Actuating arrangement

Details Actuating arrangement Actuating arrangement

1998-12-17

2001-01-09

Hannon, Thomas R. (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

C074S473210, C074S335000

Reexamination Certificate

active

06170352

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to automated gear boxes, and more particularly, to automated gear boxes operated by means of actuators.
2. Description of Related Art
Automated gearboxes in which a conventional manual gearbox is operated by means of actuators and connected to the engine of a motor vehicle by way of an automatic clutch are becoming increasingly important. They are less expensive than automatic gearboxes which are equipped with hydrokinetic torque converters and operate with planet gears, and the automated gearboxes operate with a higher degree of efficiency.
SUMMARY OF THE INVENTION
An object of the invention is to provide an operating device for an automated gearbox which renders it possible to achieve a high degree of operating reliability and can operate with simple actuators.
This object is accomplished with the features of the claim
1
or
2
. With the actuating device according to the invention, a blocking of the mobility of the gear shaft is achieved such that, in spite of the presence of at least three shift slots, it is possible to use stepless selector actuator the drive of which can be reversed in two opposing directions and the movement amplitude of which is defined not by a complex stepped control but rather by blocking the further mobility of the gear shaft by means of the blocking device or the end of the selector slot.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will now be described in greater detail with reference to the accompanying schematic drawings.
There are shown in:
FIG. 1
a shift gate for a gearbox having three shift slots,
FIG. 2
a plan view of the elements of a blocking device provided in the operating device for a gearbox with three shift slots,
FIG. 3
a side elevational view of the blocking device in
FIG. 1
with further elements of the operating device,
FIG. 4
the shift gate of a gearbox with four shift slots,
FIG. 5
a plan view of a blocking device contained in the operating device for the gearbox with four slots, and
FIG. 6
a side elevational view of the device which is shown in FIG.
5
.


REFERENCES:
patent: 1250355 (1917-12-01), Robinson et al.
patent: 2684600 (1954-07-01), Naumann
patent: 5060538 (1991-10-01), Schnell et al.
patent: 4-138924 (1992-05-01), None

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