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Class 30/261 - Spring opened or closed


Subclass of Class 30 - Cutlery
Definition: Shears in which a spring is provided to either open or close
No. of patents: 64
Last issue date: 05/06/2008


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NumberTitleIssue Date
7369023Method for manufacturing a magnet armature
A method for manufacturing magnet armatures which are used mainly in brake-pressure modulators of electronically controlled brake systems and which are provided on their entire surface with a plastic coating, for reasons of dimensional stability and sliding properti...
05/06/2008
7346986Cutting tool for flexible conduit
A tool for cutting flexible plastic conduit having a pair of pivotally attached handles. One of the handles includes a cutting blade. The cutting blade cooperatively associates with an anvil located on the other handle. The cutting blade and anvil form a cutting jaw...
03/25/2008
7178245Gardening shears having energy-saving effect
A pair of gardening shears include a first handle, a first cutting member, a second cutting member, and a second handle. Thus, when the second cutting member is movable toward the first cutting member to perform the cutting action, the linking rod of the second cutt...
02/20/2007
7168168Knife protection device used in cutting device
A knife protection device used in a cutting device; the cutting device has a tool body; the tool body having a cutting section and a handle; the cutting section having at least one cutting portion. The knife protection device comprises a protection unit installed on...
01/30/2007
7156278Auxiliary soldering tool
An auxiliary soldering tool includes a first jaw plate having a first holding portion and a first holding portion, a second jaw plate having a second holding portion and a second holding portion, and two elastic press plates each respectively rested on the first hol...
01/02/2007
7124508Scissor cap and scissors
A pair of scissors including a pair of scissor pieces, each having a handle and a blade, and a pin, which connects the two scissor pieces so that they may be opened and closed. The cutting edges of the two blades intersect each other at an intersecting point that mo...
10/24/2006
7051627Folding multipurpose tool including blade lock release mechanism
A folding multipurpose tool incorporating a latch release mechanism including a lever, a cam, and a rocker-shaped grip body to easily effect release of a catch for holding knife or screwdriver blades extended. spring and cams are arranged to hold a pair of handles e...
05/30/2006
7014387Shaft drive coupling
A single piece coupling device for connecting a load component to a rotatable shaft. The device comprises a sleeve having a bore for containing a rotatable shaft, an externally threaded portion and a tapered engagement face on the outer surface of the sleeve. Radial...
03/21/2006
7003882Nail clipper
A nail clipper 10 includes a fixed blade member 2 and a movable blade member 3. The fixed blade member 2 in a form of a curved plate has a curved face for enabling a finger tip F to be contacted with the curved face, a nail insertion groo...
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
6964099Gardening shears having two pruning effects
A pair of gardening shears include a blade assembly including two blades, and a handle assembly pivotally mounted on the blade assembly and including a first handle and a second handle. Thus, the gardening shears have two blades each having two cutting portions havi...
11/15/2005
6926727Surgical blade for use with a surgical tool for making incisions for scleral eye implants
A surgical blade is disclosed for use with a surgical tool for making incisions in the sclera of an eye to form a scleral pocket to receive a scleral prosthesis. The surgical blade comprises a rotatable support arm capable of being rotated by the surgical tool and a...
08/09/2005
6860017Single-spring or double-spring biased nipper
A nipper is disclosed, having handles outwardly-biased by a spring and a removable, flexible lever member can be a second spring. The biasing force can thereby be adjusted by employment or removal of flexible lever member. ...
03/01/2005
6725547Gardening shears
A pair of gardening shears include a blade fastened to one end of a first handle, and a fixed jaw plate fastened to one end of a second handle which is pivotally fastened to the first handle by a pivoting member. The pivoting member is formed of a pivot and a nut wh...
04/27/2004
6643937Gardening shears
A pair of gardening shears includes a fixed handle, a fixed jaw, a movable handle, a movable jaw, and a pivoting member for pivoting the fixed jaw and the movable jaw together. The pivoting member is formed of a bolt, a nut, and a collar for preventing si...
11/11/2003
6598300Structure for a locating pivot of shears
A pivoting structure is provided to pivot together a first working block, a cutting blade, and a second working block of a pair of shears in such a manner that the cutting blade and the second working block work against each other to effect the scissors a...
07/29/2003
6591506Hand operated end cutting sheet metal shear
This invention describes a hand operated, end cutting, sheet metal shear that makes cuts perpendicular to the axis of the tool handle. The shearing surfaces consist of a moving shear blade with a fixed rake angle and shear angle, cutting along a blunt anv...
07/15/2003
6592603Manually adjustable scissors or forceps
A micro-surgical forceps having a handle and integral spring arms that are interconnected at the end of the forceps remote from said blades in a tongue and groove arrangement that allows for operation of the forceps with a minimum of finger pressure. Plas...
07/15/2003
6523266Shears
A pair of shears has a pair of handles, a pair of front connection portions, and a pair of cutting devices. Each front connection portion is disposed on a front portion of the respective handle. Each front connection portion has a through hole and a throu...
02/25/2003
6457241Ergonomic scissors
In these scissors (1), one of the branches (2) entails a resting part (7) for the four fingers of the hand excluding the thumb, while the other branch (3) entails a resting part (8) for the thumb. The resting part (7) shows an exterior lateral face (7a) t...
10/01/2002
6370780Spring-biased cutting tool for plastic pipes
A spring-biased cutting tool for plastic pipes. The tool includes two elongated members pivotally connected to each other in a scissors-like manner. Each elongated member has a handle portion and a jaw portion with one jaw portion including a knife blade ...
04/16/2002
6336272Scissors structure
A scissors structure includes a first blade portion, a second blade portion, a restoring spring, and a substantially I-shaped locking member. The first blade portion includes a first handle defining a first chamber having a front end provided with a first...
01/08/2002
6301787Shear with sliding lock mechanism
A locking mechanism for scissors-type shear allows closing and locking of the shear even when the locking element is placed in a locked position before the shears are closed. The shear includes first and second blade assemblies pivotably connected to one ...
10/16/2001
5979061Hand-actuated scissors
A hand-actuated scissors useable by an individual whose hands and fingers are weak or impaired and therefore experience difficulty in operating a conventional scissors. The scissors include a pair of blades whose cutting edges face each other, the blades ...
11/09/1999
5950314Step-separating shearing tool
A step-separating shearing tool includes a first handle and a second handle. A first blade portion is connected to the first handle, and a second blade portion, which includes an L-shaped slot, is hinge-connected to the first blade portion and to the firs...
09/14/1999
5946752Spring biased implement for use in multi-function tools
A multi-function tool includes a spring biased implement which can be stored within the handle of the multi-function tool when not in use. The implement includes first and second members pivotally attached at a pivot. The implement further includes a spri...
09/07/1999
5904078Pliers with flush joint bias spring
A slip-joint pliers has crossed pivoting levers joined at pivot portions thereof by a flat-sided bolt extending through openings in the levers and engaged with a nut, one of the openings being elongated and generally dumbbell-shaped to accommodate the sli...
05/18/1999
5893307Pliers with biasing element
A pair of pliers including a first plier element having a first handle portion and a first jaw portion defining a plurality of first protections. A deflected beam biasing element including a distal end is integrally formed with the first plier element. A ...
04/13/1999
5860568Normally-closed nozzle tip trimmer
A dispensing apparatus, such as a caulking gun, includes an elongated handle having a U-shape cross section to define an internal space. A support member is mounted on the handle configured for receiving a dispensing cartridge having a nozzle at one end a...
01/19/1999
5813417Hair cutting method
A hair cutting method includes positioning a strand of hair between normally open blade ends of a scissors. The scissors have a pair of elongated members, each member having a blade end, an intermediate gripping section, and a spring end. Each blade end h...
09/29/1998
5787589Cutting shears particularly secateurs
Cutting shears or pruning shears have one handle longer than the other handle. The tool can be used with two hands when cutting a cut-resistant object while maintaining the handiness and lightness of pruning shears for one hand....
08/04/1998
5720103Self-opening finger inserts for scissors and shears
A pair of self-opening scissors or shears, or an attachment which can be used with conventionally designed scissors or shears, particularly of the kind used by barbers or the like. The invention uses a pair of inserts for the finger holes of the scissors,...
02/24/1998
5628115Cutting tool
A cutting tool designed for hand cutting/harvesting of grapes and trimming shrubs and flowers. It has two elongated members pivotally secured together at a locus axis passing perpendicularly through their respective head portions. The surfaces of the resp...
05/13/1997
5592743Shock absorber for scissor action tool
The present invention relates to scissor action tools such as garden shears or the like which are provided with a pair of cooperatively engaging members united for scissor action about a joint. In particular, this invention relates to tools of the type pr...
01/14/1997
5498095Press fitted flexural pivot joint
A flexural pivot joint includes two pivoting members, which may be levers of a pivotal hand tool, and two substantially identical flexible blade elements, each substantially Z-shaped and having opposite ends respectively connected to the pivoting members....
03/12/1996
5297343Trimming scissors and sheath assembly
A scissors including a first handle assembly and a second handle assembly pivotally interconnected for movement between open and closed positions. A latch mounted on one of the handle assemblies for movement into engagement with the other of the handle as...
03/29/1994
5214854Spring-biased nipper
A spring-biased nipper has a pair of handles connected for pivoting movement toward and away from each other. A helical spring has first and second cylindrical ends and a relatively wide central portion which tapers toward each end. One end of the spring ...
06/01/1993
5203084Structure for scissors with pincer-clip
An improved structure for a pair of scissors with pincer-clip, especially for the control of the scissors' opening angle when it's opened, and the locking of the scissors when it's closed. This pair of scissors with pincer-clip can achieve its function by...
04/20/1993
5193277Scissors gun
A scissors gun having a handle, a movable blade pivotally interconnected with a stationary blade which is joined to the handle, and an elastic member compressibly interposed between the rear end portions of the stationary blade and the movable blade so th...
03/16/1993
5093996Ergonomic scissors
A scissors which may be utilized by persons having weakened hand muscles is disclosed. The scissors comprises first and second blade elements. Each of the blade elements includes a front portion having a sharp cutting edge, a middle portion and a rear por...
03/10/1992
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