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1. 发明授权

US4483249A Hammer lock releasing mechanism for a printing device 失效
标题翻译：用于打印装置的锤式锁定释放机构
公开(公告)号：US4483249A
公开(公告)日：1984-11-20
申请号：US296963
申请日：1981-09-25
申请人： Takayuki Iwao , Takemitsu Ono , Yukio Ishikawa
发明人： Takayuki Iwao , Takemitsu Ono , Yukio Ishikawa
IPC分类号： B41J9/18 , B41J9/32 , B41J9/28
CPC分类号： B41J9/32 , B41J9/18
摘要： A printing device comprises a rotary type wheel provided on its outer surface with a plurality of types disposed at equal angular intervals and in at least one column, a printing hammer head disposed confronting said type wheel and undergoing displacement, in printing operation, to strike a desired type selectively onto a sheet of paper thereby to carry out printing, means for urging the hammer head to move in the direction of carrying out printing action, a mechanism for locking the hammer head in a non-printing position, and a mechanism for releasing the hammer head from its locked state by means of the locking mechanism. The locking mechanism comprises a locking member for locking the hammer head and a first spring for urging the locking member so as to make locking operation. The releasing mechanism comprises a single electromagnet, a second spring facing the electromagnet in spaced-apart relation which is caused to displace when the electromagnet is operated, a locking member displacing together with the second spring, an unlocking cam rotating correspondingly with the rotation of the type wheel and engaging the engaging catch displaced to further move the engaging catch thereby to release the locked state of the hammer head locked by the locking member.
摘要翻译：打印装置包括：旋转式轮，其设置在其外表面上，具有以相等的角度间隔布置的多种类型，并且至少在一列中，打印锤头设置成与打印操作相对的所述型轮并且在打印操作中发生位移，期望类型选择性地在一张纸上，从而进行打印，用于促使锤头沿着执行打印动作的方向移动的装置，用于将锤头锁定在非打印位置的机构，以及用于释放的机构锤头通过锁定机构从其锁定状态。锁定机构包括用于锁定锤头的锁定构件和用于推动锁定构件以便进行锁定操作的第一弹簧。释放机构包括单个电磁体，第二弹簧，以间隔开的方式面对电磁体，当电磁体被操作时，第二弹簧被移动;与第二弹簧一起移位的锁定构件，与第二弹簧的旋转相应地旋转的解锁凸轮并且接合位移的接合卡爪以进一步移动接合钩，从而释放由锁定构件锁定的锤头的锁定状态。

2. 发明授权

US4326459A Hammer lock releasing mechanism for a printing device 失效
标题翻译：用于打印装置的锤式锁定释放机构
公开(公告)号：US4326459A
公开(公告)日：1982-04-27
申请号：US87956
申请日：1979-10-24
申请人： Takayuki Iwao , Takemitsu Ono , Yukio Ishikawa
发明人： Takayuki Iwao , Takemitsu Ono , Yukio Ishikawa
IPC分类号： B41J9/14 , B41J9/18 , B41J9/24 , B41J9/32
CPC分类号： B41J9/18 , B41J9/32
摘要： A printing device comprises a rotary type wheel provided on its outer surface with a plurality of types disposed at equal angular intervals and in at least one column, a printing hammer head disposed confronting said type wheel and undergoing displacement, in printing operation, to strike a desired type selectively onto a sheet of paper thereby to carry out printing, means for urging the hammer head to move in the direction of carrying out printing action, a mechanism for locking the hammer head in a non-printing position, and a mechanism for releasing the hammer head from its locked state by means of the locking mechanism. The locking mechanism comprises a locking member for locking the hammer head and a first spring for urging the locking member so as to make locking operation. The releasing mechanism comprises a single electromagnet, a second spring facing the electromagnet in spaced-apart relation which is caused to displace when the electromagnet is operated, a locking member displacing together with the second spring, an unlocking cam rotating correspondingly with the rotation of the type wheel and engaging the engaging catch displaced to further move the engaging catch thereby to release the locked state of the hammer head locked by the locking member.
摘要翻译：打印装置包括：旋转式轮，其设置在其外表面上，具有以相等的角度间隔布置的多种类型，并且至少在一列中，打印锤头设置成与打印操作相对的所述型轮并且在打印操作中发生位移，期望类型选择性地在一张纸上，从而进行打印，用于促使锤头沿着执行打印动作的方向移动的装置，用于将锤头锁定在非打印位置的机构，以及用于释放的机构锤头通过锁定机构从其锁定状态。锁定机构包括用于锁定锤头的锁定构件和用于推动锁定构件以便进行锁定操作的第一弹簧。释放机构包括单个电磁体，第二弹簧，以间隔开的方式面对电磁体，当电磁体被操作时，第二弹簧被移动;与第二弹簧一起移位的锁定构件，与第二弹簧的旋转相应地旋转的解锁凸轮并且接合位移的接合卡爪以进一步移动接合钩，从而释放由锁定构件锁定的锤头的锁定状态。

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