Installation at locking mechanisms, especially in motor vehicles, operating with vacuum

Claim 2

A locking installation operable by vacuum for the central locking and unlocking and/or actuation of various locking mechanisms arranged in a vehicle, especially a motor vehicle, comprising: a continuous source of vacuum, servomotor means actuated by the vacuum operatively associated with each of said locking mechanisms for effecting locking and unlocking thereof; a first control means coordinated to the driver door of the vehicle for effecting the central locking and unlocking of the locking mechanisms by locking and unlocking, respectively, the driver door; first shifting valve means operatively associated with the first control means and under vacuum via conduit means in communication with said vacuum source; second control means coordinated to the codriver door of the vehicle for effecting the central locking and unlocking at a location within the passenger space that is accessible to the driver; second shifting valve means operatively associated with said second control means and under vacuum via said conduiT means in communication with said vacuum source; said first and second control means each including lock cylinder means adapted to be rotated for locking or unlocking the driver and the codriver door, respectively, and for controlling the stroke movement of the first and second shifting valve means, respectively; said lock cylinder means each having downwardly projecting entrainment members engaging therebetween an end of a locking rod provided on each of said first and second valve shifting means, respectively; third control means coordinated to each door of the vehicle for mechanically locking or unlocking each door from the inside of the vehicle in the centrally unlocked or locked condition respectively; said third control means including actuating knobs associated with the locking mechanism of each door; and said first and second shifting valve means being operatively connected with the locking cylinder means or the actuating knob of the driver and codriver doors, respectively, whereby, depending on the actuation direction thereof, central locking or unlocking of all locking mechanisms is effected.

Claim 3

An installation according to claim 1, wherein the locking mechanism at the driver door and codriver door each include bellcrank means pivotally mounted at the lock housing with one leg of the bellcrank means pivotally connected with the respective locking rod and another leg of the bellcrank means pivotally connected to rod means of the respective actuating knob.

Claim 4

An installation according to claim 2, wherein each rod means is operatively connected with intermediate rod means which, in turn, is operatively associated with a U-shaped entrainment plate means, and an actuating rod of the respective servomotor means also being operatively associated with the U-shaped entrainment plate means.

Claim 5

An installation operable by vacuum for the central locking and unlocking and/or actuation of various locking mechanisms arranged in a vehicle, especially a motor vehicle, comprising: a continuous source of vacuum, servomotor means actuated by the vacuum operatively associated with each of said locking mechanisms for effecting locking and unlocking thereof; a first control means coordinated to the driver door of the vehicle for effecting the central locking and unlocking of the locking mechanisms by locking and unlocking, respectively, the driver door; first shifting valve means operatively associated with the first control means; second control means coordinated to the codriver door of the vehicle for effecting the central locking and unlocking at a location within the passenger space that is accessible to the driver; second shifting valve means operatively associated with said second control means; both the first and second shifting valve means including two pistons connected with a locking rod having a free end operatively coordinated to the respective first and second control means; a conduit communicating with the first and second shifting valve means and the source of vacuum; a first branching conduit means being connected to a chamber of the servomotor means of the rear vehicle doors, the codriver door, a luggage space locking mechanism, and the first shifting valve means; a second branching conduit means being connected to another chamber of the servomotor means of the rear vehicle doors, the codriver door, the luggage space locking mechanism, a tank lid locking mechanism and the first shifting valve means; and third control means coordinated to each door of the vehicle for mechanically unlocking each door from the inside of the vehicle in the centrally locked condition thereof.

Claim 6

An installation operable by vacuum for the central locking and unlocking and/or actuation of various locking mechanisms arranged in a vehicle, especially a motor vehicle, comprising: a continuous source of vacuum, servomotor means actuated by the vacuum operatively associated with each of said locking mechanisms for effecting locking and unlocking thereof; a first control means coordinated to the driver door of the vehicle for effecting the central locking and unlocking of the locking mechanisms by locking and unlocking, respectively, the driver door; first shifting valve means operatively associated with the first control means; second control means coordinated to the codriver door of the vehicle for effecting the central locking and unlocking at a location within the passenger space that is accessible to the driver; second shifting valve means operatively associated with said second control means; both the first and second shifting valve means including two pistons connected with a locking rod having a free end operatively coordinated to the respective first and second control means; a conduit communicating with the first and second shifting valve means and the source of vacuum; a first branching conduit means being connected to a chamber of the servomotor means of the rear vehicle doors, the codriver door, a luggage space locking mechanism, and the first shifting valve means; a second branching conduit means being connected to another chamber of the servomotor means of the rear vehicle doors, the codriver door, the luggage space locking mechanism, a tank lid locking mechanism and the first shifting valve means; and third control means coordinated to each door of the vehicle for mechanically unlocking each door from the inside of the vehicle in the centrally locked condition thereof.

Claim 7

An installation according to claim 4, wherein a third conduit is connected between a chamber of the servomotor of the driver door and the second shifting valve means, and a fourth conduit is connected between another chamber of the driver door servomotor and the second shifting valve means.

Claim 8

An installation operable by vacuum for the central locking and unlocking and/or actuation of varIous locking mechanisms arranged in a vehicle, especially a motor vehicle, comprising: a continuous source of vacuum; servomotor means actuated by the vacuum operatively associated with each of said locking mechanisms for effecting locking and unlocking thereof; a first control means coordinated to the driver door of the vehicle for effecting the central locking and unlocking of the locking mechanism by locking and unlocking, respectively, the driver door; first shifting valve means operatively associated with the first control means and under vacuum via conduit means in communication with said vacuum source; a second control means coordinated to the codriver door of the vehicle for effecting the central locking and unlocking at a location within the passenger space that is accessible to the driver; second shifting valve means operatively associated with said second control means and under vacuum via said conduit means in communication with said vacuum source; said first and second control means each including locking cylinder means adapted to be rotated for locking or unlocking the driver and the codriver door respectively and for controlling the stroke movement of the first and second shifting valve means respectively; a third control means coordinated to each door of the vehicle for mechanically locking or unlocking each door from the inside of the vehicle in a centrally locked or unlocked condition respectively; said third control means including actuating knobs associated with the locking mechanism of each door; the first and second shifting valve means each including a locking rod operatively connected with the locking cylinder means at the driver door and codriver door, respectively, said locking mechanism at the driver door and codriver door also each including bellcrank means pivotally mounted at the lock housing with the respective locking rod and another leg of the bellcrank means pivotally connected to rod means of the respective actuating knob, the rod means being operatively connected with intermediate rod means which in turn, is operatively guided in a first slotted aperture of an approximately U-shaped entrainment plate means, and an actuating rod of the respective servomotor means also being operatively guided in a second slotted aperture of the U-shaped entrainment plate means, and spring means being operatively arranged at the ends of the intermediate rod means and the respective actuating rod in the slotted apertures of the U-shaped entrainment plate means; said first and second shifting valve means thereby being operatively connected with the locking cylinder means or the actuating knob of the driver and codriver door, respectively, whereby, depending on the actuation direction thereof, central locking or unlocking of all locking mechanisms is effected.

Claim 9

An installation operable by vacuum for the central locking and unlocking and/or actuation of varIous locking mechanisms arranged in a vehicle, especially a motor vehicle, comprising: a continuous source of vacuum; servomotor means actuated by the vacuum operatively associated with each of said locking mechanisms for effecting locking and unlocking thereof; a first control means coordinated to the driver door of the vehicle for effecting the central locking and unlocking of the locking mechanism by locking and unlocking, respectively, the driver door; first shifting valve means operatively associated with the first control means and under vacuum via conduit means in communication with said vacuum source; a second control means coordinated to the codriver door of the vehicle for effecting the central locking and unlocking at a location within the passenger space that is accessible to the driver; second shifting valve means operatively associated with said second control means and under vacuum via said conduit means in communication with said vacuum source; said first and second control means each including locking cylinder means adapted to be rotated for locking or unlocking the driver and the codriver door respectively and for controlling the stroke movement of the first and second shifting valve means respectively; a third control means coordinated to each door of the vehicle for mechanically locking or unlocking each door from the inside of the vehicle in a centrally locked or unlocked condition respectively; said third control means including actuating knobs associated with the locking mechanism of each door; the first and second shifting valve means each including a locking rod operatively connected with the locking cylinder means at the driver door and codriver door, respectively, said locking mechanism at the driver door and codriver door also each including bellcrank means pivotally mounted at the lock housing with the respective locking rod and another leg of the bellcrank means pivotally connected to rod means of the respective actuating knob, the rod means being operatively connected with intermediate rod means which in turn, is operatively guided in a first slotted aperture of an approximately U-shaped entrainment plate means, and an actuating rod of the respective servomotor means also being operatively guided in a second slotted aperture of the U-shaped entrainment plate means, and spring means being operatively arranged at the ends of the intermediate rod means and the respective actuating rod in the slotted apertures of the U-shaped entrainment plate means; said first and second shifting valve means thereby being operatively connected with the locking cylinder means or the actuating knob of the driver and codriver door, respectively, whereby, depending on the actuation direction thereof, central locking or unlocking of all locking mechanisms is effected.

Claim 10

An installation operable by a vacuum for the central locking and unlocking and/or the actuation of various locking mechanisms arranged in a vehicle, each of said locking mechanisms including a servomotor operated by a vacuum and means mechanically actuated individually from the interior of the vehicle, comprising: a continuous source of vacuum; a first control means arranged on the driver door of the vehicle for effecting the central locking and unlocking of said locking mechanisms by locking and unlocking of the driver door, said first control means including a first slide valve means operatively associated with the locking mechanism for the driver door and under a continuous vacuum via conduit means directly connected to said vacuum source and in communication via additional conduit means with the servomotor means of each of the other locking mechanisms; a second control means arranged on the codriver door of the vehicle at a point in the passenger space accessible to the codriver and to the driver for also effecting the central locking and unlocking operations; said second control means including a second slide valve means under continuous vacuum via conduit means directly connected to said source of vacuum and being in communication with the servomotor means of the locking mechanism of the driver door via additional conduit means; said second slide valve means being operatively associated with the locking mechanism of the codriver door and said slide valve means each being movable between two positions whereby said locking mechanisms are in the centrally unlocked condition when the slide valves are in one position and are in the centrally locked condition when the slide valves are in the other position and, whereby the vacuum is alternately applied to either one of the two chambers of each servomotor means for actuating the locking mechanisms of each of the doors of said vehicle.

Claim 11

An installation operable by a vacuum for the central locking and unlocking and/or the actuation of various locking mechanisms arranged in a vehicle, each of said locking mechanisms including a servomotor operated by a vacuum and means mechanically actuated individually from the interior of the vehicle, comprising: a continuous source of vacuum; a first control means arranged on the driver door of the vehicle for effecting the central locking and unlocking of said locking mechanisms by locking and unlocking of the driver door, said first control means including a first slide valve means operatively associated with the locking mechanism for the driver door and under a continuous vacuum via conduit means directly connected to said vacuum source and in communication via additional conduit means with the servomotor means of each of the other locking mechanisms; a second control means arranged on the codriver door of the vehicle at a point in the passenger space accessible to the codriver and to the driver for also effecting the central locking and unlocking operations; said second control means including a second slide valve means under continuous vacuum via conduit means directly connected to said source of vacuum and being in communication with the servomotor means of the locking mechanism of the driver door via additional conduit means; said second slide valve means being operatively associated with the locking mechanism of the codriver door and said slide valve means each being movable between two positions whereby said locking mechanisms are in the centrally unlocked condition when the slide valves are in one position and are in the centrally locked condition when the slide valves are in the other position and, whereby the vacuum is alternately applied to either one of the two chambers of each servomotor means for actuating the locking mechanisms of each of the doors of said vehicle.

Claim 12

An installation according to claim 7, wherein said third control means for mechanically unlocking the rear doors from the inside in bypassing relationship to the central locking action, whereby the rear doors can be unlocked even though the central locking installation is in the locked condition.