US Patent No: 8,033,528 - Analytics, PDF, Full Text and PAIR Access

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Lift assembly, system, and method

ALSO PUBLISHED AS: 20100301292

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A lift assembly system and method can include a substantially rectangular tube, a motor operably connected to first and second traction drives and a rotatable drum and structurally connected to one end of the tube, a head block fixed to the opposite end of the tube, and a plurality of loft blocks positionable at an infinite number of locations within the tube. An elongate member attached on one end to the drum can be routed through a generally horizontal path from the drum to the first and second traction drives, the head block, and the loft blocks, and then through a generally vertical path from the loft block to an attached article. The elongate member can be wound about the drum to raise the article, and unwound from the drum to lower the article. The system can further include a load-side braking mechanism. The tube can include a compressible material adapted to absorb at least a portion of a horizontal load placed on the lift system.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ELECTRONIC THEATRE CONTROLS, INC.MIDDLETON, WI51

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoffend,, III Donald A - 11 2

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ELECTRONIC THEATRE CONTROLS, INC. (4)
6,988,716 Modular lift assembly 17 2002
6,889,958 Brake for hoist assembly 28 2003
6,997,442 Safety sensor for a lift assembly 16 2004
2009/0127,527 LIFT ASSEMBLY SYSTEMS AND METHODS 3 2008
 
HOFFEND & SONS, INC. (3)
4,303,237 Arrangement for supporting theatrical equipment 10 1980
2004/0098,944 Batten for lift assembly 11 2003
2004/0099,852 Modular lift assembly 12 2003
 
J.R. CLANCY, INC. (2)
2006/0163,548 Theater Rigging System 9 2005
2009/0140,221 Theater Rigging System 6 2009
 
KELTIC FINANCIAL PARTNERS, LP (2)
6,634,622 Modular lift assembly 18 2000
6,691,986 Modular lift assembly 16 2002
 
PRODUCTION RESOURCE GROUP, L.L.C. (2)
5,920,476 Computer controlled movement of stage effects and stage installation employing same 35 1996
6,385,493 Computer controlled winch assembly for stage 9 2000
 
TIFFIN SCENIC STUDIOS, INC. (2)
2006/0284,151 Hoist Assembly 7 2006
7,364,136 Hoist assembly 15 2006
 
AKAMAI TECHNOLOGIES, INC. (1)
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 26 2009
 
DAKTRONICS HOIST, INC. (1)
2005/0247,919 Intermediate brake for modular lift assembly 10 2005
 
DEMAG CRANES & COMPONENTS GMBH (1)
5,829,737 Rope guide for a winch having two interconnected drivable rope guides 7 1997
 
DISNEY ENTERPRISES, INC. (1)
5,161,104 Amusement ride having pivotable ingress-egress bridges 10 1991
 
Dynacon, Inc. (1)
6,443,431 Load compensated right angle diamond screw levelwind 19 2000
 
Feller Precision, Inc. (1)
5,106,057 Stage set lift apparatus 17 1990
 
GEORGE & GOLDBERG DESIGN ASSOCIATES (1)
6,209,852 Removable chain hoist position encoder assembly 12 1999
 
HARKEN, INC. (1)
5,829,736 Winch having drum of two diameters for alternative engagement by a line at two speeds 10 1995
 
INTERNATIONAL THEATRE CONCEPTS, A CORP. OF MN (1)
4,512,117 Modular proscenium theatre 23 1982
 
Kone Osakeyhito (1)
5,280,880 Unitary hoist drum for hoist ropes and an electric cable 7 1991
 
LEWMAR LIMITED (1)
6,019,353 Winch having a multiple diameter drum 12 1998
 
Mammoet Holding G.V. (1)
6,619,624 Hoisting mechanism 4 2002
 
Navio, Inc. (1)
6,085,826 Runner with line tensioning capabilities, guide rails for electrically-opened and closed curtains, and guide rails for manually-opened and closed curtains 14 1998
 
OLAF SOOT DESIGN, LLC (1)
6,520,485 Winch system for raising and lowering theatre scenery 27 2000
 
REEL POWER LICENSING CORP. (1)
5,950,953 Reel with adjustable fleet angle 11 1998
 
ROTZLER GMBH & CO. 7853 STEINEN (DE), WEST (1)
4,575,050 Mobile cable winch 13 1982
 
SILVERI VINCE (1)
4,606,527 Theatre scenery hoisting mechanism 21 1984
 
STANLEY WORKS, THE (1)
7,185,774 Methods and apparatus for manipulation of heavy payloads with intelligent assist devices 10 2003
 
TECHNOGATE CO., LTD. (1)
6,827,121 Assembly power curtain 6 2003
 
WALT DISNEY COMPANY, THE (1)
5,021,954 System and method of providing passenger ingress and egress in an amusement ride 9 1988
 
Other [Check patent profile for assignment information] (7)
4,269,380 Flat type cable suspension structure 9 1978
4,767,073 Cable spooling system 53 1986
5,758,867 Lifting device for the controlled vertical transfer of objects 5 1997
5,947,451 Marine winch drum 7 1997
7,360,576 Electric transmission module for module for window curtains having winding wheel 8 2004
7,234,685 Apparatus for raising and lowering a banner 10 2004
7,311,297 Electric powered lift with load control 10 2007

Patent Citation Ranking

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Apr 11, 2015
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 11, 2019
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 11, 2023
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00