US 11,746,474 B2
Spike driver cab enclosure
Justin J. Pipol, Hartland, WI (US); and Daniel Henke, Brown Deer, WI (US)
Assigned to S.W.N.G., Inc., Franklin Park, IL (US)
Filed by S.W.N.G., Inc., Franklin Park, IL (US)
Filed on Feb. 20, 2021, as Appl. No. 17/180,767.
Application 17/180,767 is a continuation of application No. 16/001,217, filed on Jun. 6, 2018, granted, now 10,927,509.
Claims priority of provisional application 62/516,197, filed on Jun. 7, 2017.
Prior Publication US 2021/0172125 A1, Jun. 10, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. E01B 29/26 (2006.01)
CPC E01B 29/26 (2013.01) 22 Claims
OG exemplary drawing
 
1. A panel assembly for a cab enclosure of a railroad spike driving machine, the cab enclosure configured to shield an operator of the machine, the panel assembly comprising:
a rectangular frame for attachment to a front side of the cab enclosure;
a transparent, rigid panel having a rectangular perimeter fastened to an operator side of the frame, the panel comprising
first and second multi-sided apertures positioned opposite one another for respective first and second spike trays of the machine to extend therethrough,
first and second reinforced apertures positioned at a bottom of the respective first and second multi-sided apertures, the first and second reinforced apertures configured to receive therethrough respective first and second guide rods of the respective first and second spike trays, the first and second reinforced apertures configured to constrain movement of the respective first and second guide rods in a plane that is coincident with the panel while enabling pivotal movement of the respective first and second guide rods, and
an inset panel disposed between the first and second multi-sided apertures.