperable with the one link segment when the segments are disposed in their extended, operative positions for releasably securing the link segments in their extended, operative positions.Type: GrantFiled: January 11, 2002Date of Patent: December 9, 2003Assignee: Rockland, Inc.Inventor: Ashley Heiple
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Patent number: 6655053Abstract: An attachment for a machine having a handle, operable to perform various groundworking functions, generally consisting of an arm member pivotally connectable to the handle of the machine, an extendable strut pivotally connected to the arm member and pivotally connectable to the handle when the arm member is connected to the handle of the machine and at two tools, any selected one of which is detachably mountable on the arm member.Type: GrantFiled: August 25, 1998Date of Patent: December 2, 2003Assignee: Rockland, Inc.Inventor: David C Cummungs
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Patent number: 6490815Abstract: An excavating bucket mountable on the handle of an excavating machine generally consisting of a pair of side walls; an upper wall interconnecting such side walls; a downwardly and forwardly curved rear wall merging into a forwardly curved bottom wall, interconnecting such side walls and providing a transversely disposed cutting edge; at least one ripping tooth mounted on the rear wall, projecting rearwardly and having a curved lower edge merging with the curvature of the rear and bottom walls to provide a substantially continuous curved line; and mounting brackets for detachably connecting to the bucket to the handle of the machine.Type: GrantFiled: February 1, 2000Date of Patent: December 10, 2002Assignee: Rockland, Inc.Inventor: Samuel S. Pratt
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Patent number: 6354790Abstract: An attachment connectable to a boom member of a machine for performing work functions generally consisting of a handle pivotally connectable to a boom member of the machine, a ground engageable arm member pivotally connected to the handle and an extendable strut assembly interconnecting the handle and arm member consisting of a hydraulic cylinder assembly having a cylinder member pivotally connected to the handle and a rod member pivotally connected to the arm member, and including means intercommunicating the base and rod ends of the cylinder member, at least one electrically operable valve disposed in the intercommunicating means and operatively connectable to control means disposed on the machine, selectively operable to open the valve and permit the free flow of fluid between the base and rod ends of the cylinder member, and correspondingly the angular displacement of the arm member relative to the handle upon maneuvering the arm member by an operator of the machine, and to close and preclude the free floType: GrantFiled: April 15, 2000Date of Patent: March 12, 2002Assignee: Rockland, Inc.Inventors: David C. Cummings, Ashley Heiple
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Patent number: 6311417Abstract: A bucket assembly mountable on the handle of an excavator machine and the like generally consisting of a bucket; a pair of ripper teeth mounted on the bucket for pivotal movement about a common axis; abutment surfaces disposed on the bucket for restricting the angular displacement of the ripper teeth between storage positions and operative positions; and devices for retaining the ripper teeth in their stored and operative positions, operable upon causing portions of such ripper teeth to engage the ground and the bucket to pivot in a selected direction relative to the handle, to release the ripper teeth.Type: GrantFiled: January 11, 2000Date of Patent: November 6, 2001Assignee: Rockland, Inc.Inventor: Samuel S. Pratt
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Patent number: 6269561Abstract: A tool assembly mountable on the handle of a material working machine generally including a link mountable on the machine handle for pivotal movement about a first axis and connectable to a fluid actuated assembly connected to the machine handle, operable for displacing the link about such first axis, an implement connected to the link for pivotal movement about a second axis, a first fluid actuated assembly operatively interconnecting the link and the implement, a second fluid actuated assembly operatively interconnecting the link and the implement, a first fluid line intercommunicating a base end of the cylinder of the first fluid actuated assembly and one of the base and rod ends of the cylinder of the second fluid actuated assembly, a second fluid line intercommunicating a rod end of the cylinder of the first fluid actuated assembly and the other of the base and rod ends of the cylinder of the second fluid actuated assembly and a valve disposed in one of the fluid lines, operable to be selectively disposeType: GrantFiled: November 9, 1999Date of Patent: August 7, 2001Assignee: Rockland Inc.Inventor: David C. Cummings
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Patent number: 6269560Abstract: A sweeping assembly for a machine having a handle generally comprising a first implement pivotally connectable to the handle; a strut assembly including a first arm member operatively connectable to the handle, a second arm member and a spring device operatively interconnecting the first and second members, and means for yieldably biasing the second arm member into a predetermined position relative to the first arm member; and a second implement mounted on the second arm member.Type: GrantFiled: October 30, 1998Date of Patent: August 7, 2001Assignee: Rockland Inc.Inventor: Samuel S. Pratt
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Patent number: 6209237Abstract: An assembly mountable on a maneuverable handle of a machine for performing various earth working and material handling functions generally consisting of a first implement pivotally mountable on the handle; a second implement pivotally mountable on the handle, cooperable with the first implement when the implements are mounted on the handle and angularly displaceable between extended, operable positions and a retracted, storage position; a bracket mountable on the handle, an extendable assembly operatively interconnecting the bracket and the second element; and devices disposed on the bracket engageable with the second implement for releaseably retaining the second implement in the storage position.Type: GrantFiled: August 4, 1999Date of Patent: April 3, 2001Assignee: Rockland Inc.Inventors: Ashley Heiple, Don Keller, Samuel S Pratt
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Patent number: 6203267Abstract: A material handling assembly mountable on the handle of a machine generally having a bucket pivotally connectable to the handle and a device for pivoting the bucket about the pivotal connection of the bucket to the handle, an arm member pivotally connectable to the handle and cooperable with the bucket when mounted on the handle for clamping material therebetween, a bracket mountable on the handle having a guideway therein, a strut having a first section pivotally connected to the arm member and a second section received within and displaceable along the guideway, and a device for detachably securing the second section of the strut to the bracket at selected points along the length of the guideway.Type: GrantFiled: August 3, 1999Date of Patent: March 20, 2001Assignee: Rockland Inc.Inventors: Ashley Heiple, Don Keller, Peter Lalos
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Patent number: 6163988Abstract: An assembly connectable to an operating arm of a machine for performing work functions comprising of an implement having a wall provided with an opening therein and a coupler including apparatus for detachably securing the coupler to the operating arm, apparatus insertable into the implement wall opening to an operative position having a selected angular relationship with the implement relative to a given axis and apparatus for securing the insertable apparatus in the operative position.Type: GrantFiled: May 17, 1995Date of Patent: December 26, 2000Assignee: Rockland, Inc.Inventors: Samuel S. Pratt, Dan Shaffer, Tim A. Davis, Ashley Hejple, Peter Lalos
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Patent number: 6120237Abstract: An attachment connectable to a boom member of a machine for performing work functions generally consisting of a handle pivotally connectable to a boom member of the machine, a ground engageable arm member pivotally connected to the handle and an extendable strut assembly interconnecting the handle and arm member consisting of a hydraulic cylinder assembly having a cylinder member pivotally connected to the handle and a rod member pivotally connected to the arm member, and including means intercommunicating the base and rod ends of the cylinder member, at least one electrically operable valve disposed in the intercommunicating means and operatively connectable to control means disposed on the machine, selectively operable to open the valve and permit the free flow of fluid between the base and rod ends of the cylinder member, and correspondingly the angular displacement of the arm member relative to the handle upon maneuvering the arm member by an operator of the machine, and to close and preclude the free floType: GrantFiled: August 25, 1998Date of Patent: September 19, 2000Assignee: Rockland Inc.Inventors: David C. Cummings, Ashley Heiple
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Patent number: 5779430Abstract: A material handling system generally consisting of a base assembly including a support means mountable on the operating arms of a vehicle, an arm member pivotally connected to the support means and movable between open and closed positions relative to the support means for clamping an article mounted on the support means therebetween and means for displacing the clamping member between the open and closed positions; a material container assembly including a support means mountable on the support means of the base assembly, a container mounted on and pivotally connected to the support means of the material container assembly and engageable by the clamping arm member of the base member when the support means of the material container assembly is mounted on the support means of the base assembly; and means operatively interconnecting the clamping arm member of the base assembly and the container of the material container assembly when the material container assembly is mounted on the base assembly for effectingType: GrantFiled: January 22, 1997Date of Patent: July 14, 1998Assignee: Rockland, Inc.Inventor: E. Gary Ball
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Patent number: 5621987Abstract: An assembly for coupling an implement to an operating arm of a machine generally consisting of a first component fixedly mountable on the implement, having an annular gripping surface, and a second component connectable to the operating arm having a pair of gripping members displaceable along a first line of travel into and out of gripping engagement with the gripping surface of the first component, and am actuator for selectively displacing the gripping members into and out of such gripping engagement, the first component having at least one pair of spaced abutment surfaces disposed in opposed relation to the gripping members for restricting displacement of the gripping members relative to the first component along a second line of travel intersecting the first line of travel and at least one abutment surface engageable by the gripping members for restricting displacement of the gripping members along the first line of travel for retaining at least a portion of the gripping members in opposed relation to theType: GrantFiled: June 8, 1995Date of Patent: April 22, 1997Assignee: Rockland, Inc.Inventors: Samuel S. Pratt, Dan Shaffer, Tim A. Davis, Ashley Heiple
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Patent number: 5618157Abstract: An assembly for coupling an implement to an operating arm of a machine generally consisting of a first component including a base section fixedly mounted on a wall portion of the implement and an annular flange section disposed on an upper end of the base section, and a second component connectable to the operating arm, including a base section disposable in coupling relation with the first component, a pair of gripping members disposed on the base section and displacable into and out of gripping engagement with the annular flange section of the first component when the components are disposed in coupling relation and an actuator for selectively displacing the gripping members into and out gripping engagement with the annular flange section of the first component, each of the gripping members having a recess for receiving a segment of the annular flange section therein, having an end wall surface engagable with an annular end wall surface segment of the annular flange section, in gripping engagement, and uppeType: GrantFiled: May 4, 1995Date of Patent: April 8, 1997Assignee: Rockland, Inc.Inventors: Samuel S. Pratt, Dan Shaffer, Tim A. Davis, Ashley Heiple
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Patent number: 5611158Abstract: An assembly for coupling an implement to an operating arm of a machine generally consisting of a first coupling component fixedly mountable on the implement, having a plurality of sets of opposed abutment surfaces spaced circumferentially relative to a given axis thereof and disposed substantially radially relative to such axis, and an axially spaced abutment surface, and a second coupling component disposable in mating relation with the first coupling component, having apparatus for detachably connecting to the operating arm, at least one locking member displaceable between an extended position and an retracted position received between a selected set of the radially disposed, opposed abutment surfaces and the axially spaced abutment surface, when the components are disposed in mating relation, and apparatus for selectively displacing the locking member into the extended and retracted positions.Type: GrantFiled: May 17, 1995Date of Patent: March 18, 1997Assignee: Rockland, Inc.Inventors: Samuel S. Pratt, Dan Shaffer, Tim A. Davis, Ashley Heiple, Peter N. Lalos