A braking force generation device of a vehicle includes a rotary member, a frictional member, a pressing device, and a self-discharge type static charge eliminator provided on a surface of a particular member. The self-discharge type static charge eliminator changes air around the self-discharge typ
A braking force generation device of a vehicle includes a rotary member, a frictional member, a pressing device, and a self-discharge type static charge eliminator provided on a surface of a particular member. The self-discharge type static charge eliminator changes air around the self-discharge type static charge eliminator into negative air ions, according to the quantity of positive charge carried by the particular member, and eliminate charge by causing the negative air ions to attract the positive charges of the particular member for neutralization, so as to reduce a quantity of charge of the particular member, and thereby reduce a quantity of charge of the lubricant.
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1. A braking force generation device for a vehicle, the braking force generation device comprising: a rotary member rotating about a rotational axis along with a wheel;a friction member being supported so as not to rotate about the rotational axis;a pressing device including a stationary member and
1. A braking force generation device for a vehicle, the braking force generation device comprising: a rotary member rotating about a rotational axis along with a wheel;a friction member being supported so as not to rotate about the rotational axis;a pressing device including a stationary member and a displacement member, the stationary member, having sliding portions, being supported by a knuckle, the displacement member being operable to slide relative to the stationary member, support the friction member and press the friction member against the rotary member, sliding portions of the stationary member and the displacement member being lubricated by a lubricant; andat least two self-discharge type static charge eliminators including a conductive metal foil directly fixed on a surface of a particular member, respectively, so that the conductive metal foil contacts the surface of the particular member, the particular member being at least one of the rotary member, the friction member, the stationary member and the displacement member, whereinthe at least two self-discharge type static charge eliminators are air-ion-exchange type self-discharge static charge eliminators, the air-ion-exchange type self-discharge static charge eliminators being configured to change air around the self-discharge type static charge eliminators into negative air ions, according to a quantity of positive charge carried by the particular member, and eliminate charge by causing the negative air ions to attract the positive charges of the particular member for neutralization, so as to reduce a quantity of charge of the particular member, and thereby reduce a quantity of charge of the lubricant,wherein the rotary member, the friction member, the pressing device, the stationary member and the displacement member are each made of a metal material, andwhereinthe rotary member is a brake disc that rotates about the rotational axis;the friction member is a brake pad;the pressing device is a floating type pressing device;the stationary member is a caliper support member;the displacement member includes a caliper and a piston, the caliper being operable to slide relative to the caliper support member along an axis parallel to the rotational axis, the piston being operable to slide relative to the caliper and press the brake pad against the brake disc; andthe particular member is at least one of the brake disc, the brake pad, the caliper support member and the caliper,whereinthe electrically conductive metal foil has a multiplicity of protrusions and recesses at a side surface of an outer periphery, and a layer of an adhesive applied to one surface of the metal foil; andthe self-discharge type static charge eliminator is fixed to the particular member by bonding using the layer of the adhesive. 2. A braking force generation device for a vehicle, the braking force generation device comprising: a rotary member rotating about a rotational axis along with a wheel;a friction member being supported so as not to rotate about the rotational axis;a pressing device including a stationary member and a displacement member, the stationary member, having sliding portions, being supported by a knuckle, the displacement member being operable to slide relative to the stationary member, support the friction member and press the friction member against the rotary member, sliding portions of the stationary member and the displacement member being lubricated by a lubricant; andat least two self-discharge type static charge eliminators including a conductive metal foil directly fixed on a surface of a particular member, respectively, so that the conductive metal foil contacts the surface of the particular member, the particular member being at least one of the rotary member, the friction member, the stationary member and the displacement member, whereinthe at least two self-discharge type static charge eliminators are air-ion-exchange type self-discharge static charge eliminators, the air-ion-exchange type self-discharge static charge eliminators being configured to change air around the self-discharge type static charge eliminator into negative air ions, according to a quantity of positive charge carried by the particular member, and eliminate charge by causing the negative air ions to attract the positive charges of the particular member for neutralization, so as to reduce a quantity of charge of the particular member, and thereby reduce a quantity of charge of the lubricant,wherein the rotary member, the friction member, the pressing device, the stationary member and the displacement member are each made of a metal material, whereinthe rotary member is a brake disc that rotates about the rotational axis;the friction member is a brake pad;the pressing device is an opposed-piston type pressing device;the stationary member is a caliper;the displacement member includes at least two pistons, the pistons being disposed on opposite sides of the brake disc and being operable to slide relative to the caliper along an axis parallel to the rotational axis;the pistons are operable to press the brake pad against the brake disc; andthe particular member is at least one of the brake disc, the brake pad and the caliper,whereinthe electrically conductive metal foil has a multiplicity of protrusions and recesses at a side surface of an outer periphery, and a layer of an adhesive applied to one surface of the metal foil; andthe self-discharge type static charge eliminator is fixed to the particular member by bonding using the layer of the adhesive. 3. A braking force generation device for a vehicle, the braking force generation device comprising: a rotary member rotating about a rotational axis along with a wheel;a friction member being supported so as not to rotate about the rotational axis;a pressing device including a stationary member and a displacement member, the stationary member, having sliding portions, being supported by a knuckle, the displacement member being operable to slide relative to the stationary member, support the friction member and press the friction member against the rotary member, sliding portions of the stationary member and the displacement member being lubricated by a lubricant; andat least two self-discharge type static charge eliminators including a conductive metal foil directly fixed on a surface of a particular member, respectively, so that the conductive metal foil contacts the surface of the particular member, the particular member being at least one of the rotary member, the friction member, the stationary member and the displacement member, whereinthe at least two self-discharge type static charge eliminators are air-ion-exchange type self-discharge static charge eliminators, the air-ion-exchange type self-discharge static charge eliminators being configured to change air around the self-discharge type static charge eliminator into negative air ions, according to a quantity of positive charge carried by the particular member, and eliminate charge by causing the negative air ions to attract the positive charges of the particular member for neutralization, so as to reduce a quantity of charge of the particular member, and thereby reduce a quantity of charge of the lubricant,wherein the rotary member, the friction member, the pressing device, the stationary member and the displacement member are each made of a metal material,whereinthe rotary member is a brake drum that rotates about the rotational axis;the friction member is a brake shoe; andthe stationary member is configured to support the brake shoe such that the brake shoe can be displaced relative to the stationary member, and fixedly support the pressing device, the particular member being at least one of the brake drum, the brake shoe, and the stationary member,whereinthe electrically conductive metal foil has a multiplicity of protrusions and recesses at a side surface of an outer periphery, and a layer of an adhesive applied to one surface of the metal foil; andthe self-discharge type static charge eliminator is fixed to the particular member by bonding using the layer of the adhesive. 4. A braking force generation device for a vehicle, the braking force generation device comprising: at least two self-discharge type static charge eliminators including a conductive metal foil directly fixed on a surface of a particular member of the braking force generation device, so that the conductive metal foil contacts the surface of the particular member, the particular member being at least one of a rotary member, a friction member, a stationary member and a displacement member made of metal material, whereinthe at least two self-discharge type static charge eliminators are air-ion-exchange type self-discharge static charge eliminators, the air-ion-exchange type self-discharge static charge eliminators being configured to change air around the self-discharge type static charge eliminator into negative air ions, according to a quantity of positive charge carried by the particular member, and eliminate charge by causing the negative air ions to attract the positive charges of the particular member for neutralization, so as to reduce a quantity of charge of the particular member, and thereby reduce a quantity of charge of the lubricant,whereinthe electrically conductive metal foil has a multiplicity of protrusions and recesses at a side surface of an outer periphery, and a layer of an adhesive applied to one surface of the metal foil; andthe self-discharge type static charge eliminator is fixed to the particular member by bonding using the layer of the adhesive.
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