Abstract: The present invention achieves high throughput by making efficient use of virtual device resources. A storage system includes a storage device and a processor. The processor manages a primary volume and a snapshot volume as a snapshot family. The processor uses a snapshot virtual device as the data storage destination for the primary volume and for the snapshot volume. Upon receiving a write request from a host, the processor switches between an overwrite process and a new allocation process in accordance with the reference made to a write destination address range by the snapshot volume and with the degree of distribution of the write destination address range in the snapshot virtual device. The overwrite process is performed to overwrite an allocated area of the snapshot virtual device. The new allocation process is performed to allocate a new area of the snapshot virtual device to the write destination address range.

Abstract: Performance deterioration of a storage system is prevented. A storage controller includes one or more processors, and one or more memories configured to store one or more programs to be executed by the one or more processors. The one or more processors are configured to execute conversion of converting metadata before conversion for controlling the storage system into metadata after conversion in a format corresponding to a new controller newly installed in the storage system, execute control of switching an access destination between the metadata before conversion and the metadata after conversion according to an access control code during the conversion, and access the metadata before conversion without using the access control code before start of the conversion.

Abstract: A ball bearing has an outer circumferential surface of an inner ring subjected to a surface treatment by laser cladding in a circumferential direction, forming an annular first build-up layer with which a plurality of balls 4 is brought into contact so that the balls are rolled in the circumferential direction (first build-up layer formation step). An inner circumferential surface of an outer ring is subjected to a surface treatment by laser cladding in a circumferential direction, thereby forming an annular second build-up layer with which the plurality of balls contacts so that the balls can be rolled in the circumferential direction (second build-up layer formation step).

Abstract: A ball bearing has an outer circumferential surface of an inner ring subjected to a surface treatment by laser cladding in a circumferential direction, forming an annular first build-up layer with which a plurality of balls 4 is brought into contact so that the balls are rolled in the circumferential direction (first build-up layer formation step). An inner circumferential surface of an outer ring is subjected to a surface treatment by laser cladding in a circumferential direction, thereby forming an annular second build-up layer with which the plurality of balls contacts so that the balls can be rolled in the circumferential direction (second build-up layer formation step).

Abstract: A brake disc of the present invention is a brake disc that stops the rotation of an axle when a brake pad is pressed on a surface of the brake disc, including a disc main body that is attached to a rotary body integrally rotating with the axle; and a plurality of build-up layers laminated on a surface of the disc main body, in which the build-up layers are laminated on the surface of the disc main body by means of laser metal deposition welding.

Abstract: A brake disc of the present invention is a brake disc that stops the rotation of an axle when a brake pad is pressed on a surface of the brake disc, including a disc main body that is attached to a rotary body integrally rotating with the axle; and a plurality of build-up layers laminated on a surface of the disc main body, in which the build-up layers are laminated on the surface of the disc main body by means of laser metal deposition welding.

Abstract: A high-temperature material transferring member including a coating film formed on a surface of base metal, wherein the coating film is a composite coating film using a mixed powder made up of: a Co-based alloy powder containing, in mass %, 0.03 to 0.6% of C, 0.2 to 3% of Si, 22 to 35% of Cr, and more than 50% of Co; and a Cr carbide powder, the composite coating film is formed by the plasma powder overlaying process. The high-temperature material transferring member has excellent build-up resistance particularly in a gas atmosphere of 1100° C. or more. The high-temperature material transferring member has excellent in build-up resistance, oxidation resistance, and heat cracking resistance.

Abstract: An automatic shoe clearance adjustment apparatus having a ratchet wheel 124b and a driving member 127 comprising a pawl section 127f making a ratchet engagement with the ratchet wheel 124b and an arcuate leaf spring section 127e developing a resilient force for adjusting the automatic shoe clearance adjustment apparatus. The leaf spring section 127e is made of bi-metal. When the temperature of the leaf spring section 127e exceeds the predetermined degree, the arcuate leaf spring section 127e thermo-deflects so as to weaken the resilient force, thereby the automatic shoe clearance adjusting operation is suspended.

Abstract: A brake cable connecting apparatus ensures prevention of brake cable disengagement by a simple structure that offers simple and accurate assemblability. The brake cable connecting apparatus comprises the strut 23 engaging with the brake shoe 12 and the plate-like brake lever engaging with the brake shoe 13. The proximal portion 24a of the brake lever 24 is pivotally positioned in the wider space 23c formed between the two facing surface walls of the strut 23. The cable end 42 of the brake cable 40 is connected with the free end 24e of the brake lever 24 by the connecting pin 43. The inner cable 41 is operated to effectuate braking, and the projection 24g of the free end 24e interferes with the resilient stopper 33 of the resilient member 30 mounted on the strut 23 and is positioned on the rotating trajection of the brake lever 24.

Abstract: A brake cable for a dual mode type drum brake functioning as a leading-trailing type during the service brake and as a duo-servo type during the parking brake, may be easily arranged at a lower side of axle. The first and second brake levers (118), (119) of a parking brake actuator (117) have proximal portions (118a), (119a) pivotally supported between two ends of a second brake shoe (3) and at a lower end thereof; free ends (118b), (119b) extend in opposed direction from the proximal portions (118a), (119a) in parallel to face and functionally engage each other; a strut (120) extends between the second brake lever (119) and the pivot lever (16); and a brake cable (23) pulled to activate the free end (118b) is arranged adjacent to the anchor (7).

Abstract: A brake cable connecting apparatus ensures prevention of brake cable disengagement by a simple structure that offers simple and accurate assemblability. The brake cable connecting apparatus comprises the strut 23 engaging with the brake shoe 12 and the plate-like brake lever engaging with the brake shoe 13. The proximal portion 24a of the brake lever 24 is pivotally positioned in the wider space 23c formed between the two facing surface walls of the strut 23. The cable end 42 of the brake cable 40 is connected with the free end 24e of the brake lever 24 by the connecting pin 43. The inner cable 41 is operated to effectuate braking, and the projection 24g of the free end 24e interferes with the resilient stopper 33 of the resilient member 30 mounted on the strut 23 and is positioned on the rotating trajection of the brake lever 24.

Abstract: An automatic shoe clearance adjustment apparatus having a ratchet wheel 124b and a driving member 127 comprising a pawl section 127f making a ratchet engagement with the ratchet wheel 124b and an arcuate leaf spring section 127e developing a resilient force for adjusting the automatic shoe clearance adjustment apparatus. The leaf spring section 127e is made of bi-metal. When the temperature of the leaf spring section 127e exceeds the predetermined degree, the arcuate leaf spring section 127e thermo-deflects so as to weaken the resilient force, thereby the automatic shoe clearance adjusting operation is suspended.

Abstract: A brake cable for a dual mode type drum brake functioning as a leading-trailing type during the service brake and as a duo-servo type during the parking brake, may be easily arranged at a lower side of axle. The first and second brake levers (118), (119) of a parking brake actuator (117) have proximal portions (118a), (119a) pivotally supported between two ends of a second brake shoe (3) and at a lower end thereof; free ends (118b), (119b) extend in opposed direction from the proximal portions (118a), (119a) in parallel to face and functionally engage each other; a strut (120) extends between the second brake lever (119) and the pivot lever (16); and a brake cable (23) pulled to activate the free end (118b) is arranged adjacent to the anchor (7).

Abstract: A shoe clearance over-adjustment prevention apparatus employable to various types of automatic shoe clearance adjustment devices and drum brakes and designable to have a common thermo-sensitive member suitable for mass production. The thermo-sensitive member 60 is sandwiched between the strut 20 and the brake lever 30 to cause a functional engagement, and if the brake temperature reaches a predetermined value or range, the strut 20 is pushed toward the brake shoe 12 so as to disable the automatic shoe clearance adjustment operation.

Abstract: A shoe clearance over-adjustment prevention apparatus employable to various types of automatic shoe clearance adjustment devices and drum brakes and designable to have a common thermo-sensitive member suitable for mass production. The thermo-sensitive member 60 is sandwiched between the strut 20 and the brake lever 30 to cause a functional engagement, and if the brake temperature reaches a predetermined value or range, the strut 20 is pushed toward the brake shoe 12 so as to disable the automatic shoe clearance adjustment operation.

Abstract: A adjustment lever (80) has dual-functions characterized in that when an actuating force to a brake shoe (20) to move outward reaches predetermined magnitude, a device (80g) prevents over-adjustment of shoe-to-drum clearances disables a device (70) to restrict return positions of brake shoes inhibiting the brake shoes movement in the direction to separate each other and when a brake temperature rises certain degree, a device (80d) to prevent over-adjustment of brake shoe-to-drum clearances disables the device (70) to restrict return position inhibiting the brake shoe movement as well.

Abstract: The disk brake mechanism with an exposed portion of the camshaft being a connection portion having a non-circular radial cross-section. The brake lever has a corresponding non-circular bore engaging the connection portion. A caulked portion is formed around an edge of interengagement of the brake lever with the connection portion thereby affixing the brake lever to the camshaft. The caulking can be done on the brake lever, the connection portion of the camshaft or both.

Abstract: A wide picture with on-the-scene feeling is displayed on multiple CRT screens by using a method which is suitable for video game machines to enhance a player's satisfaction. Data is read from a static memory and from a dynamic memory and is displayed in synchronism at corresponding points of the CRT's.