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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7383716 | Tube bender and method of using same A tube bender comprising a mandrel, a forming member connected to the mandrel for coaction with the mandrel to effectuate bending of a tube wherein the forming member has at least two bending positions defined thereon, a handle pivotally connected to said forming me... | 06/10/2008 |
| 7299671 | Bending device for bending machine A bending device for bending machine comprises a matrix (2), a countermatrix (6), and a die (7) able to prevent wrinkles. A countermatrix-holder support element (8) is fixed on an upper slide (10), which is slidable transversally t... | 11/27/2007 |
| 7293444 | Bending apparatus for rod-shaped and tubular workpieces A bending apparatus for rod-shaped and tubular workpieces, includes a rotatable bending mandrel with a bending groove is provided with a wrinkle smoothener, which immediately precedes the bending mandrel, and two sliding jaws. In order to change the bending directio... | 11/13/2007 |
| 7269988 | Bending machine A bending machine according to the present invention include: a first fixture member 22 for holding one end portion of a long work 20; a second fixture member 24 for holding the other end portion of the work 20; a rack 30 mounted o... | 09/18/2007 |
| 7213430 | Tube bending machine and its right and/or left bending device A tube-bending machine including a bending arm that is provided with a jaw support that moves horizontally in a direction of a bending head, whereby said jaw support is integral with a clamping jaw assembly that comprises at least one jaw for bending a tube clockwis... | 05/08/2007 |
| 7171834 | External sleeve assisted tube bending A method and apparatus for bending tubes particularly suited for bending thin-walled tubing into a tight radius bend. An external sleeve is used during the bending process which maintains the tube cross sectional area and tube wall thickness, thereby eliminating the... | 02/06/2007 |
| 7150175 | Clamp assembly for bend arm of tube bending machine A clamping assembly for use with a bend arm of a tube bending machine. The assembly comprises a force multiplier linkage that applies a controlled and variable force to a workpiece. In one embodiment, the force multiplier linkage comprises a bearing member pivoted b... | 12/19/2006 |
| 7134310 | Tube bender A tube bender includes a worktable, a rail on the worktable, a tube-pushing device and a tube-bending device. The tube-pushing device is positioned on the worktable, having a moving base and a clamper at one side of the moving device. The clamper clamps a tube being... | 11/14/2006 |
| 7131306 | Bending machine die provided with a vise for clamping an elongated workpiece to be bent A vise for clamping an elongated workpiece to be bent on a die (2) of a bending machine includes a movable jaw (35), provided with a clamping portion (51) approachable to and removable from the circumferential groove (4) of the die (2 | 11/07/2006 |
| 7076982 | Concentric bore bend die and clamp insert assembly A concentric bore bend die and clamp insert assembly including a bend die and a clamp insert positioned within a recess formed in the bend die in a tube clamping area of the bend die. The clamp insert includes a curved portion matingly received within a correspondin... | 07/18/2006 |
| 7028521 | Pipe feeding mechanism of an automatic pipe bender A pipe feeding mechanism includes a rack, a power source, first and second planetary gears, a clutch for releaseably securing an output shaft to an input shaft in the first planetary gear, and a brake for releaseably blocking rotation of a sun gear of the first plan... | 04/18/2006 |
| 7017380 | Bending assembly for bending machine A bending assembly on a bending machine for the bending of rod and/or bar-shaped workpieces (8) includes a bending tool (10) and a bending drive unit (11) with a swivel arm (21) and a bending-drive motor (22). The bending tool (... | 03/28/2006 |
| 7010951 | Feeding mechanism of an automatic pipe bending machine A feeding mechanism of a pipe bending machine is equipped with several auxiliary hydraulic cylinders in addition to an original power source for providing power to feed a pipe; the auxiliary hydraulic cylinders are joined to an auxiliary fixing member at output rods... | 03/14/2006 |
| 6976378 | Bending machine A bending machine according to the present invention include: a first fixture member 22 for holding one end portion of a long work 20; a second fixture member 24 for holding the other end portion of the work 20; a rack 30 mounted o... | 12/20/2005 |
| 6883360 | Tube bender and method of using same A tube bender comprising a mandrel, a forming member connected to the mandrel for coaction with the mandrel to effectuate bending of a tube wherein the forming member has at least two bending positions defined thereon, a handle pivotally connected to said forming me... | 04/26/2005 |
| 6220069 | Method and apparatus for bending tubing A bend die assembly includes a bend die and a clamp block assembly. The bend die is reversible and includes a T-shaped projection which extends outward from the bend die. The clamp block assembly includes a first clamp block and a mating second clamp bloc... | 04/24/2001 |
| 5979204 | Quick change tooling method and apparatus A quick change tooling method and apparatus has been devised for tube bending operations in which the bend die, clamp die and pressure die as well as mandrel and wiper die, if required, are preassembled along with a tube corresponding to the tube to be be... | 11/09/1999 |
| 5950474 | Bending apparatus A bending apparatus has a die, a first clamp for clamping an elongate work piece into engagement with the die forward of the transverse center line of the die on one side of the die and a second clamp for clamping the elongate work piece into engagement w... | 09/14/1999 |
| 5918496 | Adjustable clamp die for tube bending machine A clamp die apparatus for co-operating with the bend die of a tube bending apparatus during tube bending has a support bolster adapted for adjustable mounting on a bend arm of a tube bending machine and a primary clamp die rigidly mounted on the support b... | 07/06/1999 |
| 5916319 | Method to cold-bend resin-coated ribbed steel pipes A resin-coated ribbed steel pipe that is provided with an axially extending rib that is made from the same material as the coating and forms a hold groove is fed forward and bent along with the rotation of a shaping roller that is provided with an accommo... | 06/29/1999 |
| 5873278 | Multi-row pipe bending apparatus A multi-row pipe bending apparatus has a plurality of rows of pipe bending devices each including a pipe bending unit having at least one bending die, and clamping and pressure dies for securing to the bending die a pipe to be bent. Each bending device in... | 02/23/1999 |
| 5694800 | Perfected counterdie for pipe bending machines Improved counterdie for pipe bending machines, that has an approximately semicylindrical configuration in the working zone, with its frontal walls in a progressive ramp that becomes more pronounced in the vicinity of the exit zone, and provided with a lon... | 12/09/1997 |
| 5495740 | Pipe bending machine The pipe bending machine comprises a rotatable bending template (14) and a pivot arm (21) pivotable about the axis of the bending template and supporting a clamping jaw (22). In order to be able to perform rightward bending as well as leftward bendings of... | 03/05/1996 |
| 5469728 | Shaped groove countermatrix for rotary groove pulley matrix and countermatrix bending head pipe bending machines A shaped groove countermatrix for a rotary groove pulley matrix and countermatrix head pipe bending machines has a semicircular cross-sectional tract and an end tract (2) tapered, both longitudinally and transversely according to substantially elliptic pr... | 11/28/1995 |
| 5345802 | Shaped groove countermatrix for rotary groove pulley matrix and countermatrix bending head pipe bending machines A shaped groove countermatrix for a rotary groove pulley matrix and a countermatrix head pipe bending machine has a semicircular cross-sectional tract and an end tract (2) tapered, both longitudinally and transversely, according to substantially elliptic ... | 09/13/1994 |
| 5315852 | Rotary draw bending apparatus and method A rotary die pipe bending apparatus comprising a bend die mounted for rotation about a bending axis and a clamp die for clamping a pipe to the bend die. The clamp die holds the pipe to be bent as the bend die and the clamp die rotate about the bending axi... | 05/31/1994 |
| 5284041 | Method for bending tubes using split die Method and apparatus for bending metal tubes such as for furnace heat exchangers. After the bend die is rotated 180° to make a bend, an upper section of the bend die is split from a lower section, and the upper section is then rotated approximately 90°.... | 02/08/1994 |
| 5226305 | Articulated split roller assembly for tube bender Briefly, and in accordance with the foregoing, the present invention comprises a roller assembly for use with a bending apparatus for bending conduit and the like. The bending apparatus includes a frame, a bending shoe associated with the frame and a driv... | 07/13/1993 |
| 5187963 | Tube bending die A bending die for forming a 180° bend in a tube includes a center die and a shiftable block pivotally mounted to the center die grooves are defined on opposing sides of the center die and shiftable block for supporting the tube while being bent. The groo... | 02/23/1993 |
| 5010758 | Bending machine A bending machine comprising a feed mechanism and a bending assembly mounted on a base block for bending an elongate workpiece such as a pipe or the like. The feed mechanism includes a member for holding a rear portion of the workpiece, and the bending as... | 04/30/1991 |
| 4899567 | Method and apparatus for bending tubes with end fittings A bending die and a method of using the die to bend a pipe or the tube closely adjacent to an end of the tube having an end fitting is described. The bending die has a bending die member with a generally circumferentially extending groove around which the... | 02/13/1990 |
| 4888971 | Pipe bending machine A pipe bending machine having a support, a bending template, a clamping jaw displaceable relative to the bending template, a clamping member for a pipe, and clamping bodies each provided in a respective one of the bending templates and the clamping jaw an... | 12/26/1989 |
| 4821549 | Tube bending machine In a tube bending machine including a bending template having a groove receiving a tube portion to be bent and a clamping jaw cooperating with the bending template to bend the tube portion, the template and the clamping jaw each includes a clamping elemen... | 04/18/1989 |
| 4788845 | Pipe bending machine A pipe bending machine comprises a longitudinally extending machine frame having an upper side, a feeding carriage movable at an upper side of the machine frame and carrying device for clamping a pipe, a bending head provided on one end of the machine fra... | 12/06/1988 |
| 4765168 | Method and apparatus for bending tubing Tube bending apparatus in which a tube is clamped between a U-shaped bend die and a cooperating pressure die, the pressure die being advanced in a linear direction as the bend die is rotated, a tube groove in each of the dies embracing diametrically oppos... | 08/23/1988 |
| 4744233 | Apparatus for bending rectangular tubes A bending apparatus is provided for rectangular tubes. The apparatus comprises a bending die, a wiper die, a clamp die, a pressure die and a mandrel. The clamp die and pressure die are provided with tongues which are engageable in corresponding grooves in... | 05/17/1988 |
| 4691555 | Tube bending tool A tube bender has two readily connectable and detachable members. A base member has a block with two parallel grooves. The tube groove is formed in an arc having the radius of the desired bend and a cross-section with a radius corresponding to the tube di... | 09/08/1987 |
| 4567745 | Tube bending machine A tube bending machine comprises a bending table carrying a bending template and a clamping jaw for receiving a tube to be bent therebetween. The template and the clamping jaw are each formed with a recess to receive various clamping members. Each clampin... | 02/04/1986 |
| 4563891 | Pipe bending machine Disclosed is a pipe bending machine which for the purpose of increasing the freedom of bending operation, is provided with a stand which supports longitudinally extending flat supporting beam of a relatively low height. The forwardly projecting part of th... | 01/14/1986 |
| 4546632 | Portable conduit bending apparatus A portable electric driven conduit bender which accommodates rigid, IMC and thinwall conduit of various sizes in a single setup includes a rotatable, cone-shaped bending shoe, and a roller assembly for supporting conduit during bending. The bending shoe h... | 10/15/1985 |
