[특허]Hand-held, cartridge-actuated cutter

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B26D-001/06
출원번호	US-0414504 (2003-04-15)
발명자 / 주소	Guiette, III, William E. Arnold, Charles W.
대리인 / 주소	Tervo Calif
인용정보	피인용 횟수 : 43 인용 특허 : 8

초록 ▼

Cartridge-actuated cutter ( 10 ), held in a single hand, generally includes frame ( 20 ) and barrel assembly ( 40 ). Frame ( 20 ) includes grip ( 26 ), trigger ( 30 ) firing pin ( 28 ), and pivot mount ( 35 ). Barrel assembly ( 40 ) generally includes barrel ( 41 ), piston ( 70 ), and extractor ( 80

Cartridge-actuated cutter ( 10 ), held in a single hand, generally includes frame ( 20 ) and barrel assembly ( 40 ). Frame ( 20 ) includes grip ( 26 ), trigger ( 30 ) firing pin ( 28 ), and pivot mount ( 35 ). Barrel assembly ( 40 ) generally includes barrel ( 41 ), piston ( 70 ), and extractor ( 80 ). Barrel ( 41 ) includes anvil ( 52 ), cable receiving recess ( 55 ), breech bore ( 61 ) for receiving a cartridge, and longitudinal bore ( 64 ). Piston front end ( 74 ) includes chisel ( 75 ) and stop ( 76 ). Detonation of the cartridge drives piston ( 70 ) forward from a cocked position to cut a cable in recess ( 55 ) against anvil ( 52 ). Extractor ( 80 ) slides rearward to simultaneously eject a cartridge and cock piston ( 70 ). Stop ( 76 ) impacts anvil ( 52 ) simultaneously with chisel ( 75 ). Anvil ( 52 ) is repositionable so as to present different surfaces to chisel ( 75 ). Barrel ( 41 ) includes second pivoting mount ( 45 ) for repositioning recess ( 55 ) relative to frame ( 20 ).

대표청구항 ▼

1. A hand-held, cartridge-actuated cutting device comprising:a frame including:a first side;a second side opposite said first side;a grip for gripping by a user's hand for holding said cutting device;detonating means for detonating a cartridge;trigger means for activating said detonating means; andm

1. A hand-held, cartridge-actuated cutting device comprising:a frame including:a first side;a second side opposite said first side;a grip for gripping by a user's hand for holding said cutting device;detonating means for detonating a cartridge;trigger means for activating said detonating means; andmounting means;a barrel assembly having a longitudinal axis; said barrel assembly including:first mounting means for cooperating with said frame mounting means for mounting said barrel assembly on said frame;a front end including:a laterally opening workpiece receiving recess including:a cradle for holding a workpiece;a rear end including:a breech bore therein for receiving a cartridge;a longitudinal bore including:a rear end in fluid communication with said breech bore; anda front end that opens on said workpiece receiving recess; anda piston in said longitudinal bore having:a rear end; anda front end including:a cutter; said piston reciprocable between a rear position and a forward position and movable to the forward position responsive to detonation of a cartridge such that said cutter moves across said recess for cutting a workpiece held in said cradle; and wherein said barrel assembly is adapted for selectively repositioning said workpiece receiving recess from said first side of said frame to said second side of said frame. 2. The device of claim 1 wherein:said first mounting means of said barrel assembly pivotally attaches said barrel assembly to said frame. 3. The device of claim 1 wherein:said front end of said barrel assembly includesan anvil; and wherein said laterally opening workpiece receiving recess is located to the rear of said anvil such that said cradle holds a workpiece therein adjacent said anvil, and wherein:said cutter includes:a chisel for cutting said workpiece against said anvil. 4. The device of claim 3 wherein:said anvil includes:a first surface; anda second surface, said anvil being selectively repositionable such that either said first surface or said second surface receive said cutter. 5. The device of claim 3 wherein:said barrel assembly includes:a barrel including:a cavity for receiving said anvil including:a compression shoulder that is generally U-shaped in transverse cross section; andsaid anvil is disposed in said cavity and includes:a generally U-shaped compression shoulder for transferring cutting impact to said compression shoulder of said cavity. 6. The device of claim 1 wherein:said barrel assembly includessecond mounting means for cooperating with said frame mounting means for selectively mounting said barrel assembly on said frame so as to reposition said workpiece receiving recess from said first side of said frame to said second side of said frame. 7. The device of claim 6 wherein:said first mounting means of said barrel assembly pivotally attaches said barrel assembly to said frame; andsaid second mounting means of said barrel assembly pivotally attaches said barrel assembly to said frame. 8. The device of claim 3 wherein:said barrel assembly includes:an extractor including:a front end including:chisel engaging means; anda rear end including:cartridge engaging means; said extractor reciprocable between a forward position and a rearward position such that upon movement to the rearward position said chisel engaging means engages said chisel and moves said chisel to the rear position and said cartridge engaging means engages a cartridge in said breech bore and extracts the engaged cartridge. 9. The device of claim 3 wherein:said piston front end includes:an impact surface for impacting said anvil simultaneously with said chisel so as to lessen damage to said anvil. 10. A hand-held, cartridge-actuated cutter comprising:a frame including:a first side,a second side opposite said first side;a grip for gripping by a user's hand for holding said cutter;detonating means for detonating a cartridge;trigger means for activating said detonating means; andmounting means; anda barrel assembly including :a barrel having a longitudinal axis, said barrel including:first mounting means for cooperating with said frame mounting means for mounting said barrel assembly on said frame;a front end including:an anvil; anda laterally opening workpiece receiving recess to the rear of said anvil including: a cradle for holding a workpiece adjacent said anvil;a rear end including:a breech bore therein for receiving a cartridge;a longitudinal bore including:a rear end in fluid communication with said breech bore; anda front end that opens on said workpiece receiving recess; anda piston in said longitudinal bore having:a rear end; anda front end including:a chisel, said piston reciprocable between a rear position and a forward position and movable to the forward position responsive to detonation of a cartridge such that said chisel moves across said recess for cutting a workpiece held in said cradle; and an extractor mounted to said barrel including:a front end including:chisel engaging means; anda rear end including:cartridge engaging means, said extractor reciprocable between a forward position and a rearward position such that upon movement to the rearward position said chisel engaging means engages said chisel and moves said chisel to the rear position and said cartridge engaging means engages a cartridge in said breech bore and extracts the engaged cartridge. 11. The device of claim 10 wherein:said barrel includes:second mounting means for cooperating with said frame mounting means for selectively mounting said barrel assembly on said frame so as to reposition said workpiece receiving recess from said first side of said frame to said second side of said frame. 12. The device of claim 11 wherein:said first mounting means of said barrel assembly pivotally attaches said barrel assembly to said frame; andsaid second mounting means of said barrel assembly pivotally attaches said barrel assembly to said frame. 13. A hand-held, cartridge-actuated cutter comprising:a frame including:a first side;a second side opposite said first side;a grip for gripping by a user's hand for holding said cutter;detonating means for detonating a cartridge;trigger means for activating said detonating means; andmounting means; anda barrel assembly having a longitudinal axis, said barrel assembly including:first mounting means for cooperating with said frame mounting means for mounting said barrel assembly on said frame;a front end including:an anvil; anda laterally opening workpiece receiving recess to the rear of said anvil including:a cradle for holding a workpiece adjacent said anvil; a rear end including: a breech bore therein for receiving a cartridge; a longitudinal bore including: a rear end in fluid communication with said breech bore; and a front end that opens on said workpiece receiving recess; and a piston in said longitudinal bore having:a rear end; anda front end including: a chisel; and an impact surface; said piston reciprocable between a rear position and a forward position and movable to the forward position responsive to detonation of a cartridge such that, upon movement to the forward position, said chisel moves across said recess for cutting a workpiece held in said cradle against said anvil and said impact Surface impacts said anvil simultaneously with said chisel so as to lessen damage to said anvil. 14. The cuter of claim 13 wherein:said barrel assembly includes:second mounting means for cooperating with said frame mounting means for selectively mounting said barrel assembly on said frame so as to reposition said workpiece receiving recess from said first side of said frame to said second side of said frame. 15. The cutter of claim 14 wherein:said first mounting means of said barrel assembly pivotally attaches said barrel assembly to said frame; andsaid second mounting means of said barrel assembly pivotally attaches said barrel assembly to said frame.

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[미국특허] Hand-held, cartridge-actuated cutter 원문보기

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