The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 1984
Filed:
Nov. 17, 1981
Rudolf Steinecke, Weinstadt, DE;
Karl-Heinz Hensche, Leutenbach, DE;
Daimler-Benz AG, , DE;
Abstract
A hydraulic tilting mechanism for a driver's cab of a vehicle, with the mechanism including a double-acting working cylinder having accommodated therein a displaceable piston. Ducts or lines are provided for connecting the working cylinder with a supply tank or source of hydraulic fluid, with a pump being arranged in one of the ducts or lines and a joint control valve for controlling a movement of the piston being arranged in the ducts or lines. A closable duct by-passes the working cylinder and branches off from a three-way valve having two switch positions. The three-way valve is located in the duct or line leading to a first cylinder space which causes a tilting of the driver's cab. The three-way valve is adapted to be electromagnetically switched by way of a key. The closable duct or by-pass line discharges into a connecting duct or line arranged between the control valve and a second cylinder space which is adapted to cause a return of the driver's cab. A non-return or check valve is disposed between the three-way valve and the connecting duct into which the by-pass duct or line discharges. In one position of the three-way valve, the duct or line to the first cylinder space is opened and the by-pass duct or line is blocked and, in a second position, the duct or line to the first cylinder space is blocked and the by-pass duct or line is shut so that by means of the by-pass line or duct the hydraulic fluid is fed by the pump back to the storage tank.