Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
  • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
  • B60R25/08—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on brakes or brake systems
  • B60R25/086—Locking of hand-actuated control actuating means

Definitions

• the invention relates to a device for blocking the hand brake lever of cars, preferably for the use in passenger cars.
• the aim of the proposed device is to prevent the theft of cars.
• a drawback of the known devices preventing car thefts based on electric operational principles lies in that installation, maintenance, in several cases engagement and disengagement thereof require special skill and in addition they modify the electric system of the cars by increasing possibilities of defects. Some devices may disturb normal operation of the motor, make defect tracing more difficult. In addition, further common disadvantageous feature of the known devices lies in that they are rather expensive, mount ing is also very costconsuming.
• the device according to the invention By using the device according to the invention the deficiencies of known solutions serving for similar purposes can be well eliminated.
• the device proposed is inexpensive, installation does not require special skill or tools, every driver can install it himself without difficulties. In spite of its simple structure it is suitable to prevent efficiently car thefts.
• the aim set by the invention is to develop a device which keeps the hand brake in a retracted state for non-competent persons, while the release of the hand brake could be made possible at the intervention of a person acquainted with the mode of releasing.
• the aim set according to the invention is achieved in such a manner that the press button belonging to the ratchet serving for the engagement and disengagement of the hand brake lever is provided with covering elements while an opening member is placed between the said elements by the aid of which the press button releasing the ratchet of the hand brake can be operated, if the lock belonging to the device acciording to the invention is set into the proper position.
• the opening member can be displaced axially only in this case.
• the lock blocking and releasing the motion of the opening member is formed expediently as a unit containing a plurality of clock-type dials and the free axial displacement of said opening member may take place with a certain combinations of the numbers within said clock-type dials only.
• the essence of the invention lies in that the device comprises elements covering the free end and at least a portion of the hand brake lever, whereby one of the elements forms a displaceably mounted opening member fitted to the press-button of the engaging organ of the hand brake lever, further there is a locking device preventing the displacement of said opening member.
• At least a part of the hand brake lever is covered by a casing in which the opening member can be operated in an axial direction.
• At least two rotatable rings belonging to the locking device are used which enclose partly the opening member; grooves are formed in the inner side of the rings, while pins connected to the opening member are provided fitting into the grooves in the proper position of each one of the rings.
• a further preferred embodiment may be obtained, if the casing is formed with a neck portion and the opening member is displaceably mounted therein, while the pins belonging to the locking device extend over the longitudinal openings of the neck portion.
• a very simple structural arrangement may be obtained if the rings belonging to the locking device are rotatably mounted between the end of the casing and the outer flange of the neck.
• the locking device is expediently shaped, so that in each one of the rings belonging thereto a cavity with a staggered cross-section should be formed while the grooves should open in to the cavity-parts with the larger diameter.
• the outer part of the rings belonging to the locking device are provided with markings preferably with numbers or letters referring to the position of the grooves.
• Figure 1 is the longitudinal sectional view of the device according to the invention and Figure 2 is the side view of the same embodiment corresponding to Figure 1.
• the casing 1 may be fitted on the hand brake lever not illustrated on the drawing.
• the casing 1 can be fixed to the hand brake lever in different manners. With the embodiment shown here two fixing elements 5 are used, these are grub screws with an internal key-hole.
• the neck 3 is fitted into the upper part of the casing 1, the outer flange of the neck is pressing the rings of the locking device 2 to the front part of the casing 1.
• the cavity within the neck 3 is divided into two parts by the shoulder facing inwards.
• the opening member 6 is also mounted in the neck 3, the said member is staggered along its length, i, e. said opening member consists of two cylindrical sections with different diameters.
• the cylindrical section with the larger diameter represents the part which is fitted to the press-button 11 of the hand brake lever not illustrated here.
• the shoulder of the opening member 6 leans on the inner flange of the neck 3.
• the section of the opening member 6 with the smaller diameter extends over the cavity defined by the inner flange, while it extends with the extension at its free end through the central bore of the head 4.
• Said extension is fixing the head 4 to the opening member 6 serving as a rivet.
• Within the cavity of the head 4 the spring 7 is disposed enclosing the section with smaller diameter of the opening member 6. The spring 7 abuts on the one hand against the end plate of the head 4 and the flange of the neck 3 facing inwards on the other.
• Pins 8 are fixed on the part of the opening member 6 with larger diameter, said pins extend radially through the longitudinal openings 10 of the neck, said openings being disposed in the direction of the generatrix of the neck.
• a plurality of longitudinal openings 10 are formed in the neck 3.
• the numbered rings of the locking device 2 are enclosing a part of the section of the neck 3 intruding into the casing 1, with the embodiment shown on the drawing three rings are mounted. These rings are provided with a ball-guide known per se,supported with a spring, in relation to the cylindrical mantle of the neck 3.
• cavities with a staggered cross-section are formed, while a groove 9 as the axial continuation of the staggered cavity with the larger diameter is shaped within the rings.
• the casing 1 is to be fixed on the hand brake lever of the car by means of the fixing elements 5. Mounting is to be performed so that the free end of the opening member 6 should just abut against - eventually fit in leaving a slight clearance - the press button 11 of the ratchet belonging to the hand brake lever in its free position.
• the rings of the locking device are to be turned into the position different from that allowing the opening thereof.
• the pin 8 belonging to the relating ring is placed on the section with the larger diameter of the inner staggered cavities of the ring.
• Axial displacement of the opening member 6 is impossible in the outlined situation, as an axial displacement of the pins 8 is prevented by the shoulders of the staggered cavities of the rings belonging to the locking device 2. As a consequence, release of the hand brake is impossible inspite of the pressure exerted onto the head 4. Axial displacement of the opening member 6 - and thus the possibility of release of the hand brake - is possible only, if the groove 9 belonging to each of the rings of the locking device 2 are in line, as it is shown on Figure 1. In this position namely the opening member 6 is displacable under the pressure having been exerted on the head 4, as axial displacement of the pins 8 is not prevented. In course of the axial displacement the opening member 6 is pressing the press-button 11 of the rafchet assuring the fixed state of the hand brake and release of the hand brake is possible after the displacement, of the press-button only.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Mechanical Control Devices (AREA)
• Lock And Its Accessories (AREA)
• Braking Elements And Transmission Devices (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=10956949

Family Applications (1)

Country Status (6)

Families Citing this family (8)

Family Cites Families (1)

• 1982
  • 1982-06-16 HU HU821944A patent/HU186077B/hu not_active IP Right Cessation
  • 1982-12-06 IT IT83493/82A patent/IT1158621B/it active
• 1983
  • 1983-06-08 WO PCT/HU1983/000031 patent/WO1984000020A1/en unknown
  • 1983-06-08 EP EP83901726A patent/EP0112341A1/de not_active Withdrawn
  • 1983-06-10 DD DD83251910A patent/DD230842A1/de unknown
  • 1983-06-16 PL PL24256283A patent/PL242562A1/xx unknown

Non-Patent Citations (1)

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