Patents by Inventor Frank R. Hrovat
Frank R. Hrovat 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: 7021610Abstract: A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about the plate. Each of the lock assemblies being in position within a spring cavity of one of the coil springs to allow additional springs to be provided on the spring device. In addition, the lock assemblies are dimensioned so that the coil spring is retained in a prestressed condition.Type: GrantFiled: September 30, 2002Date of Patent: April 4, 2006Assignee: Barnes Group Inc.Inventors: Philip G. Costello, Frank R. Hrovat
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Patent number: 6966549Abstract: A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about the plate. Each of the lock assemblies being in position within a spring cavity of one of the coil springs to allow additional springs to be provided on the spring device. In addition, the lock assemblies are dimensioned so that the coil spring is retained in a prestressed condition.Type: GrantFiled: May 26, 2004Date of Patent: November 22, 2005Assignee: Barnes Group, Inc.Inventors: Philip G. Costello, Frank R. Hrovat
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Patent number: 6964412Abstract: A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about the plate. Each of the lock assemblies being in position within a spring cavity of one of the coil springs to allow additional springs to be provided on the spring device. In addition, the lock assemblies are dimensioned so that the coil spring is retained in a prestressed condition.Type: GrantFiled: May 26, 2004Date of Patent: November 15, 2005Assignee: Barnes Group, Inc.Inventors: Philip G. Costello, Frank R. Hrovat
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Publication number: 20040217528Abstract: A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about the plate. Each of the lock assemblies being in position within a spring cavity of one of the coil springs to allow additional springs to be provided on the spring device. In addition, the lock assemblies are dimensioned so that the coil spring is retained in a prestressed condition.Type: ApplicationFiled: May 26, 2004Publication date: November 4, 2004Applicant: Barnes Group, Inc.Inventors: Philip G. Costello, Frank R. Hrovat
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Publication number: 20040212131Abstract: A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about the plate. Each of the lock assemblies being in position within a spring cavity of one of the coil springs to allow additional springs to be provided on the spring device. In addition, the lock assemblies are dimensioned so that the coil spring is retained in a prestressed condition.Type: ApplicationFiled: May 26, 2004Publication date: October 28, 2004Applicant: Barnes Group, Inc.Inventors: Philip G. Costello, Frank R. Hrovat
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Publication number: 20040214475Abstract: A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about the plate. Each of the lock assemblies being in position within a spring cavity of one of the coil springs to allow additional springs to be provided on the spring device. In addition, the lock assemblies are dimensioned so that the coil spring is retained in a prestressed condition.Type: ApplicationFiled: May 26, 2004Publication date: October 28, 2004Applicant: Barnes Group, Inc.Inventors: Philip G. Costello, Frank R. Hrovat
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Publication number: 20040104523Abstract: A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about the plate. Each of the lock assemblies being in position within a spring cavity of one of the coil springs to allow additional springs to be provided on the spring device. In addition, the lock assemblies are dimensioned so that the coil spring is retained in a prestressed condition.Type: ApplicationFiled: September 30, 2002Publication date: June 3, 2004Applicant: Barnes Group, Inc., a corp. of DelawareInventors: Philip G. Costello, Frank R. Hrovat
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Patent number: 6575439Abstract: A spring device comprising a pair of spaced-apart first and second annular support plates defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed between said annular plates; and, a plurality of guide assemblies located at circumferentially spaced positions around said ring, each of the guide assemblies including a first tab extending from one of the plates, a second top extending from the other of the plates to form a generally sliding contact between the first and second tabs as the plates move vertically to compress and/or release the coil springs wherein the first tab has a guide slot extending in a direction perpendicular to the plates and the second tab carries an assembled elongated guide member extending through the slot to guide vertical movement between the plates.Type: GrantFiled: February 21, 2002Date of Patent: June 10, 2003Assignee: Barnes Group Inc.Inventors: Philip G. Costello, Frank R. Hrovat