Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A pair of jacks for lifting doors to facilitate adding hardware to the doors, each jack comprising: a clamp for clamping one end of a door; a swivel connected to the clamp via a cylindrical member; a telescoping shaft attached to the rear end of the cylindrical member; a crank arm attached to the top of the telescopic shaft for selectively adjusting the height of the telescoping shaft; and a base including at least four wheels for moving the jack along the floor, wherein the bottom of the shaft is attached to the base.
A pair of jacks for lifting doors to facilitate adding hardware to the doors, each jack comprising: a clamp for clamping one end of a door; a swivel connected to the clamp via a cylindrical member; a telescoping shaft attached to the rear end of the cylindrical member; a crank arm attached to the top of the telescopic shaft for selectively adjusting the height of the telescoping shaft; and a base including at least four wheels for moving the jack along the floor, wherein the bottom of the shaft is attached to the base.
DOOR ROTATING JACK
SAAVEDRA JHACSON (Autor:in)
11.05.2023
Patent
Elektronische Ressource
Englisch
IPC:
B66F
HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
,
Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last
/
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
Online Contents | 1994
Ring lock scaffold jack rotating tool and rotating method
| Europäisches Patentamt | 2020