US 12,325,388 B2
Trailer jack
Christian Fogg, Columbia, TN (US); Ty Rager, Brentwood, TN (US); and Nick Ni, Jinjua (CN)
Assigned to Tractor Supply Company, Brentwood, TN (US)
Filed by Tractor Supply Co. of Texas, LP, Brentwood, TN (US)
Filed on Nov. 17, 2022, as Appl. No. 18/056,292.
Prior Publication US 2024/0166170 A1, May 23, 2024
Int. Cl. B60D 1/66 (2006.01); B60S 9/00 (2006.01); B60S 9/02 (2006.01); B60S 9/06 (2006.01); B60S 9/08 (2006.01); E04H 12/22 (2006.01); B60S 9/22 (2006.01)
CPC B60S 9/06 (2013.01) [B60D 1/66 (2013.01); E04H 12/2261 (2013.01); B60S 9/08 (2013.01); B60S 9/22 (2013.01); E04H 12/2284 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A trailer jack comprising:
a vertically oriented vertically extendible jack; and
a mounting flange located on the extendible jack, the mounting flange including three bolt patterns, each of the three bolt patterns including a forward slot and two rear slots defined through the mounting flange, each slot including a longitudinal axis, the longitudinal axes of the slots of any single bolt pattern intersecting at a bolt pattern axis that is closer to the forward slot than the rear slots, the longitudinal axes of the forward slots intersecting at a central axis, the central axis being offset from each of the three bolt pattern axes, orientation of the longitudinal axis of each rear slot of the rear slots of any of the bolt patterns being non-radial with regard to the central axis, orientation of the longitudinal axis of the forward slot of any of the bolt patterns being radial with regard to the central axis.