Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Railroad spike remover
A portable railroad spike remover comprises an extractor that is shaped to engage and secure a railroad spike previously installed into a rail tie. A drive shaft is connected to the extractor such that as the drive shaft is rotated, the extractor is vertically raised and lowered within a main column. The extractor may have an opening extending through at least one side to engage the railroad spike.
Railroad spike remover
A portable railroad spike remover comprises an extractor that is shaped to engage and secure a railroad spike previously installed into a rail tie. A drive shaft is connected to the extractor such that as the drive shaft is rotated, the extractor is vertically raised and lowered within a main column. The extractor may have an opening extending through at least one side to engage the railroad spike.
Railroad spike remover
BENJAMIN TIMOTHY J (Autor:in) / ALONZO KRISTOPHER ANDRE (Autor:in) / ATIQULLAH MIR MOHAMED (Autor:in) / BARNBY TREVOR LEE-MICHAEL (Autor:in) / GANTT SAMUEL HORACE (Autor:in) / HAWKINS JONATHAN (Autor:in) / HOOD ALEXANDER (Autor:in) / LAWLER TIMOTHY K (Autor:in) / RUHALA LAURA ANN (Autor:in) / SCOTT DANIEL RICHARD (Autor:in)
18.07.2023
Patent
Elektronische Ressource
Englisch