BRAKE FOR MOTOR
Granted: March 28, 2024
Application Number:
20240102522
A brake for a motor includes a fixed-side engaging plate fixed to a motor shaft; a movable-side engaging plate coaxially opposed to the fixed-side engaging plate along the direction of a center axis; and a self-holding type solenoid that moves, in the direction of the center axis, the movable-side engaging plate to a halt cancelation position separated from the fixed-side engaging plate and a halt position where engagement with the fixed-side engaging plate occurs. When the motor is…
STRAIN WAVE GEARING
Granted: February 15, 2024
Application Number:
20240052920
A strain wave gearing includes an internally toothed gear integrated with an inner ring. A bolt hole is formed in the internally toothed gear. The bolt hole includes a bolt passage hole part, and a screw hole part extending in the direction of an axial line, continuously from the bolt passage hole part. The screw hole part, to which a bolt-fastening force is applied, is formed at a location away in the direction of the axial line from a location adjacent to a radially outer side of an…
STRAIN WAVE GEARING
Granted: February 8, 2024
Application Number:
20240044401
A strain wave gearing has three components and a temporary-fixing jig, three components being an internally toothed gear, a cup-shaped externally toothed gear, and a wave generator. The temporary-fixing jig is securely fastened to an output shaft fixed to the externally toothed gear by a temporary-fixing bolt and is securely fastened to an input shaft fixed to a cam plate of the wave generator by a temporary-fixing bolt. The temporary-fixing jig engages with the output shaft and the…
STRAIN WAVE GEARING
Granted: February 8, 2024
Application Number:
20240044400
In a strain wave gearing, both of a pulley for transmitting rotation in a direction orthogonal to a rotation central axis and an output shaft are arranged on an axial-direction first side relative to a cup-shaped externally toothed gear. The input shaft, which transmits input rotation from the pulley to the wave generator, functions as a support shaft for both the pulley and the wave generator and is supported at both ends by the first and second bearings. A mechanism for transmitting…
STRAIN WAVE GEARING
Granted: February 8, 2024
Application Number:
20240044401
A strain wave gearing has three components and a temporary-fixing jig, three components being an internally toothed gear, a cup-shaped externally toothed gear, and a wave generator. The temporary-fixing jig is securely fastened to an output shaft fixed to the externally toothed gear by a temporary-fixing bolt and is securely fastened to an input shaft fixed to a cam plate of the wave generator by a temporary-fixing bolt. The temporary-fixing jig engages with the output shaft and the…
STRAIN WAVE GEARING
Granted: February 8, 2024
Application Number:
20240044400
In a strain wave gearing, both of a pulley for transmitting rotation in a direction orthogonal to a rotation central axis and an output shaft are arranged on an axial-direction first side relative to a cup-shaped externally toothed gear. The input shaft, which transmits input rotation from the pulley to the wave generator, functions as a support shaft for both the pulley and the wave generator and is supported at both ends by the first and second bearings. A mechanism for transmitting…
STRAIN WAVE GEARING PROVIDED WITH THREE-DIMENSIONAL TOOTH PROFILE
Granted: November 9, 2023
Application Number:
20230358304
A three-dimensional tooth profile of internal teeth in a strain wave gearing is a basic internal-teeth tooth profile at an internal-teeth outer end, and is a reduced tooth profile, in which the basic internal-teeth tooth profile is proportionally reduced only in the lateral direction, at other tooth-trace-direction positions. A three-dimensional tooth profile of external teeth is a basic external-teeth tooth profile at an external-teeth outer end, and is an increased tooth profile, in…
STRAIN WAVE GEARING PROVIDED WITH THREE-DIMENSIONAL TOOTH PROFILE
Granted: November 2, 2023
Application Number:
20230349458
A three-dimensional tooth profile of internal teeth in a strain wave gearing is a basic internal-teeth tooth profile at an internal-teeth outer end, and is a reduced tooth profile, in which the basic internal-teeth tooth profile is proportionally reduced only in the lateral direction, at other tooth-trace-direction positions. A three-dimensional tooth profile of external teeth is a basic external-teeth tooth profile at an external-teeth outer end, and is an increased tooth profile, in…
GEAR SKIVING PROCESS METHOD
Granted: October 19, 2023
Application Number:
20230330763
In a gear skiving process method, a tooth-cutting process is performed on a surface to be cut of a workpiece using a first skiving cutter disposed at a first processing position on the surface to be cut and a second skiving cutter disposed at a second processing position set apart by 180° in a circumferential direction from the first processing position. Parts that are to be right tooth flanks of internal teeth to be created in the surface to be cut of the workpiece are cut mainly by…
SPEED RATIO SWITCHING TYPE STRAIN WAVE GEARING
Granted: May 18, 2023
Application Number:
20230151881
A speed ratio switching type strain wave gearing can switch the speed ratio of output rotation with respect to one input rotation into two states or multiple states with a simple configuration. The speed ratio switching type strain wave gearing includes first and second internally toothed gears, an externally toothed gear having first and second external teeth formed on the external peripheral surface thereof, a wave generator that causes the first and second external teeth to partially…
Rotary Bearing and Gearbox
Granted: April 27, 2023
Application Number:
20230130289
A rotary bearing (50), especially for harmonic gearing, comprising an outer bearing ring (1b) and an inner bearing ring (1a) arranged therein; whereby the inner bearing ring (1a) and the outer bearing ring (1b) are each provided with at least one receptacle (10, 11) through which, when the two receptacles (10, 11) are in a corresponding position with respect to one another, rolling elements (8) can be inserted through a receptacle opening (22) formed by the two receptacles (10, 11) into…
STRAIN WAVE GEARING HAVING ROLLER-BEARING-TYPE WAVE GENERATOR
Granted: April 13, 2023
Application Number:
20230116162
A strain wave gearing has a wave generator provided with a plurality of rollers mounted between an ellipsoidal outer peripheral surface of a plug and an inner peripheral surface of an externally toothed gear. The plug is formed with recesses along the ellipsoidal outer peripheral surface. The recesses open in a first end surface of the plug facing toward a diaphragm of the externally toothed gear. The radial rigidity of the plug is relatively low in the side having the first end surface…
LUBRICANT SEALING STRUCTURE, STRAIN WAVE GEARING, AND ACTUATOR
Granted: April 6, 2023
Application Number:
20230109061
A strain wave gearing is provided with a lubricant sealing structure that prevents a lubricant from leaking to the outside through a gap between a hollow input shaft and an end plate. The lubricant sealing structure is provided with a labyrinth seal that seals the gap. The labyrinth seal is configured by a plurality of gap portions defined by an oil-repellent surface in which fine grooves are formed in a prescribed groove array pattern. The oil-repellent surface is also formed at an…
LUBRICANT SEALING STRUCTURE, STRAIN WAVE GEARING, AND ACTUATOR
Granted: March 23, 2023
Application Number:
20230093559
A strain wave gearing has a lubricant sealing structure that prevents a lubricant from leaking to the outside through a gap portion between a hollow input shaft and an end plate. The lubricant sealing structure includes an oil-repellent surface formed on the surface portion facing the gap portion, an oil seal that seals the gap portion, and an oil film forming surface formed at a lip tip surface of the oil seal. The oil-repellent surface has a surface texture in which first fine grooves…
ROTARY ENCODER
Granted: February 16, 2023
Application Number:
20230048463
A rotary encoder is incorporated in an annular space formed between a hollow rotating shaft and an encoder case. The rotary encoder has an annular printed wiring substrate, a plurality of mounting substrates that are outward from the printed wiring substrate in the radial direction and are arranged in the circumferential direction, and inter-substrate wiring cables bridged between the printed wiring substrate and each of the mounting substrates in the radial direction. Power supply to…
ROTARY ENCODER
Granted: February 16, 2023
Application Number:
20230048463
A rotary encoder is incorporated in an annular space formed between a hollow rotating shaft and an encoder case. The rotary encoder has an annular printed wiring substrate, a plurality of mounting substrates that are outward from the printed wiring substrate in the radial direction and are arranged in the circumferential direction, and inter-substrate wiring cables bridged between the printed wiring substrate and each of the mounting substrates in the radial direction. Power supply to…
ROTARY ENCODER
Granted: February 16, 2023
Application Number:
20230048463
A rotary encoder is incorporated in an annular space formed between a hollow rotating shaft and an encoder case. The rotary encoder has an annular printed wiring substrate, a plurality of mounting substrates that are outward from the printed wiring substrate in the radial direction and are arranged in the circumferential direction, and inter-substrate wiring cables bridged between the printed wiring substrate and each of the mounting substrates in the radial direction. Power supply to…
STRAIN WAVE GEARING UNIT
Granted: February 2, 2023
Application Number:
20230035665
A strain wave gearing unit has a unit housing, a strain wave gearing, and a bearing device. Balls of a bearing part of the bearing device are positioned on the diametrically outer side with respect to a cylindrical barrel part of an externally toothed gear. The diameter S of the balls is 0.05 to 0.15 times the pitch diameter D of the externally toothed gear. The centers of the balls are positioned between a point at a distance of 1.2 times the diameter S toward the…
STRAIN WAVE GEARING UNIT
Granted: February 2, 2023
Application Number:
20230035665
A strain wave gearing unit has a unit housing, a strain wave gearing, and a bearing device. Balls of a bearing part of the bearing device are positioned on the diametrically outer side with respect to a cylindrical barrel part of an externally toothed gear. The diameter S of the balls is 0.05 to 0.15 times the pitch diameter D of the externally toothed gear. The centers of the balls are positioned between a point at a distance of 1.2 times the diameter S toward the…
STRAIN WAVE GEARING UNIT
Granted: February 2, 2023
Application Number:
20230035665
A strain wave gearing unit has a unit housing, a strain wave gearing, and a bearing device. Balls of a bearing part of the bearing device are positioned on the diametrically outer side with respect to a cylindrical barrel part of an externally toothed gear. The diameter S of the balls is 0.05 to 0.15 times the pitch diameter D of the externally toothed gear. The centers of the balls are positioned between a point at a distance of 1.2 times the diameter S toward the…
