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Class 30/249 - One movable blade


Subclass of Class 30 - Cutlery
Definition: Shears in which only one blade is moved in the cutting operation.
No. of patents: 88
Last issue date: 12/06/2011


1      
NumberTitleIssue Date
8069573Pruning hook with two operation modes
A pruning hook includes an extension shank (30), a blade unit (10) including a fixed blade (12) mounted on the extension shank and a movable blade (13) pivotally connected with the fixed blade, a driving cord (15) connected with th...
12/06/2011
8046924Cutting tool with variable mechanical advantage
A hand-operated cutting tool includes first and second cutting members pivotally connected at a first pivot point, a lever having a longitudinal axis and pivotally connected to the first cutting member at a second pivot point, and a translatable curvilinear pivot co...
11/01/2011
8046925Pruning hook having an energy-saving function
A pruning hook includes an extension shank, a blade unit including a fixed blade mounted on the extension shank and a movable blade pivotally connected with the fixed blade, a driving cord to drive the movable blade, a slide movably mounted in the extension shank to...
11/01/2011
7987603Sniper pole shear
A cutting tool of the scissor type includes a pruning head with fixed counter-blade and movable blade operated by a first cord sliding on sheaves. The pruning head is connected to a telescopic extension pole with two side shells that enclose a trolley carrying two t...
08/02/2011
7716840Tubing cutter
A cutter tool includes first and second elongate members carrying a cutting blade pivotally attached with the second member and slidably attached with the first member to enable cutting a tubular workpiece with an increased mechanical advantage. The tool has a first...
05/18/2010
7658011Lopper
A lopper includes a slender rod and a pruning means mounted on a top of the rod. The slender rod includes an inner tube and an outer tube telescoped mutually such that the inner tube is shiftable in the outer tube for changing the length it jutting out from the oute...
02/09/2010
7441337Pruning shears or corresponding cutters
Pruning shears or corresponding cutters comprising a first elongated handle part, a first blade part arranged as an extension of the first handle part, a second blade part pivoted to the first blade part from a first pivot point, and a second elongated handle part p...
10/28/2008
7322111Brush cutting device
A lever actuated cutting tool that allows ground level cutting of shrubs and small trees from a standing position. The design of the cutting tool takes advantage of the principles of leverage and resistive force, and also incorporates a pendulum swing, to provide a ...
01/29/2008
7293362Drill powered cable cutter
A cable cutter for attachment to a power drill has a housing, first and second cutting blades connected to the housing for movement relative to one another and a drive assembly releasably engageable with the chuck of the drill and operatively engaged with at least o...
11/13/2007
7275323Long-handled grass shears with a detachable connecting device
A long-handled shears with a detachable connecting device has an operational grip stick with an elongated tube and a wire, a grass shears, and a connecting device attached between the grip stick and the grass shears. The ball is attached to the wire of the grip stic...
10/02/2007
7059021Lopper shear with an improved structure
A lopper shear pull-rope grip includes a closed end provided with a bulge. The through hole of the bulge is connected to the hollow notch of the grip, where a rope can penetrate the through hole. And, a slanting board extends downwards from the through hole. The sla...
06/13/2006
7047853Shears
A shearing tool has a fulcrum shaft, a first blade rigidly attached to the fulcrum shaft, a first element also rigidly attached to the fulcrum shaft and spaced apart on the shaft from the first blade, and a second blade contiguous with a second element, the second b...
05/23/2006
7020661Techniques for pruning a data object during operations that join multiple data objects
Techniques for eliminating one or more portions of a data object from any join step of an operation that joins multiple data objects include determining that an operation joins a first data object and a second data object. The second data object includes multiple po...
03/28/2006
7003885Wire nipper
A wire cutter having a handle, a fixed cutting blade mounted on the handle, a lever pivotally connected to the handle, and a stop on the lever for engagement with the fixed cutting blade is disclosed. ...
02/28/2006
6966114Wire nipper
A wire cutter having a handle, a fixed cutting blade mounted on the handle, a lever pivotally connected to the handle, and a stop on the lever for engagement with the fixed cutting blade is disclosed. The wire cutter also includes a spring to bias the lever to an â€...
11/22/2005
6966115Pruning scissors
Pruning scissors comprise a blade and a counter-blade each integral with a grip and mounted so as to be pivoted around a threaded swivel pin cooperating with an adjusting nut of the blade and counter-blade. The nut is rotationally integral with a toothed wheel meshe...
11/22/2005
6935031Gear-driven shears provided with a curved plate on a movable jaw
Gear-driven shears include two grips, the fixed jaw, and the movable jaw and gear wheel module. The fixed jaw and the first grip are connected together at a joint of plate assembly module. The corresponding ends of movable jaw and the second grip are installed on th...
08/30/2005
6904684Strapping packaging device
A strapping packaging device includes a compressing device, a cutting device, a strap-rolling device and a strap-pressing device. The eccentric cam of the compressing device is actuated to rotate by an operating rod, and the eccentric cam presses down a slide base t...
06/14/2005
6901665Pneumatic pruning hook with a telescopic shank
A pneumatic pruning hook with a telescopic shank includes a handle having a chamber defined therein and connected to a compressed air source, a valve mounted in the chamber for selectively allowing the compressed flowing into the chamber. The telescopic shank includ...
06/07/2005
6769183Cable cutting tool
A cable cutting tool includes a first arm having a first jaw member connected to a first handle member and a second arm having a second jaw member pivotally connected to a second handle member. The first and second arms are connected by a fastener and are pivotal wi...
08/03/2004
6748663Lopper
A lopper used to perform lopping, pruning and similar operations includes a lopping head having a spring-biased blade cooperating with a jaw, a drive mechanism connected to the lopping head and an elongate housing connected to the drive mechanism. The drive mechanis...
06/15/2004
6694621Pole-mounted pruning device
A pruning device for cutting tree limbs includes a head assembly mounted atop an elongated pole and activated by a tether line. The head assembly can be pivoted to various angles relative to the pole axis without impairing the effectiveness of the tether ...
02/24/2004
6681492Tree pruner provided with means to facilitate a series of continuous scissors actions on the same incision
A tree pruner includes a first handle, a second handle, a fixed jaw plate, a movable jaw plate, a gear, a check plate, and a push plate. The movable jaw plate is actuated by the gear to bring about a first scissors action in conjunction with the fixed jaw...
01/27/2004
6671963Structure designed to detachably brace a blade portion and handle portion of a tree pruner
A tree pruner includes a blade portion, a handle portion, and a brace portion for fastening detachably the blade portion and the handle portion. The brace portion is formed of a connection member pivoted at one end with the blade portion by a pivot, and a...
01/06/2004
6648746Toe web cutter with stationary blade unit
A toe web cutter has a pivoted inner hooked blade and stationary outer blades adjacent to the sides and end of the inner blade. Cutting edges on the adjacent blades produce an elongated cut to remove the web from between the toes of a carcass. The station...
11/18/2003
6640442Cutting stroke-adjustable pruning shears
A cutting stroke-adjustable pruning shears is constructed to include a fixed jaw and a movable jaw pivoted together, the movable jaw having an elongated slot and a plurality of retaining notches in one long side of the elongated slot, a holder shell, the ...
11/04/2003
6526664Low profile pruning tool
A low profile tree pruning tool is provided having a head assembly coupled to an upper region of an elongated handle member and a pulley coupled to the head where the pulley is configured to rotate about a fixed axis. A lopping mechanism is coupled to the...
03/04/2003
6446343Structure for improving efficiency of a movable jaw of a tree pruner
A tree pruner comprises a support rod, a base mounted on one end of the support rod, a fixed jaw fastened with the base, and a movable jaw pivoted with the fixed jaw. The fixed jaw is provided with an arresting projection. The movable jaw is provided with...
09/10/2002
6385852Tree pruner
A tree pruner includes a fixation seat, a cutter, a link rod, and an auxiliary rod member which is formed of a support rod and an expandable push rod. The support rod is pivoted at one end with the link rod, and at the other end with a locating hole of th...
05/14/2002
6367156Blades for hand held power operated shears
A hand-held power-operated blade-actuating or other work member actuating device, especially useful as shears for processing comestible products such as fowl. A servo mechanism and linkage connected with a movable blade and a finger control causes control...
04/09/2002
6345445Lopping tool and method for lopping
A tool for performing lopping, pruning and similar operations includes a tool support, a tool head, an actuating line and an actuating handle. The tool support preferably includes a pair of telescoping tubes and the tool head includes a blade movable to p...
02/12/2002
6295991Lighter holder and cigar nipper
A cigar cutter and lighter storage device for cutting off an end of a cigar is disclosed. The device has a tubular body with a first end for receiving a disposable lighter and a collar which removably secures the lighter within the body. A cutter element ...
10/02/2001
6272755Extendable tool lock
A tool for performing lopping, pruning and similar operations includes a housing assembly formed of a pair of telescoping tubular sections. The tool also includes a tool head, a head line and an actuating line. The tool head, which is connected to one end...
08/14/2001
6202310Foot operated cutting device
A foot operated cutting device used to perform pruning, shearing, trimming, and similar operations includes a cutting head provided with a spring biased blade cooperating with a jaw, an actuating mechanism in a housing coupled to a foot actuating device. ...
03/20/2001
6185825Cable and wire cutters
Cable and wire cutters of new design have an outside cutter member containing an arcuate cavity within which an inside cylinderical cutter member rotates about a common pivot axis so separate cutting slots in the outside and inside cutter members cross du...
02/13/2001
6178643Hand-held ratchet action tool
A hand-held, ratchet action tool closes together a pair of jaws. A first jaw is fixed in position. A second jaw includes a plurality of ratchet teeth and is mounted to pivot with respect to the first jaw. The ratchet tool further includes a linkage of fou...
01/30/2001
6178644Hollow shaft pruning assembly
A pruner assembly having hollow shaft with a longitudinal axis, a lower end, and open upper end, and a handgrip portion slidable along the longitudinal axis between a first and a second position. A shearing mechanism attaches to said open upper end of the...
01/30/2001
6101725Foot operated cutting device
A foot operated cutting device used to perform pruning, shearing, trimming, and similar operations includes a cutting head provided with a spring biased blade cooperating with a jaw, an actuating mechanism in a housing coupled to a foot actuating device. ...
08/15/2000
6044564Branch cutter tool
A branch cutter tool (1) having two blades (11,12) that are movable in relation to each other, of which one blade (11) is rigidly connected with a housing (2) and the other blade (12) can be moved by an electric motor (5) via a threaded spindle (8), a thr...
04/04/2000
6038773Adjustable length pruning instrument
A portable pruner for cutting limbs comprising a hollow handle assembly having a longitudinal axis, a lower end and an open upper end. The slidable grip portion is slidable along the longitudinal axis between a first and a second position. The cable runs ...
03/21/2000
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