Abstract: A seat belt retractor includes a housing including a pair of side walls facing each other, a winding drum configured to wind up a webbing, a locking base being prevented from being rotated in the pull-out direction, in an emergency of a vehicle, an impact energy absorbing member connecting the winding drum and the locking base so as to be integrally rotatable in a normal state, an impact energy absorbing wire housed in a slot provided in the winding drum so as to form an opening in the first end surface of the winding drum, a ring provided integrally with or separately from the locking base, and a stopper member being configured to define an allowable amount of relative rotation between the winding drum and the locking base in a case where the impact energy absorbing member absorbs the impact energy.

Abstract: A seat belt retractor includes a vehicle acceleration sensor. The vehicle acceleration sensor includes a sensor holder including a placement surface and an attachment member to which the sensor holder is coupled. The attachment member is attached to the housing in a state in which the sensor holder is in either a first posture or a second posture. The sensor holder is configured to be coupled to the attachment member at any one of a plurality of angular positions. The plurality of angular positions are positions of the sensor holder in a case where the sensor holder rotates around a rotation axis. A plurality of sensor attachment angles corresponding to the plurality of angular positions are different between the first posture and the second posture. The plurality of sensor attachment angles are angles, with respect to the housing, of the center line of the placement surface.

Abstract: A seat belt retractor includes a housing including a first side wall and a second side wall facing each other, a winding drum configured to wind up a webbing, a locking base, a torsion bar including one end side, which is opposite to the locking base, coupled to the winding drum without being rotatable relative to the winding drum, and the other end side coupled to the locking base without being rotatable relative to the locking base, a pretensioner including: a pretensioner casing attached to the first side wall; and a drive wheel attached to the locking base, a lock member located in the locking base, and a stopper member being screwed onto a male screw of the locking base.

Abstract: A seat belt retractor includes a housing including a pair of side walls facing each other, a winding drum configured to wind up a webbing, a locking base prevented from being rotated in the pull-out direction, in an emergency of a vehicle, an impact energy absorbing member including a first end side coupled to the winding drum and a second end side coupled to the locking base, the impact energy absorbing member connecting the winding drum and the locking base so as to be integrally rotatable, in a normal state, at least one impact energy absorbing wire housed in at least one slot that is provided in the winding drum, and a stopper member configured to define an allowable amount of relative rotation between the winding drum and the locking base in a case where the impact energy absorbing member absorbs the impact energy.

Abstract: A seat belt retractor includes a housing including a pair of side walls facing each other, a winding drum configured to wind up a webbing, a locking base being prevented from being rotated in the pull-out direction, in an emergency of a vehicle, an impact energy absorbing member connecting the winding drum and the locking base so as to be integrally rotatable in a normal state, an impact energy absorbing wire housed in a slot provided in the winding drum so as to form an opening in the first end surface of the winding drum, a ring provided integrally with or separately from the locking base, and a stopper member being configured to define an allowable amount of relative rotation between the winding drum and the locking base in a case where the impact energy absorbing member absorbs the impact energy.

Abstract: A seat belt retractor includes a housing including a pair of side walls facing each other, a winding drum configured to wind up a webbing, a locking base prevented from being rotated in the pull-out direction, in an emergency of a vehicle, an impact energy absorbing member including a first end side coupled to the winding drum and a second end side coupled to the locking base, the impact energy absorbing member connecting the winding drum and the locking base so as to be integrally rotatable, in a normal state, at least one impact energy absorbing wire housed in at least one slot that is provided in the winding drum, and a stopper member configured to define an allowable amount of relative rotation between the winding drum and the locking base in a case where the impact energy absorbing member absorbs the impact energy.

Abstract: A seat belt retractor includes a housing including a pair of side walls facing each other, a winding drum configured to wind up a webbing, the winding drum being housed between the pair of side walls so as to be rotatable in a winding direction and a pull-out direction of the webbing, a lock member provided at a first end portion, of the winding drum, located on one side in an axial direction of the winding drum, a biasing member including one end portion attached to the first end portion of the winding drum, the other end portion attached to the lock member, and a connecting portion connecting the one end portion and the other end portion, a shaft member attached to the first end portion of the winding drum, and a cover member attached to the housing.

Abstract: A seat belt retractor includes a housing including a first side wall and a second side wall facing each other, a winding drum configured to wind up a webbing, a locking base, a torsion bar including one end side, which is opposite to the locking base, coupled to the winding drum without being rotatable relative to the winding drum, and the other end side coupled to the locking base without being rotatable relative to the locking base, a pretensioner including: a pretensioner casing attached to the first side wall; and a drive wheel attached to the locking base, a lock member located in the locking base, and a stopper member being screwed onto a male screw of the locking base.

Abstract: An information providing device includes an information acquisition part configured to acquire environment information which indicates a growth environment of grass in a predetermined area and state information which indicates a growth state of the grass in the predetermined area, and an information generating part configured to determine a good area which indicates an area in which the growth state of the grass in the predetermined area is good and a bad area which indicates an area in which the growth state of the grass in the predetermined area is bad based on the state information, and configured to generate management information which indicates a content of treatments to be performed with respect to the good area and the bad area based on the environment information.

Abstract: A control device includes a control unit configured to acquire individual information indicating a state of a predetermined member of a work machine configured to execute work using the predetermined member, and instruct a state adjustment mechanism configured to adjust the state to adjust the state so that a difference between the state indicated by the individual information and a reference value of the state common to other work machines is reduced.

Abstract: A mower includes: a cutting part which is able to cut grass; a machine body which includes the cutting part and a cover configured to cover the cutting part from above; and a state control part which controls a state of at least one of the cutting part and the cover such that at least one of grass in a space provided between the cutting part and the cover and grass outside the cover is able to be cut in the cutting part in a case where a predetermined condition is satisfied.

Abstract: An autonomous work system includes a first work machine, a plurality of second work machines having different functions, a setting device that stores work schedule information indicating work schedule content, performance of the first work machine, and performance of the plurality of second work machines, and a terminal. The first work machine acquires a state of work performed by its own device and transmits detection result information indicating the acquired state of work to the setting device. The setting device discriminates whether additional work is required based on the detection result information and the work schedule information, and in a case where the additional work is required, selects the second work machine, and transmits additional work information including work content for the second work machine and information relating to the second work machine to at least one of the terminal and the second work machine.

Abstract: A seat belt retractor includes a vehicle acceleration sensor. The vehicle acceleration sensor includes a sensor holder including a placement surface and an attachment member to which the sensor holder is coupled. The attachment member is attached to the housing in a state in which the sensor holder is in either a first posture or a second posture. The sensor holder is configured to be coupled to the attachment member at any one of a plurality of angular positions. The plurality of angular positions are positions of the sensor holder in a case where the sensor holder rotates around a rotation axis. A plurality of sensor attachment angles corresponding to the plurality of angular positions are different between the first posture and the second posture. The plurality of sensor attachment angles are angles, with respect to the housing, of the center line of the placement surface.

Abstract: A control device capable of improving the position accuracy of map data is disclosed. The control device is configured to acquire information which is output from a working machine which includes a working part and works along a boundary between a working area and a non-working area. The control device includes an operating state acquisition part configured to acquire information indicating an operating state of a machine body of the working machine; a judgment part configured to determine the operating state of the machine body, based on information acquired by the operating state acquisition part; a position information acquisition part configured to acquire position information indicating a position of the machine body; and a storage control part configured to store the position information acquired by the position information acquisition part in the storage, based on a determination result of the judgment part.

Abstract: A snow removal system includes a work machine and a snow removal machine. The work machine includes a work unit configured to perform work and a position detector configured to detect a position of the work machine when the work unit has performed the work and generate position information indicating the detected position. The snow removal machine is capable of autonomous movement and includes a snow removal unit configured to perform snow removal work and a controller configured to cause the snow removal unit to perform the snow removal work on the basis of the position information.

Abstract: An operation management device according to one aspect of the present invention includes: an operation completion data acquisition unit which acquires first operation completion data indicating that a first operation related to maintenance of a grass field has been completed; and an operation implementation data output unit which outputs, when the first operation completion data is acquired, operation implementation data which prompts implementation of a second operation that is an operation related to the maintenance of a grass field and is different from the first operation.

Abstract: A control device and a working machine capable of improving the position accuracy of map data as compared with the related art is provided. There is provided a control device which is configured to acquire information which is output from a working machine which includes a working part and works along a boundary between a working area and a non-working area. The control device includes an operating state acquisition part configured to acquire information indicating an operating state of a machine body of the working machine; a judgment part configured to determine the operating state of the machine body, based on information acquired by the operating state acquisition part; a position information acquisition part configured to acquire position information indicating a position of the machine body; and a storage control part configured to store the position information acquired by the position information acquisition part in the storage, based on a determination result of the judgment part.

Abstract: A mower includes: a cutting part which is able to cut grass; a machine body which includes the cutting part and a cover configured to cover the cutting part from above; and a state control part which controls a state of at least one of the cutting part and the cover such that at least one of grass in a space provided between the cutting part and the cover and grass outside the cover is able to be cut in the cutting part in a case where a predetermined condition is satisfied.

Abstract: An information providing device includes an information acquisition part configured to acquire environment information which indicates a growth environment of grass in a predetermined area and state information which indicates a growth state of the grass in the predetermined area, and an information generating part configured to determine a good area which indicates an area in which the growth state of the grass in the predetermined area is good and a bad area which indicates an area in which the growth state of the grass in the predetermined area is bad based on the state information, and configured to generate management information which indicates a content of treatments to be performed with respect to the good area and the bad area based on the environment information.

Abstract: An autonomous work machine includes a detection unit configured to detect a person present in an advancing direction of an own apparatus, a notification unit configured to perform a first notification on the detected person, a reaction detection unit configured to detect a reaction of the person when the first notification is performed, and a control unit configured to determine whether or not a notification from the notification unit is continued on the basis of the detected reaction, and select a second notification different from the first notification on the basis of the detected reaction and cause the notification unit to perform the second notification in a case where it is determined that the notification is continued.