Abstract: In a parking brake system, a locking tooth of a ratchet plate includes a first area for contacting and retaining a locking claw of a ratchet pawl in an equilibrium state when a parking brake lever is pulled up; and a second area in which the locking claw remains in a state of halfway engagement of tooth tips when a pressing force of a release rod is released. When the locking claw comes into contact with a portion closer to a tip of the locking tooth beyond the first area, a line of force is maintained due to the pressing force of the release rod. The system is configured such that even if an occupant erroneously pulls up the parking brake lever while the release rod is pressed, it is possible to reliably prevent halfway engagement of tooth tips in a ratchet mechanism.

Abstract: In a parking brake system, a locking tooth (17a) of a ratchet plate (17) is configured to have: a first area (S1) in which a locking claw (19c) of a ratchet pawl (19) comes into contact with the locking tooth and remains there in an equilibrium state when a parking brake lever is pulled up and thereafter loosened while a release rod being pressed; and a second area (S2) in which the locking claw remains there in a state of halfway engagement of tooth tips when a pressing force of the release rod is released. With this configuration, when the locking claw (19c) comes into contact with a portion closer to a tip of the locking tooth (17a) beyond the first area (S1), a line of force (F1) is maintained due to the pressing force of the release rod. Accordingly, the locking claw (19c) does not become in the state of halfway engagement of tooth tips at the second area (S2), and the locking claw (19c) slides towered the tooth tip to prevent beforehand the occurrence of the state of halfway engagement of tooth tips.

Abstract: A base frame 1 is such as to be fixedly provided on a body so that a parking brake device 2 is provided thereon which causes a brake applying portion of a parking brake to apply the brake and release the brake so applied, a base frame main body 1a is molded into an integral unit, a parking device mounting portion 10A where the parking brake device 2 is mounted is formed on one side A of the base frame man body 1a, and a gearshift device mounting portion 10B where a gearshift device of a transmission is provided is formed on the other side B thereof.

Abstract: A parking brake apparatus has a base, a ratchet plate fixed to the base, an operation lever includes a rotational base portion pivotally supported on the base; a pawl adapted to engage/disengage with the ratchet plate; an arc-shaped intermediate member comprises an arc-shaped relay rod; and a grip for controlling the engagement of the pawl. The arc-shaped relay rod is divided into at least two and is made to be interlocked with operations by the grip to transmit an engagement/disengagement operation with the ratchet plate to the pawl, the ratchet plate and the rotational base portion are provided inside a body side mounting portion, and the intermediate member is provided in such a manner as to appear from and disappear into a passage hole in the body side mounting portion.

Abstract: A knob structure for parking brake apparatus that can prevent a sink mark or a weld mark from being produced at the time of molding, and allows an inexpensive resin material with a good moldability to be adopted. The knob structure includes a rod that is movably disposed on the vehicle body side, and a knob main body that is connected to the nose end side of the rod, wherein the knob main body is made up of a core part that is previously assembled to the nose end side of said rod, and a surface layer part that coats the surface of the core part after assembly with a substantially uniform coating thickness.

Abstract: A parking brake apparatus has a base, a ratchet plate fixed to the base, an operation lever includes a rotational base portion pivotally supported on the base; a pawl adapted to engage/disengage with the ratchet plate; an arc-shaped intermediate member comprises an arc-shaped relay rod; and a grip for controlling the engagement of the pawl. The arc-shaped relay rod is divided into at least two and is made to be interlocked with operations by the grip to transmit an engagement/disengagement operation with the ratchet plate to the pawl, the ratchet plate and the rotational base portion are provided inside a body side mounting portion, and the intermediate member is provided in such a manner as to appear from and disappear into a passage hole in the body side mounting portion.

Abstract: A base frame 1 is such as to be fixedly provided on a body so that a parking brake device 2 is provided thereon which causes a brake applying portion of a parking brake to apply the brake and release the brake so applied, a base frame main body la is molded into an integral unit, a parking device mounting portion 10A where the parking brake device 2 is mounted is formed on one side A of the base frame man body 1a, and a gearshift device mounting portion 10B where a gearshift device of a transmission is provided is formed on the other side B thereof.

Abstract: A yoke for a universal joint is produced by press forming of a steel sheet, and mutually concentric circular holes are formed by press punching at the tip ends of a pair of arms opposite to each other. After the circular holes are punched by inserting a punching punch through the tip ends of the arms in the state that the backs of the arms are supported by a die relative to the punching direction and the outer peripheries of these arms are restrained by a restraining member in the vicinity of a portion in which the circular holes are to be formed, a finishing punch is inserted from the direction opposite to the punching punch into the punched circular holes, thereby improving the accuracy of the circular holes.

Abstract: A foot-operated parkin brake apparatus for a vehicle has a base plate, a pedal lever, a sector gear, and a locking pawl. The base plate has a pivot and is fixed with respect to the body of the vehicle. The pedal lever is rotatably supported by the base plate. By stepping on the pedal lever, the parking brake is applied. The sector gear is provided on the pedal lever. The locking pawl has a covering of resin that covers its surface, a bearing hole that is rotatably supported by the pivot of the base plate, and a meshing surface that meshes with the sector gear. The mating surface and the peripheral surface of the bearing hole are exposed metal surfaces which are not covered with the resin. By a meshing between the sector gear and the locking pawl, the pedal lever is locked at the position to which it has been pressed.

Abstract: A parking brake device includes a base member and at least one cable connected to a braking system at one end. The other end of the cable is connected to a connecting member. The connecting member is slidably supported by the base member. A brake lever is rotatably attached to the base member so as to be erectable around a position in the vicinity of an extension extending in the sliding direction of the connecting member. A junction member is rotatably connected to the connecting member at one end. The other end of the connecting member is connected to at least one moving member to which the junction member is rotatably attached. The moving member is moveably attached to the brake lever. An adjustment mechanism is provided outside the brake lever. The adjusting mechanism adjusts the tension of the cable through the junction member and the connecting member by changing the position of the moving member.

Abstract: A foot-operated parking brake lever assembly wherein a double-manual operation is required to effect release of the parking brake. The assembly is provided with a pawl having a first pawl section and a second pawl section. The first pawl section is pivotally mounted on a brake lever which is in turn pivotally mounted on a stationary support formed with a series of ratchet teeth. The first pawl section is formed with a finger for selectively engaging the ratchet teeth and thereby retaining the brake lever in brake setting positions thereof. The second pawl section is mounted on the first pawl section for limited rotational movement therewith.

Abstract: A ratchet type quick feeding mechanism for an automobile pantograph jack including a round bar having a ratchet screw portion, a pawl member for engaging the teeth of the ratchet screw portion, a connecting block carrying a horizontal shaft on which the pawl member is pivotally supported, and pantograph link assemblies for changing the height of the jack by horizontal shift of the connecting block.