Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7900524 | Monitoring tools Disclosed is a system for monitoring operation of a hand tool including an accelerometer coupled to the hand tool, a transmitter in data communication with the accelerometer, and a processor for receiving data from the transmitter and analyzing the data to detect an... | 03/08/2011 |
| 7836781 | Torque-setting device A torque-setting device includes a handle with grooves defined in an internal side, a driving unit attached to the handle, a strain gauge connected to the driving unit, a strain spring abutted against the strain gauge, a nut abutted against the strain spring, an axl... | 11/23/2010 |
| 7832286 | Torque wrench The invention seek to enable to share main components other than a tightening unit even in use for different effective lengths corresponding to ranges of tightening torques. There are provided: a tightening unit 10 such as a ratchet; a housing 20 havin... | 11/16/2010 |
| 7694587 | Torque wrench The invention seek to enable to share main components other than a tightening unit even in use for different effective lengths corresponding to ranges of tightening torques. There are provided: a tightening unit 10 such as a ratchet; a housing 20 havin... | 04/13/2010 |
| 7685889 | Multi-function digital tool A multi-function digital tool includes a body portion positioned between a handle portion and a driving portion; said driving portion having a driving head; a space provided for installing a electronic mechanism inside said body portion; and a volume provided for in... | 03/30/2010 |
| 7552653 | Load-sensing system with at least one ball and socket joint A load-sensing system is provided with at least one ball and socket joint and a ball and socket joint for load sensing is provided. The ball and socket joint of the load-sensing system has a joint housing, in which the joint ball of a ball pivot (1) can be re... | 06/30/2009 |
| 7392711 | Insertable strain gauge spanner An insertable strain gauge spanner which comprises a spanner body having a rod body and a driving head insertable into the rod body; the rod body having a handle and an inserting opening at one end thereof; the inserting opening can be received the driving head; the... | 07/01/2008 |
| 7380472 | Hand tool with torque measuring device A hand tool includes a handle and a function head is connected to an end of the handle. A first recess and a second recess are respectively defined in two opposite sides of the handle, and a strain transducer is engaged with the first recess. A display member and a ... | 06/03/2008 |
| 7380473 | Hand tool with torque detection device A hand tool includes a handle and a function end wherein a driving member is rotatably engaged with a through hole defined in the function end so as to output a torque to tighten or loosen an object. A ratchet mechanism including a pawl for engaging with the driving... | 06/03/2008 |
| 7367250 | Digital beam torque wrench A digital beam-type torque wrench has a main beam and a stationary beam having a distal end thereof fixedly attached at or near a distal end of the main beam. A sensing assembly is disposed generally at a proximal end of the main beam and includes a displacement sen... | 05/06/2008 |
| 7336048 | Method for operating a power tool In a method for operating a power tool with an energy accumulator, in particular a rechargeable energy accumulator, which supplies power to an electric drive motor, a clock frequency is generated by an electronic unit, with which a gate of a MOSFET—which supplies ... | 02/26/2008 |
| 7275450 | Tightening torque measuring unit and torque indicating tightening device A tightening torque measuring unit (4) has an inner shaft (31) connectable to a first output shaft (12) of a tightening device main body (1) and an outer shaft (32) connectable to a second output shaft (13) of the body. The ... | 10/02/2007 |
| 7263902 | Replaceable electronic spanner A replaceable electronic spanner comprises a spanner body; at least one electronic device being installed to the spanner body; each electronic device being installed with a display; at least one end of the spanner body being formed with an inserting opening; one sid... | 09/04/2007 |
| 7252013 | Brazed joint torque test apparatus and methods A method and device for testing a substantially cylindrical tool having an axis is performed by imparting a testing torque to the cylindrical tool. The tool is clamped in a vise. The tool has a driven end including a shank and a working end in opposed relation along... | 08/07/2007 |
| 7249526 | Torque detection device for power tools A torque detection device on a power tool includes at least one resistive strain gauge connected to an outer periphery of the shaft which is rotatably received in the barrel of the tool and driven by a motor. At least one conductive collar is mounted to the shaft an... | 07/31/2007 |
| 7222544 | Electronic torque-tool tester An electronic torque-tool tester (10) designed to verify that various mechanical, electrical and pneumatic torque tools such as a torque wrench, are correctly calibrated. The tester (10) includes a housing (50) that is bordered by a horizontal m... | 05/29/2007 |
| 7096747 | Hand tool with twisting force measuring functions A hand tool with twisting force measuring functions comprises a driving portion having a driving head for screwing a screwing elements; a handle connected to the driving portion; the handle including a first lateral side and a second lateral side adjacent to the fir... | 08/29/2006 |
| 7089807 | Low-cost high precision twisting measuring device A low-cost high precision twisting measuring device comprising a tool body; the tool body comprises a handle having a display; at least one end of the handle having a driving portion; each connection between the handle and each driving portion having a piezoelectric... | 08/15/2006 |
| 7062979 | Tool and associated methods for controllably applying torque to a fastener A torque tool and an associated method are provided which apply operator-defined levels of torque to a threaded fastener. In one aspect, a portable, battery powered torque tool controls the motor to slow further advancement of the threaded fastener once the torque t... | 06/20/2006 |
| 6948410 | Torque wrench with sleeve for locking rotatable handle A torque wrench is provided having body and a handle that is rotatably mounted to the body for adjusting the torque setting, and an axially movable sleeve operable to selectively lock the handle. The sleeve includes a rigid member and an elastomeric member, such as ... | 09/27/2005 |
| 6715368 | Rotation sensor A contact type rotation sensor includes a contact brush having a contact and an electrical resistor disposed for sliding motion relative to the contact. The contact brush provided at a side face of an arm portion with a projecting piece has asymmetric shape and asym... | 04/06/2004 |
| 6575042 | Beam-type torsion applying and measuring tool A beam-type torquing and measuring tool having two telescoping members rotationally attached together at a first end of each, and they are relatively rotatable at the other end. One member transmits torque to the workpiece and has a pointer thereon, and t... | 06/10/2003 |
| 5874681 | Device for signal transmission, especially for a screw driving apparatus for ultrasonically controlled tightening of a screw connection A device for signal transmission between components supported so as to be movable relative to one another is proposed. A first conductor is partly accommodated in a first component, while a second conductor is partly disposed in a second component, which ... | 02/23/1999 |
| 5859371 | Spring device of a torque wrench A spring device of a torque wrench includes a mediate member slidably received in a tube of the wrench and located between a block and an actuating member, wherein the block is movably connected to a positioning bolt extending from the tube and the actuat... | 01/12/1999 |
| 5442965 | Torque delivering power tool A torque delivering power tool for tightening threaded joints to a desired final pretension level, has a motor (11), a power transmission (12) with a reduction gearing (13) and an output shaft (14). A first torque transducer (19) associated with the power... | 08/22/1995 |
| 5014793 | Variable speed DC motor controller apparatus particularly adapted for control of portable-power tools A portable electric power tool having a DC motor for driving tool bit is controlled according to speed and torque by employing a zero displacement switch means which is coupled to the tool and operative to provide an output voltage porportional to the pre... | 05/14/1991 |
| 4907700 | Apparatus for testing the release torque of container caps An apparatus is provided for non-destructively testing for a predetermined minimum release torque of container caps on containers at a torque testing station. The apparatus includes a device for clamping the containers at the torque testing station; a dev... | 03/13/1990 |
| 4811850 | Apparatus for testing the release torque of container caps An apparatus is provided for non-destructively testing for a predetermined minimum release torque of container caps on containers that are sequentially delivered to a torque testing station in the apparatus. The apparatus includes a device for delivering ... | 03/14/1989 |
| 4759225 | Torque tool and torque tool analyzer A combination torque tool and torque tool analyzer that includes a housing and a portable tool that can be mounted on the housing. The housing has a control panel with indicator lights and control buttons on an upper surface thereof and contains inside it... | 07/26/1988 |
| 4664001 | Torque wrench with audio and visual indicator A torque wrench, basically exemplified by a torque beam having a driver at one end, a grip at its other end and apparatus associated with said driver and beam providing an observable read-out of any torque that may be developed during use of the wrench, p... | 05/12/1987 |
| 4503713 | Dual sensitivity torque detector A torque detector, particularly a torque detector for detecting a torque applied to a torque transmission shaft which is connected to a load such as a wheel of an automobile, comprises a first shaft connected to a driving shaft, a second shaft connected t... | 03/12/1985 |
| 4400982 | High volume particle collector and fractionator A particle collector and fractionator having a 360° omnidirectional gas inlet slit is disclosed herein. The collector and fractionator generally comprises a top and bottom fractionating member, each of which has a set of concentric, annular ring projecti... | 08/30/1983 |
