Patents by Inventor Hannu Oja
Hannu Oja has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9845227Abstract: A mobile crane including a frame which, in its upper part, is provided with a main support structure and which, in its lower part and on opposite sides of the lower part of the frame, is provided with lower beam structures transverse to the main support structure, and upright legs between the main support structure and the lower beam structures; at least one wheel or wheel arrangement at both ends of the lower beam structures, i.e. in each lower corner of the crane; a trolley arranged to move along the main support structure and provided with a hoisting member; at least one hoisting mechanism; at least one rope drum arranged to be run by the hoisting mechanism; and at least one rope arranged from the rope drum of the hoisting mechanism to the hoisting member for running it, the rope drum being further provided with at least one hoisting rope connected to at least one counterweight.Type: GrantFiled: June 26, 2014Date of Patent: December 19, 2017Assignee: KONECRANES GLOBAL CORPORATIONInventors: Esa Ojapalo, Juha Santala, Hannu Oja, Silvo Mikkonen
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Publication number: 20170015532Abstract: A moving crane including a frame which, in its upper part, is provided with a main support structure and which, in its lower part and on opposite sides of the lower part of the frame, is provided with lower beam structures transverse to the main support structure; at least one wheel or wheel arrangement at both ends of the lower beam structures, i.e. in each lower corner of the crane; a trolley arranged to move along the main support structure and provided with a hoisting member; a hoisting mechanism for driving the hoisting member of the trolley, and a cab for the crane operator, whereby the cab is placed in connection with one lower beam structure and the hoisting mechanism in connection with the other lower beam structure.Type: ApplicationFiled: April 2, 2015Publication date: January 19, 2017Applicant: Konecranes Global CorporationInventors: Esa OJAPALO, Juha SANTALA, Hannu OJA
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Publication number: 20160137464Abstract: A mobile crane including a frame which, in its upper part, is provided with a main support structure and which, in its lower part and on opposite sides of the lower part of the frame, is provided with lower beam structures transverse to the main support structure, and upright legs between the main support structure and the lower beam structures; at least one wheel or wheel arrangement at both ends of the lower beam structures, i.e. in each lower corner of the crane; a trolley arranged to move along the main support structure and provided with a hoisting member; at least one hoisting mechanism; at least one rope drum arranged to be run by the hoisting mechanism; and at least one rope arranged from the rope drum of the hoisting mechanism to the hoisting member for running it, the rope drum being further provided with at least one hoisting rope connected to at least one counterweight.Type: ApplicationFiled: June 24, 2014Publication date: May 19, 2016Applicant: Konecranes Global CorporationInventors: Esa OJAPALO, Juha SANTALA, Hannu OJA, Silvo MIKKONEN
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Patent number: 7743870Abstract: The invention relates to a crane comprising bogie structures (3) in the corners of the crane, a tandem drive wheel and idle wheel (8, 9) arranged in each bogie structure and provided to turn in the bogie structure offset from their vertical axes, and a turning device arrangement (15, 16) provided between each wheel pair for turning the wheel pair in cooperation to a selected position, the turning device arrangement comprising at least two turning rods (15, 16) connecting the wheels, which turning rods are connected to counterparts (17, 18, 19, 20) provided for each turning position or function in load-bearing structures (10, 11) of the wheels (8, 9) and turning along therewith, whereby at one wheel the position of the turning rods or the counterparts in the load-bearing structure is slidable around the load-bearing structure, yet the one of the counterparts or turning rods that corresponds to the selected turning position may be locked with a locking mechanism (21, 22, 23, 24) immobile with respect to the loaType: GrantFiled: September 27, 2006Date of Patent: June 29, 2010Assignee: KCI Konecranes PLCInventor: Hannu Oja
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Publication number: 20070108150Abstract: The invention relates to a crane comprising bogie structures (3) in the corners of the crane, a tandem drive wheel and idle wheel (8, 9) arranged in each bogie structure and provided to turn in the bogie structure offset from their vertical axes, and a turning device arrangement (15, 16) provided between each wheel pair for turning the wheel pair in cooperation to a selected position, the turning device arrangement comprising at least two turning rods (15, 16) connecting the wheels, which turning rods are connected to counterparts (17, 18, 19, 20) provided for each turning position or function in load-bearing structures (10, 11) of the wheels (8, 9) and turning along therewith, whereby at one wheel the position of the turning rods or the counterparts in the load-bearing structure is slidable around the load-bearing structure, yet the one of the counterparts or turning rods that corresponds to the selected turning position may be locked with a locking mechanism (21, 22, 23, 24) immobile with respect to the loaType: ApplicationFiled: September 27, 2006Publication date: May 17, 2007Applicant: KCI KONECRANES PLCInventor: Hannu Oja
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Publication number: 20040094497Abstract: An arrangement for placing auxiliary ropes of hoist gears in a crane, the crane comprising a trolley (1); hoist gears (2) with hoist drums (3) placed in the trolley (1); hoisting ropes (4) arranged on the hoist drums (3); a loading member (7) suspended from the trolley (1) on the hoisting ropes (4) and having sheaves (8) for the hoisting ropes, through which the hoisting ropes pass back to the trolley; four auxiliary gears (10) placed in the trolley (1) for controlling swinging and skewing of the loading member (7) and the load attached thereto; auxiliary ropes (12) arranged on rope drums (11) of the auxiliary gears (10); and sheaves (13) for the auxiliary ropes in the loading member (7), through which sheaves the auxiliary ropes (12) passing diagonally from the rope drums (11) of the auxiliary gears (10) are guided to spaces (14) in the hoist drums reserved for the auxiliary ropes (12).Type: ApplicationFiled: May 14, 2003Publication date: May 20, 2004Inventors: Hannu Oja, Jukka Toivonen, Soini Sderena, Hannu Rossi
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Patent number: 5841256Abstract: The invention relates to an arrangement for controlling a loading element of a crane, the loading element of the crane including an actuator and a current supply cable for supplying current to the loading element. The arrangement for controlling the loading element including a control signal generator/transmitter for generating and transmitting control signals for controlling the actuator of the loading element, a control signal receiver for receiving the control signals in the loading element and a transmission path for transmitting the control signals from the control signal generator/transmitter to the control signal receiver. The transmission path for transmitting the control signals is provided in the current supply cable of the loading element.Type: GrantFiled: May 15, 1997Date of Patent: November 24, 1998Assignee: KCI Konecranes International CorporationInventors: Hannu Oja, Matti Kemppainen
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Patent number: D408609Type: GrantFiled: July 7, 1997Date of Patent: April 20, 1999Assignee: KCI Kone Cranes Internatinal OyInventors: Hannu Oja, Veikko Saarinen
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Patent number: D764737Type: GrantFiled: October 3, 2014Date of Patent: August 23, 2016Assignee: Konecranes Global CorporationInventors: Esa Ojapalo, Juha Santala, Hannu Oja