US 12,280,994 B2
Electrical insulation liner for aerial lift platform door
Austin Graham, Kansas City, MO (US); and Aaron Servais, Gower, MO (US)
Assigned to Altec Industries, Inc., Birmingham, AL (US)
Filed by Altec Industries, Inc., Birmingham, AL (US)
Filed on May 15, 2024, as Appl. No. 18/664,965.
Application 18/664,965 is a continuation of application No. 17/959,770, filed on Oct. 4, 2022.
Prior Publication US 2024/0294368 A1, Sep. 5, 2024
Int. Cl. B66F 17/00 (2006.01); H01B 3/44 (2006.01)
CPC B66F 17/006 (2013.01) [H01B 3/441 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An aerial platform assembly comprising:
a utility platform including a sidewall with an opening disposed therein;
a platform door disposed in the opening of the sidewall of the utility platform, the platform door comprising:
a hinge disposed at a side of the platform door such that the platform door is hingedly anchored with respect to the sidewall;
one or more liner connection points; and
a plurality of layers including at least an electrically insulating inner layer disposed on an internal surface of the platform door and an outer layer disposed on an external surface of the platform door; and
an electrically insulating liner disposed in the utility platform and having a complementary shape to the utility platform, the electrically insulating liner configured to attach to the one or more liner connection points of the platform door,
wherein the electrically insulating liner is bonded to the electrically insulating inner layer of the platform door at the hinge and the one or more liner connection points such that a continuous insulating liner is formed when the platform door is in a closed position, and
wherein the platform door is electrically insulated via direct contact with the electrically insulating liner.