William A Horwath
Engineers at Barbara Ln, Tinley Park, IL

2012019, Aug 2, 2012

Oct 3, 2011

13/251575

William A. Horwath - Tinley Park IL, US
Thomas J. Fairbairn - Dyer IN, US
Edwin D. Slota - Homer-Glen IL, US

B66F 7/14, B23P 11/00, B66F 7/28

254 92, 254 98, 29428

A lifting bracket assembly is disclosed. The lifting bracket assembly includes a motor, a pair of gear heads mechanically coupled to the motor such that each of the gear heads is coupled to a jack screw connector, a first and second jack screw, wherein each of the jack screws is coupled to one of the jack screw connectors and one of the gear heads, a first lifting bracket rotatably coupled to the first jack screw, a second lifting bracket rotatably coupled to the second jack screw, wherein the first and second jacks screws are different, a first guide tube fixedly coupled at a first end to the first lifting bracket and coupled to a first rail beam at a second end, and a second guide tube fixedly coupled at a first end to the second lifting bracket and coupled to a second rail beam at a second end.

2009017, Jul 2, 2009

Dec 29, 2008

12/345151

William Allen Horwath - Tinley Park IL, US
Thomas John Fairbairn - Dyer IN, US
Edwin D. Slota - Lockport IL, US

Whiting Corporation - Monee IL

F16D 3/10

464136

A jack screw connector includes a first clevis including a pair of first clevis legs, an eye block including a first bore and a second bore such that the first and second bores are formed substantially perpendicular to each other, a first pin configured to be supported within the first bore and rotably carried by the pair of first clevis legs when a first end of the eye block is carried therebetween, a second clevis including a pair of second clevis legs sized to engage a second end of the eye block, and a second pin configured to be supported within the second bore and rotably carried by the pair of second clevis legs when aligned therewith.