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| Number | Title | Issue Date |
| 7726173 | Hammer for a Charpy pendulum A hammer for a Charpy pendulum, comprising a body including a head and an arm, wherein the arm is equipped with a portion for attachment to an end opposite to that of the head and wherein the head has a general C-shape, with a concave part in which an area of impact... | 06/01/2010 |
| 7533557 | Impact tensile test machine A high-speed tensile test device is disclosed, which measures the stress-strain behavior, up to failure, of polymeric materials, at high strains (as much as 1000%), and high strain rates (up to 104/s). A weight, when dropped down a vertical track, impacts... | 05/19/2009 |
| 7516646 | Impact test apparatus An apparatus for performing an impact test of an object of test by use of a hammer is disclosed. The apparatus includes a pendulum arm swingable in an up-down direction in response to rotation of a rotary cam. The rotary cam is driven to rotate by a rotational drive... | 04/14/2009 |
| 7360393 | Methods and apparatus for measuring impact toughness of a tie rod end A method is provided for measuring impact toughness of a tie rod end through use of a pendulum-type impact testing machine. The method includes attaching a first member of the tie rod end with respect to a base of the pendulum-type impact testing machine. The pendul... | 04/22/2008 |
| 7320242 | Tensile impact apparatus The present invention generally relates to a tensile impact apparatus that is designed to give dynamic stress-strain curves and fracture characteristics for a rubber specimen undergoing tensile impact loading. More particularly, this invention relates to a tensile i... | 01/22/2008 |
| 7278290 | Projectile impact energy and location measurement system A projectile impact energy and location measurement system is taught employing a target apparatus having an impact plate of a solid durable substance such as steel or titanium. Disposed over the plate is a layer of elastoluminescent material composed of zinc sulfide... | 10/09/2007 |
| 7222515 | Impact test apparatus and impact test method An impact test apparatus includes a holding device for holding a test piece at an arbitrary holding force, an impact applying device for applying an impact force to the test piece held by the holding device, a force sensor for sensing the impact force applied to the... | 05/29/2007 |
| 7128300 | Stand for a surgical microscope A stand (3) for a surgical microscope comprising at least one vertical rotary bearing (4). A pivot arm (5) is mounted rotatably in the rotary bearing (4). An electromagnetic brake (6) for blocking the pivoting motion of the pivot a... | 10/31/2006 |
| 6998559 | Detection system for sorting apparatus The present invention relates to a system for determining characteristics of products of generally unequal size, e.g. apples, which are conveyed on product carriers, such as rollers of a conveying apparatus, and pass the system, the system comprising a detection dev... | 02/14/2006 |
| 6990845 | Pendulum impact test rig The pendulum impact test rig is designed and developed for simulating impact conditions experienced by structural components in real-world crash or full-scale crash test. The test rig can be adopted for crash testing individual vehicle component. The test rig compri... | 01/31/2006 |
| 6910396 | Hand-held multi-task device for detecting warfare and strategic traps A hand-held multi-task device comprising a handle, a pendulum pivotally attached to the handle, an adjustable-length rod attached to the handle, and at least one prodder attached to the handle. ... | 06/28/2005 |
| 6871525 | Method and apparatus for testing football helmets A method and apparatus for testing a football helmet utilizes a weighted pendulum arm to impart an impact force upon the helmet. Linear head acceleration and rotational head acceleration caused by the impact force is measured and a Head Impact Power Index is compute... | 03/29/2005 |
| 6802200 | Method for inspecting the quality of a gas sensor, related manufacturing method, and related inspecting apparatus An impact force is applied to a sensing element to enlarge the size of a hidden crack to a visible level to reveal the presence of a hidden crack. To apply the impact force to a sensing element, a gas sensor is supported by a holder which is fixed to a distal end of... | 10/12/2004 |
| 6738214 | Detection of static and dynamic position of disk drive A 2-axis acceleration sensor has two detection axes (X- and Y-axes), and detects a dynamic acceleration (shock) and a static acceleration (a change in gravity or tilt). A sensor output extraction unit acquires detection signals corresponding to the static accelerati... | 05/18/2004 |
| 5922937 | Individual component headform impact test drive A head-impact test device is used for crash-testing individual vehicle components, and includes a support structure with a pendulum member pivotally connected to the support structure. The pendulum member includes an end portion. A dummy headform is relea... | 07/13/1999 |
| 5908979 | Golf ball test hitter The invention relates to a golf ball test hitter used for testing the performance of a golf club after manufacture of the club, which comprises a first arm corresponding a man's arm, a second arm corresponding to a wrist, being supported at a free end of ... | 06/01/1999 |
| 5801314 | Bridge movement detector A damage detection system for detecting impacts to static structures such as bridges and the like. The damage detection system comprises an impact sensor assembly and impact analyzer system. The impact sensor assembly comprises a pendulum mounted for move... | 09/01/1998 |
| 5763761 | Ball striking apparatus Generally, the invention can be used to strike an object with an implement. Two applications for which the invention is particularly useful are hitting a golf ball with a golf club, and hitting a baseball or softball with a baseball bat. The invention can... | 06/09/1998 |
| 5400640 | Pyrotechnic shock machine A pyrotechnic shock testing machine employs flexure plates attached to an anvil lying in a vertical plane of a supporting frame to apply pyrotechnic shock pulses to a test unit attached to the anvil when a hammer is dropped to strike the anvil. The dimens... | 03/28/1995 |
| 5390534 | Impact testing device Apparatus to test for the impact strength of a game racket comprising a base plate having an upper surface; a support post extending upwardly from the upper surface of the base plate; a pivot arm having a first end and a second end with clamping component... | 02/21/1995 |
| 5285687 | Process for the acoustic examination of monoliths for damage and device for implementing the process A method and apparatus for the acoustic examination of a monolith for damage, wherein a blow of defined force is applied by a hard striker to a monolith for its acoustic examination for damage. The sound pressure distribution over a predetermined frequenc... | 02/15/1994 |
| 5003811 | Shock testing apparatus A shock testing apparatus for simulating pyrotechnic shocks comprises an elongate bar suspended for movement in a longitudinal direction, and a pendulum hammer suspended for impact with one end of the bar to excite it into longitudinal resonance. A mounti... | 04/02/1991 |
| 4754975 | Iron club head An iron club head which comprises a core body having a core portion, a sole portion, and a hosel portion. The core portion is formed with a front or club face at the predetermined inclination and includes a ball impacting portion. An inner layer of non-me... | 07/05/1988 |
| 4442697 | Pre-stressed impact testing device A pre-stressed impact testing device designed to measure the energy which is absorbed during fracture of metal samples under pre-stressed conditions. The device includes a base portion and a pendulum supporting portion which is positioned thereabove. The ... | 04/17/1984 |
| 4425786 | Method and apparatus for impact testing of bend specimen A method and apparatus for testing of impact toughness of a bend specimen having a notch or similar in a middle portion thereof. According to the invention the bend specimen is supported by a rigid support in a middle area at the opposite side of the spec... | 01/17/1984 |
| 3999420 | Lens impact hammer apparatus and methods Hammer apparatus is provided for impacting an eyeglass lens to test the frangibility of the lens. A hammer arm is pivotally mounted on a base plate for rotation between a vertical position and a horizontal position. A steel ball is connected to the end of... | 12/28/1976 |
