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Harmonic Drive Systems Inc patents


Recent patent applications related to Harmonic Drive Systems Inc. Harmonic Drive Systems Inc is listed as an Agent/Assignee. Note: Harmonic Drive Systems Inc may have other listings under different names/spellings. We're not affiliated with Harmonic Drive Systems Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Harmonic Drive Systems Inc-related inventors


Strain wave gearing

An internal contact part of a wave generator of a strain wave gearing, a contact part between an externally toothed gear and the wave generator, and tooth surface parts are lubricated by a lubricating fine powder. When the strain wave gearing is in operation, the lubricating fine powder is supplied... Harmonic Drive Systems Inc

Strain wave gearing device

A strain wave gearing device has a grease temperature control mechanism for controlling the grease temperature of a portion of grease, of the grease filled inside an externally toothed gear of the strain wave gearing device, the portion of the grease being disposed on the outer peripheral side portion of... Harmonic Drive Systems Inc

Fastening structure for flexible externally toothed gear of strain wave gearing and shaft member

A boss-side fastening surface formed in a boss of a flexible externally toothed gear of a strain wave gearing and a shaft-side fastening surface of an output shaft are coaxially fastened with bolts. The boss-side fastening surface is a convex-side fastening surface defined by two symmetrical inclined surfaces that are... Harmonic Drive Systems Inc

Strain wave gearing with built-in motor

A strain wave gearing with a built-in motor is provided with a motor, a wave gear mechanism enclosing the motor coaxially, and a heat-insulation spacing formed therebetween. The wave gear mechanism has a wave generator attached to the motor rotor so as to rotate integrally with the motor rotor. A... Harmonic Drive Systems Inc

Planetary gear drive

A planetary gear drive has needle roller bearings of full roller type as planetary gear bearings for planetary gears. The needle roller bearings have lubrication mechanisms, respectively. Each lubrication mechanism has an annular grease retaining groove. The grease retaining groove is formed on an inner peripheral surface (an outer-race-side raceway... Harmonic Drive Systems Inc

Wave generator and strain wave gearing

A wave generator of a strain wave gearing has a rigid plug provided with an elliptical outer peripheral surface, and a roller bearing. The outer peripheral surface of the plug is provided with a major-axis-side outer-peripheral surface portion formed at a major axis position L1, and a minor-axis-side outer-peripheral surface... Harmonic Drive Systems Inc

Method for lubricating strain wave gearing

A strain wave gearing has contact parts which are the portions to be lubricated other than the teeth of an externally toothed gear and an internally toothed gear, the contact parts being respectively lubricated with an inorganic lubricating powder having a lamellar crystal structure. The lubricating powder, during the operation... Harmonic Drive Systems Inc

Planetary reduction gear device

A planetary reduction gear device has first and second planetary gears meshed with a sun gear and an internal at different locations in a direction of an axis line; and a carrier assembly for supporting the first and second planetary gears. The carrier assembly has a first planetary carrier for... Harmonic Drive Systems Inc

Cup-shaped flexible externally toothed gear and cup-type strain wave gearing

In the cup-shaped externally toothed gear, the outside end face profile of the diaphragm is defined by a first concave circular arc having a first radius, a second concave circular arc that has a second radius and is smoothly connected to the first concave circular arc, an inclined straight line... Harmonic Drive Systems Inc

Flat strain wave gearing

A relieving portion is formed between a first external tooth portion and a second external tooth portion in the external teeth of a flexible externally toothed gear of a flat strain wave gearing. The length L1 of the relieving portion in the tooth trace direction is within the range of... Harmonic Drive Systems Inc

Rotary actuator

The rotary actuator has an outer rotor type motor assembled coaxially in a device hollow part of a strain wave gearing. One end of the device hollow part is closed by an end cover fixed to an output shaft of the strain wave gearing. A detection part is arranged between... Harmonic Drive Systems Inc

Dual-type strain wave gearing

An externally toothed gear of a dual-type strain wave gearing is provided with first and second external teeth having different teeth numbers, and is flexed into an ellipsoidal shape by a wave generator. When the theoretical values of the radial flexing amounts at major-axis positions of the first and second... Harmonic Drive Systems Inc

Dual-type strain wave gearing

An externally toothed gear of a dual-type strain wave gearing is provided with first and second external teeth having different tooth numbers, and is flexed into an ellipsoidal shape by a wave generator. When the theoretical values of the radial flexing amounts at major-axis positions of the first and second... Harmonic Drive Systems Inc

Dual-type strain wave gearing

An externally toothed gear of a dual-type strain wave gearing is provided with first and second external teeth having different teeth numbers. The first and second external teeth are flexed by a wave generator by the same flexing amount, into an ellipsoidal shape. The tooth depth of tooth profiles of... Harmonic Drive Systems Inc

Dual-type strain wave gearing

An externally toothed gear of a dual-type strain wave gearing is provided with first and second external teeth having different teeth numbers, and is flexed into an ellipsoidal shape by a wave generator. When the theoretical values of the radial flexing amounts at major-axis positions of the first and second... Harmonic Drive Systems Inc

Dual-type strain wave gearing

An externally toothed gear of a dual-type strain wave gearing is provided with first and second external teeth having different teeth numbers. The first and second external teeth are flexed by a wave generator by the same flexing amount, into an ellipsoidal shape. The average pressure angle of main-tooth-surface sections... Harmonic Drive Systems Inc

Rotation actuator

A rotation actuator is equipped with a motor and a reduction gear disposed adjacent to each other. Both shaft end portions of a rotating shaft, which passes through the center of the motor and reducer, are rotatably supported through first and second rolling bearings by first and second fixed discs... Harmonic Drive Systems Inc

Dual-type strain wave gearing

An externally toothed gear of a dual-type strain wave gearing is provided with first and second external teeth having different teeth numbers, and is flexed into an ellipsoidal shape by a wave generator. When t(1) represents the tooth bottom rim wall thickness of the first external teeth, and t(2) represents... Harmonic Drive Systems Inc

Strain wave gearing having continuous-contact tooth profile formed using arcuate tooth profile

A strain wave gearing includes a rigid internally toothed gear, a flexible externally toothed gear disposed coaxially within the internally toothed gear, and a wave generator fitted within the externally toothed gear. The internally toothed gear and the externally toothed gear are spur gears having module m; and the number... Harmonic Drive Systems Inc

Non-excitation operative brake and motor with non-excitation operative brake

In a non-excitation operative brake, a friction plate faces the inner disk part of an attraction plate made from a magnetic material, and an electromagnet faces the outer disk part of the attraction plate. A part for generating a brake force acting on a hollow shaft is located on an... Harmonic Drive Systems Inc

Linear actuator

In a magnetic drive linear actuator, a load attachment portion is fixed to the lower side portion of the rectangular tubular coil frame of a mover, and a light-emitting portion of a position detection portion for detecting the movement position of the mover is fixed to the upper side portion... Harmonic Drive Systems Inc

Strain wave gearing and manufacturing multi-layer hollow body

A wave plug of a wave generator of a wave gear device includes: a metallic outer hollow body with an elliptical wave plug outer circumferential surface formed thereon; a metallic inner hollow body with a wave plug inner circumferential surface formed thereon; and an intermediate hollow body sandwiched between the... Harmonic Drive Systems Inc

Wave generator for strain wave gearing and producing wave generator

In this wave generator for a strain wave gearing, a plug thereof is configured from a plurality of split plug segments that are joined in the axial direction. Wave gearings are installed to the split outer peripheral surfaces of the split plug segments by press fitting, and thereafter the split... Harmonic Drive Systems Inc

Hollow strain wave gearing and hollow actuator

A cup-type hollow strain wave gearing of a hollow actuator has a seal part assembled inside a cup-shaped externally toothed gear. The seal part seals between a boss of the externally toothed gear and a plug of the wave generator so as to prevent lubricant from leaking from the side... Harmonic Drive Systems Inc

Wave generator and strain wave gear device

The wave generator of the strain wave gear device comprises: a rigid plug; a roller bearing fitted on the elliptical outer circumferential surface thereof; and first and second cylindrical springs, which press loose rollers that have some play in the radial direction between the outer race and the inner race... Harmonic Drive Systems Inc

Flat strain wave gearing

A flat strain wave gearing (1) has a mechanism for preventing a flexible externally toothed gear (4) from moving in the direction of the device center axis (1a) with respect to a rigid internally toothed gears (2, 3). The mechanism has an inner-peripheral groove (11) formed on inner teeth (3a)... Harmonic Drive Systems Inc

Strain wave gearing

In a strain wave gearing, external teeth of a flexible externally toothed gear are elastically deformable in a direction in which the tooth thickness of the external teeth decreases. Engagement between internal teeth of a first and a second rigid internally toothed gears and the external teeth is set in... Harmonic Drive Systems Inc








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