IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0545993
(2012-07-11)
|
등록번호 |
US-8769826
(2014-07-08)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
26 |
초록
▼
A cutting device with an auto-retractable blade, having a housing containing an active blade extendable from a front aperture thereof and a spare blade box therein. An actuator is provided being fixed to an actuator seat contained in and slidable with respect to the housing. The actuator seat has a
A cutting device with an auto-retractable blade, having a housing containing an active blade extendable from a front aperture thereof and a spare blade box therein. An actuator is provided being fixed to an actuator seat contained in and slidable with respect to the housing. The actuator seat has a side protrusion having a front dent defined therein. A blade seat is slidably contained in the housing. The blade seat has an upper fulcrum, a side protrusion, a side blocker, a blade installation plate, a lower fulcrum, and a blade seat return spring. The side protrusion has a front slope and a back tip which is receivable in the front dent of the actuator seat.
대표청구항
▼
1. A cutting device comprising: a housing, said housing having a left cover, a right cover coupling to said left cover, a front aperture for extension of an active blade, a space for storage of spare blades in a rear portion thereof, and a lower cover being able to cover said space,an actuator seat
1. A cutting device comprising: a housing, said housing having a left cover, a right cover coupling to said left cover, a front aperture for extension of an active blade, a space for storage of spare blades in a rear portion thereof, and a lower cover being able to cover said space,an actuator seat contained in and reciprocally slidable along said housing, said actuator seat having an actuator return spring with one end fixed to said actuator seat and the other end fixed to an inner surface of said housing, more than one rib, and one bottom protrusion, said bottom protrusion having a front dent defined thereon,an actuator extending from the housing and fixed to said actuator seat,a blade seat slidably contained in said housing said blade seat having an upper fulcrum, a side protrusion, a side blocker, a blade installation plate having elasticity, a lower fulcrum, and a blade seat return spring having one end fixed to said blade seat and the other end fixed to the inner surface of said housing, said blade installation plate having a rear end fixed to said blade seat and a front end having a side finger and a blade installation pillar formed thereon, said side protrusion having a front slope and a back tip which is receivable in said front dent of said actuator seat,a blade change means having an inner protrusion formed on said inner surface of said housing facing said side finger of said blade installation plate, a top button having a central pivot, a rear end, and a front end leaving a distance to said housing, and,a blade locking means having a sliding bar contained in said housing, and a button extending from said housing. 2. The cutting device as claimed in claim 1, wherein said housing further has a row of teeth and the blade seat further has a lower nib which is able to engage to one of said teeth.
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