Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7418785 | Compact dispensing tube opener A compact dispensing tube opener for accessing contents of a dispensing tube having a dispensing tip and an inner seal. The opener includes a housing with first and second passageways therein meeting at an angle at an intersection. A blade carriage is movable in the... | 09/02/2008 |
| 7313868 | Cutoff tool In a cutoff tool, a hood is arranged to overlap a distal end portion of a cutting blade, and a distal end portion of the hook is arranged to protrude from a toothed portion of the cutting blade. When the cutting blade retracts farthest in a uniaxial direction, the d... | 01/01/2008 |
| 7263775 | Illuminating nail clipper An illuminating nail clipper for clipping the nails of an animal such as a dog, cat, bird, or the like which allows for the clipping of an individual nail at the desired length to prevent injury or improper length cutting for the animal. The device includes a hand-a... | 09/04/2007 |
| 7001403 | Saw blade for medical applications A saw blade for medical, in particular surgical, applications having a recess for mounting the saw blade inside a saw which exerts an saw movement, especially an oscillating saw movement, to the saw blade. In order to improve the dynamic behavior of the saw blade, l... | 02/21/2006 |
| 6928739 | Tool force transmitting method and apparatus A method and apparatus for transmitting a force around a corner is provided. The apparatus includes a force transmitter comprising a first and second rounded end, a connecting member connecting the first and second rounded ends having a smaller diameter than the fir... | 08/16/2005 |
| 6869001 | Device for the maintenance of semi-autogenous grinding mills used in large-scale mining A nut cold cutter devise is used in the assembly and maintenance of semi-autogenous grinding mills for large-scale mining. The device includes a front body, a back body and a hydraulic cylindrical chamber located between the front and back bodies. The front body has... | 03/22/2005 |
| 6553670 | Plastic pipe cutter A plastic pipe cutter. The cutter includes a front recess for clamping a workpeice, a front chamber, a rear chamber in communication with the front chamber, a bar shaped cutting device including a front blade, a rear head, and a central shank extended thr... | 04/29/2003 |
| 6249979 | Orbital reciprocating saw An orbital reciprocating saw comprising a housing, a motor, a spindle movably supported within said housing and having a front end adapted to support a saw blade, a reciprocating drive assembly, an orbital drive assembly connected to said spindle to selec... | 06/26/2001 |
| 5890291 | Enclosed blade fixture for cutting hoses A cutting device embodying a housing that fully encloses the knife blade in its retracted position. The cutting device has access slots in the sides of the housing that provide access to the interior of the housing without having to disassemble the housin... | 04/06/1999 |
| 5873881 | Linear drive dermatome The dermatome includes a blade assembly comprising a metal blade with fixedly attached thermoplastic carrier. The assembly is releasably mounted to the dermatome housing. A linear drive mechanism-that includes guide members and spring biasing of the blade... | 02/23/1999 |
| 5862593 | Pipe cutter having a configuration for easily replacing cutter blade A pipe cutter includes a slide slideably engaged in a housing and a cutting blade secured to the slide. A hand grip may move the cutting blade forward gradually for cutting a pipe. The housing includes one or more openings for engaging with one or more fa... | 01/26/1999 |
| 5826473 | Device for cutting a wire laid on a substrate A continuous strand of wire is laid in a wire groove or between pairs of guides on a substrate and is cut at desired locations to form individual circuits. At least one recess below the level of the wire laying plane is positioned to correspond to a scrap... | 10/27/1998 |
| 5711078 | Portable emergency rescue cutting and crimping tool A tool for severing or crimping a workpiece includes a rigid mainframe having an elongate grooved channel running through most of its length. A wedge-shaped upright rigid head forms the front portion of the mainframe. The rear portion of the mainframe has... | 01/27/1998 |
| 5479710 | Nut splitters A nut splitter (FIG. 1) incorporates a cutter blade (11), the working edge (16) (FIG. 4) of which is of a blunt, rounded profile. The blade (11) is preferably an equilateral triangle in section, with a cutting edge (16) formed at each apex, thereby enabli... | 01/02/1996 |
| 5465490 | Rescue chopping tool A cutting type rescue tool having a body with an axis of actuation. A spacer on the body spaces a reaction arm, which reaction arm extends across the axis. An actuator barrel contains a piston from which a piston rod extends to a cutting blade that faces ... | 11/14/1995 |
| 5205041 | Device for removing a peduncle from a printed circuit board A device (10) for removing a connecting peduncle (28) passing through a separation slot (42) between two printed circuit boards (26, 27) includes a reciprocating moving element (13) having a cutting face (14) thereon formed on a undersurface of a projecti... | 04/27/1993 |
| 5070616 | Hydraulic type pipe cutter A pipe cutter includes a mouth formed in the front portion of a body for receiving a pipe to be cut, a handle pivotally coupled to the body and located in front of a grip, an upper cylinder and a lower cylinder coupled together, a container disposed in th... | 12/10/1991 |
| 4845849 | Pipe cutter with a guided blade for plastic pipes cylindrical or not A manual appliance for cutting pipes made of plastic, such as polyethylene, comprising a cutting blade mounted on a blade-holder moving under the action of a control screw between the two parallel branches of a guide saddle closed by means of a completely... | 07/11/1989 |
| 4707917 | Methods and apparatus for cutting rod-like objects Objects are received between first and second cutting elements of a cutter, which is suspended via the first cutting element from a rod-like object to be cut. The first cutting element, which preferably is formed as a cutter suspension including a cutting... | 11/24/1987 |
| 4698909 | Fastener splitter device A splitter device for splitting a nut or other fastener comprises a frame (20) guiding a cutter (30) for movement against a nut held by an abutment end portion (24) of the frame. The cutter has two spaced parallel blade edges (35) so that the fastener is ... | 10/13/1987 |
| 4577407 | Dehorner The invention is a dehorner for removing horns from the skulls of cattle or the like comprising a frame with a cutting side defining a plane and an operator side and having a fixed blade and a reciprocating blade which is projected toward the fixed blade ... | 03/25/1986 |
| 4443941 | Intramedullary pin cutting instrument An instrument for cutting elongated pins used in orthopedic surgery includes a housing having a reduced diameter portion in which is disposed a piston reciprocable in a fluid chamber. An enlarged diameter portion of the housing forms a further part of the... | 04/24/1984 |
| 4285126 | Hydraulically actuated apparatus A multipurpose, hydraulically actuated apparatus comprising a piston movable in response to fluid under pressure within walls defining a piston chamber. Actuating fluid is supplied to the piston chamber by a uniquely constructed hand operated fluid pump. ... | 08/25/1981 |
| 4246699 | Nut cutting or nut breaking tool A nut cutting tool in which a cutting head includes a yoke for embracing a nut to be cut and for supporting a fixed blade as close as possible to the nut, the cutting head guidably supporting a moveable cutter in a cutting plane toward the fixed blade and... | 01/27/1981 |
| 4179807 | Hand tool for cutting an optical fibre The invention relates telecommunications. It concerns in particular the cutting of optical fibre. It provides a hand tool which is generally shaped like pincers whose two legs move apart during operation, the optical fibre being fixed to each of the free ... | 12/25/1979 |
| 4135299 | Ring cutting tool A tool for cutting a ring worn on the finger to effect removal of the ring from the finger. The tool includes a tool housing and a tool body movable with respect to the housing. The tool housing carries a first chisel type knife edge which is stationary d... | 01/23/1979 |
| 4069582 | Johnny bolt cutter The cutter designed for the cutting of sunken bolts for the purpose of removing said bolts with nuts rusted thereon is comprised of a U-bolt having a head plate slidably mounted on the said U-bolt, a pair of jaw plates slidably mounted on the said U-bolt ... | 01/24/1978 |
| 4057897 | Portable hydraulic tool useful for cutting nuts A portable device for cutting and removing nuts, has two hydraulic assemblies connected by a high pressure, flexible hydraulic line. At one end of the line is a light hand-powered hydraulic pump, effective at any orientation. Attached to the other end of ... | 11/15/1977 |
| 3992777 | Tool for releasing a nut threaded onto a bolt There is disclosed a tool comprising a body having an opening which may be moved over a nut threaded onto a bolt and a surface on the opening to support the flat side of the nut, a bore in the body connected at one end with the opening opposite the suppor... | 11/23/1976 |
| 3943947 | Toe nail clipper for dogs and other animals This device consists primarily of a manually operated clipper having a plastic member with an integral and internally threaded sleeve which receives an adjustable and threaded plug, providing floor means which will vary in depth.... | 03/16/1976 |
