Abstract:
The invention relates to a motor vehicle door lock, comprising a lock housing (1, 2) and at least one lever (3, 4) mounted in the lock housing (1, 2), wherein in order to mount the lever (3, 4) at least one shaft (5) anchored in the lock housing (1, 2) is provided, wherein the lock housing (1, 2) and the shaft (5) have corresponding and interlocking angular contours (11, 12; 13, 14).
Abstract:
In order to minimize the sliding friction appearing between the pawl (5) and the rotary latch (2) of a motor vehicle door lock (1), it is advantageous, if during the production process, the various catch surfaces (12, 13) of both locking parts (30, 31) are associated with one or also two puzzle components (50, 51), said puzzle components (50, 51) being inserted into the main latch area (49) of the pawl (5) or rotary latch (2), in a secured position in correspondingly adapted puzzle-shaped contours (53, 54). Said edge surfaces (55) and/or (56) can advantageously compensate the effect of the adverse stamped contours (11 or 14) present on the other locking part (30, 31) such that both locking parts (30, 31) are in mutual contact reducing the friction.
Abstract:
In order to minimize noises occurring between the individual locking parts (30, 31) of a motor vehicle lock (1), the grooves extending at a defined angle with respect to each other are produced on the locking parts (30, 31) or on the latch surfaces (12, 13) during the production process. The generated grooves (17, 18, 19) then slightly overlap (25) which considerably reduces the sliding friction and the disturbing noises.
Abstract:
The invention relates to a motor vehicle door lock, with a locking mechanism (3, 4) and with a lever system (5, 8, 9) having at least two levers (5, 8) which are connected at an angle to each other and interact with each other, wherein the one lever (8) defining a fulcrum pin (14) is connected to a housing (1), and the fulcrum pin (14) reaches with a predetermined lateral play (a, b) through at least one reinforcing opening (24) in the housing (1).
Abstract:
In order to minimize the sliding friction occurring between the locking parts (30, 31), that is, between the pawl (5) and the rotary latch (2) of a motor vehicle lock (1), it is advantageous if, during the machining process, the different latch surfaces (12, 13) of both locking parts (30, 31) are provided with a punched contour (14) and with a contour (11) having a oblique machining groove (34, 35). Machining grooves (34, 35) are formed, in particular on the latch surface (13) thereof, after stamping the pawl (5). Defined shapes of oblique channels (18, 19) and/or machining grooves (34, 35) are produced, for example, by milling out the machining grooves (34, 35). The oblique machining grooves (34, 35) are produced at a defined angle and guarantee that the straight channels (17) on the rotary latch (2) only have a few overlapping points with the oblique grooves (34, 35), if both locking parts (30, 31) come into contact with each other.
Abstract:
The invention relates to a method for producing a one-piece lock striker and to a lock striker produced according to said method. The lock striker (1) comprises a base plate (1) and a lock bracket (3). A metal starter blank (11) is formed into a lock striker by cold forming, in particular by cold upsetting. The starter blank (11) is substantially block-shaped or cylindrical and is formed in such a way that the lock striker (1) becomes strain-hardened.
Abstract:
The invention relates to a lock for a motor vehicle comprising a locking mechanism comprising a rotary catch which is rotatably mounted on a rotary catch axis and which can receive a bolt, and a pawl. Compared to prior art, the lock comprises additional means for transferring forces from the rotary catch to the lock case of the lock by said additional means thus enabling said lock to have a compact and light structure.
Abstract:
In order to minimize the sliding friction between the locking parts (30, 31), that is, between the pawl (5) and the rotary latch (2) of a motor vehicle door lock (1), it is advantageous if, during the production process, the different latch surfaces (12, 13) of both locking parts (30, 31) are provided with a stamped contour (14) have straight grooves and also with a stamped contour (11), characterized in that the provided grooves (18', 19') are oblique. Said grooves (18',19') which are oblique to the latch surface (13) on the pawl (5) can be produced such that the entire pawl (5) or also the rotary latch (2) are connected in an oblique manner to the base (39) of the lock case housing (40) which can be produced in several ways. Between the straight grooves (17) and the oblique grooves (18', 19'), at least two coverings are provided which ensure that both locking parts (30, 31) are in mutual contact reducing the friction.
Abstract:
The invention relates to a method for producing motor vehicle door locks with the locking parts: a rotary latch and a pawl. Said latch and the pawl are stamped from rolled sheet metal defining vertical or approximately vertical edges with corresponding latch surfaces on the rotary latch and the pawl, and subsequently are provided with a covering whilst maintaining the catch surfaces. After stamping, the locking parts are bent in the region of the main latch and/or another latch resulting in the formation a contour which is void of stamped channels, and are then inserted into the lock housing box.
Abstract:
In order to minimize the sliding friction between the locking parts (30, 31) that is, between the pawl (5) and the rotary latch (2) of a motor vehicle lock (1), it is advantageous if, during the production process, the different latch surfaces (12, 13) of both locking parts (30, 31) are provided with a stamping contour (14) having straight grooves (17) and with a stamping contour (11) characterized in that the provided grooves (18', 19') are oblique. Said oblique grooves (18', 19') of the latch surface (13) on the pawl (5) are placed in the position indicated in figure (3) such that the entire pawl is twisted (5) about the longitudinal axis (38) thereof. Also, at least two overlapping points are provided between the straight grooves (17) and the oblique grooves (18', 19') such that both of the locking parts (30, 31) come into mutual contact reducing the friction.