...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7941898 | Window rotating handle A window operator handle securable to a casement window operating drive shaft is described. The handle is movable between an operating position to a folded position The handle has a body housing that has a cavity which includes an operating mechanism. The operating ... | 05/17/2011 |
| 7936562 | Grip device and information processing unit In a grip device of the present invention, shielding members are placed in the openings of a handle in which arm members are to be arranged, respectively. This can make it difficult for a foreign matter to enter the handle via the openings. The presence of the shiel... | 05/03/2011 |
| 7774901 | Retractable handle assembly for tool A retractable handle assembly includes an outer pipe, an inner pipe, an outer mounting sleeve, a control seat, a positioning post, a movable pin, a control knob, and a link. Thus, the positioning post extends through the through bore of the outer mounting sleeve and... | 08/17/2010 |
| 7721391 | Quick release lock mechanisms for handle extensions Locking mechanisms for releasably connecting handle extensions to tool handles having either compatible lock engaging end portions or standard internally threaded sockets include an adaptor mounted on an outboard end of a handle extension, the adaptor including an e... | 05/25/2010 |
| 7712189 | High torque small handling pole An apparatus and method for manufacturing a handling pole including a pole section, a pole adapter connected to one end of the pole section, and a spade member connected to the other end of the pole section. The pole adapter may include an upper sleeve and the spade... | 05/11/2010 |
| 7549195 | Locking system for connecting handles and implements A locking system for connecting a handle and an implement is provided. The locking system includes a handle having a first thread and a first locking member and an implement having a second thread and a second locking member. The first and second threads are threada... | 06/23/2009 |
| 7434495 | Hand tool with extendable handle A hand tool includes a first part including a head and a shank. Three first holes are defined in the shank and each receive a first stop and a first spring therein. A second hole is defined in shank and located at an axis different from an axis of the first holes, a... | 10/14/2008 |
| 7431528 | Telescopic handwriting pen A telescopic handwriting pen for PDA or cellular phone. In one embodiment, the pen comprises tubelike inner, intermediate, and outer sections and first and second coupling assemblies fitted in front ends of the inner and intermediate sections. Either coupling assemb... | 10/07/2008 |
| 7429024 | Hook assembly, and kit A hook assembly enables a user to stow handbags and the like underneath tables or similar other support structures. The hook assembly comprises a hook support and a hook member pivotally attached thereto. The hook support comprises an attachment surface and a hook-r... | 09/30/2008 |
| 7416361 | Extendable pole for window washing An extendable pole for window washing includes a plurality of substantially hollow elongated rigid tubular sections, each of which has a lower end and an upper end and a substantially cylindrical outer side wall. The upper end of one section is mechanically connecte... | 08/26/2008 |
| 7389565 | Handle assembly for cordless roman shades A handle assembly for cordless roman shades to be installed on the bottom of a roman shade. It includes a handle, an anchor device and an extension plate. The handle has an ornamental plate and an anchor plate that are coupled together to form a clipping space betwe... | 06/24/2008 |
| 7380315 | Systems and methods for reinforcing lockable telescoping poles An external segment of a telescoping handle comprises an outer segment configured for receiving an internal segment. The outer segment comprises a hole configured to receive a locking pin attached to the internal segment. The external segment further comprises a rei... | 06/03/2008 |
| 7380309 | Knob attachment assembly A knob attachment assembly formed in accordance with one embodiment of the present invention is provided. The knob attachment assembly includes a control device housing (105) and an actuation member (106) coupled to the control device housing, the actu... | 06/03/2008 |
| 7377289 | Hose reel The present invention provides for a hose reel assembly structured for ease of use and maintenance. The hose reel assembly includes a folding crank handle, having an easily accessible and identifiable release, an easily released water system, and an autotrack device... | 05/27/2008 |
| 7373708 | Method for manual adjustment of the length of a mop handle A locking device for two units (1), (3) displaceable one inside the other, such as the handle of an implement with variable length, comprising a locking member (4) arranged at one end of the outer element (3), said locking member (4 | 05/20/2008 |
| 7374359 | Expandable and contractible stylus An expandable and contractible stylus for interfacing with a touchscreen of an electronic device. The expandable and contractible feature allows for a stylus that contracts to fit into a stylus holder in a small handheld device and expands to facilitate its removal ... | 05/20/2008 |
| 7356871 | Dual sized broom and dust pan A long handled cleaning implement such as a broom that is provided with a collapsible handle that can be used as a mini sweeping broom. This collapsible ability will also permit compact storage, a cooperating accessory dustpan is provided which the collapsible clean... | 04/15/2008 |
| 7334774 | Extensible and turnover handle structure for a jack An extensible and turnover handle structure for a jack comprises a pivot ear formed at the front end of a base. The pivot ear is provided for a pivot connection with the handle. Moreover, the handle includes an inner pipe inserted in an outer pipe and serves to draw... | 02/26/2008 |
| 7334292 | Hinge device A connecting cylindrical part of a second hinge member is inserted between first and second support arm parts of a first hinge member such that an axis of the second hinge member is aligned with that of a rotation axis. A hinge cylinder is passed through the connect... | 02/26/2008 |
| 7329066 | Solid shank pawl pin with redundant locking system Apparatus comprising and methods relating to a quick disconnect pin having a locking member, a first body segment and a second body segment wherein the first and second body segments are rotatably coupled to each other, and relative rotation between the body segment... | 02/12/2008 |
| 7316621 | Police baton A handheld device for incapacitating dangerous suspects without endangering nearby civilians. The user holds the handgrip which has a trigger connected to a source of thrust, such as an air cartridge. When the user pulls the trigger, the air cartridge is fired and e... | 01/08/2008 |
| 7311023 | Replaceable-head dental care tool with improved engagement thereof A replaceable-head, dental care tool is disclosed, of the type including a handle element (1) and a tool element, the tool element including an engaging extension (10) having at least one flexible reed element (11) equipped with an end pawl (... | 12/25/2007 |
| 7311011 | Apparatuses for interaction with a subterranean formation, and methods of use thereof An access casing assembly structured for placement at least partially within a subterranean formation by forcing the access casing assembly thereinto, comprising a plurality of casing sections operably coupled to form a central elongated cavity for providing access ... | 12/25/2007 |
| 7293934 | Telescopically adjustable pipe A telescopically adjustable pipe includes an outer tube, an inner tube, an inner bushing, a sleeve, a push member, a mounting bracket, a positioning member, and a retaining member. Thus, the positioning member is moved by movement of the push member and is detachabl... | 11/13/2007 |
| 7278668 | Modular gripping assistive device A gripping assistive device which can be used by an individual to utilize various utensils. The device generally includes a handle with a bore passing through the interior. An appendage attaches to the handle and extends outwardly from the handle transversely from t... | 10/09/2007 |
| 7266864 | Rotary type hinge device for portable wireless terminal A rotary type hinge device, installed between a terminal body and a folder of the portable wireless terminal. The hinge device has a first rotation axis for opening and closing operations of the terminal body and folder, and a second rotation axis extending perpendi... | 09/11/2007 |
| 7251860 | Window rotating handle A window operator handle securable to a casement window operating drive shaft is described. The handle is movable between an operating position to a folded position. The handle has a body housing that has a cavity which includes an operating mechanism. The operating... | 08/07/2007 |
| 7240909 | Telescoping handle for paint cart A paint pump cart having a telescoping handle assembly including a paint pump frame having a pair of standtubes, a handle having a pair of extensions received in the standtubes, and a pair of knobs mounted on the standtubes. Each knob is rotationally movable with re... | 07/10/2007 |
| 7237305 | Extension pole with tool lock and retraction dampener An improved extension pole (10) is provided having an outer tubular pole section (12) and an inner pole section (14) telescopically and reciprocally received within the section (12). The outer section (12) has a shock-absorbing com... | 07/03/2007 |
| 7219868 | Hook device for attachment to tables and the like A hook device for securement to the substantially horizontal, bottom surface of a table top, bar top, or the like for supporting personal items. The hook device includes a base, a hook, and an attachment mechanism pivotally securing the hook to the base. The attachm... | 05/22/2007 |
| 7219386 | Holding device and cleaning tool with the holding device Disclosed is a holding device including: a telescopic handle having axially opposed front and rear ends and constructed of at least two separate shafts, of which a front-side separate shaft axially fits within a rear-side separate shaft being a hollow cylinder; and ... | 05/22/2007 |
| 7216402 | Door handle system A door handle system includes a door opening lever rotationally supported on a support member, and a damper having a linear piston sliding mechanism. The door opening lever has an angle change device for changing an angle when the door opening lever is actuated. The... | 05/15/2007 |
| 7204466 | Quick-acting telescopic tube A quick-acting telescopic tube has a stationary tube, a detent lining, an extension tube, a lock activating assembly, a bottom plug, an activating rod, a spring and a ball. The detent lining is mounted securely in the stationary tube and has multiple detents. The ex... | 04/17/2007 |
| 7194930 | Handle A handle for a window operator. The handle includes a handle member 10 pivotally coupled to a base 11. A locking mechanism releasably locks the handle member 10 in a position relative to the base 11 which corresponds to an in-use position... | 03/27/2007 |
| 7191493 | Grab handle and bezel assembly A grab handle and bezel assembly includes a bezel and a grab handle capable of being received within the bezel. The grab handle is generally non-circular in cross section for properly locating the grab handle within the bezel and for preventing rotation of the grab ... | 03/20/2007 |
| 7191494 | Stabilizer for rotary tools The stabilizer apparatus for a power head attachment for rotationally powered tools in which a housing supports a stabilizer apparatus including a stabilizer collar rotatable to selected positions relative to the input shaft of the head attachment and a stabilizer a... | 03/20/2007 |
| 7178934 | Display tool for light fixture A display tool for a light fixture comprising: a pole; a roller, the roller extending angularly from a first end of the pole and roller means being rotatable on an axis angular to the pole; a mounting means for connecting the light fixture to the roller; an actuatio... | 02/20/2007 |
| 7171728 | Control knob of the retractable type with slowed-down extraction, in particular for an electrical household appliance A knob includes a hub to be fixed in a seat open at the front of an electrical household appliance, a grip, which can slide axially, against the action of an elastic element, on a first end of the hub. Between the grip and the hub there is defined a closed chamber h... | 02/06/2007 |
| 7168128 | Wand assembly for a domestic appliance A wand for a domestic appliance (e.g., a vacuum cleaner) includes a plurality of tubes which are dimensioned to telescope inside one another. Each tube is associated with a securing mechanism for securing the tube in an extended position with respect to another of t... | 01/30/2007 |
| 7168728 | Stroller foldable in three A stroller is provided with a handle having a horizontal middle part and two side pipes. The two side pipes are connected to the horizontal middle part by gear trains so as to be turnable about axes perpendicular to an axis of the horizontal middle part, respectivel... | 01/30/2007 |