Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8177253 | Accessory for a locking assembly A device for use with an anti-theft locking assembly which comprises an enclosure, a noise emitter mounted within the enclosure, a battery, and a control circuit, an actuator extending externally of the enclosure and being designed to be plugged into a first actuato... | 05/15/2012 |
| 8172249 | Tow bar protection device A tow bar protection device for a tow bar assembly having a hitch bar portion with a ball mount and mounting a bail, the hitch bar portion extending rearwardly from the vehicle to which the assembly is attached, the protection device including a resilient pouch havi... | 05/08/2012 |
| 8152194 | Utility trailer security device An object of this invention is to provide a way for a person to lock and secure the hitch of an unhitched utility trailer. Another object of this invention is to allow a person to keep an unhitched utility trailer from being stolen when the utility trailer is not ho... | 04/10/2012 |
| 8113532 | Trailer locking system and apparatus The present invention is directed towards, in one embodiment, a process, apparatus or assembly to prevent the theft of or movement of a towable trailer while the trailer is un-hitched from its corresponding original tow vehicle. In one embodiment, the present invent... | 02/14/2012 |
| 8096572 | Gooseneck trailer hitch alignment system A gooseneck trailer alignment system includes a hitch receptacle having a receptacle opening, a trailer guide plate positional beneath the receptacle opening and a plate notch provided in the trailer guide plate. ... | 01/17/2012 |
| 8091915 | Animated novelty device An animated novelty device for mounting on a ball of a trailer hitch on a vehicle, the device including an electric motor for imparting motion to selected elements of the device. The motor is electrically connected to the vehicle braking system whereby the device is... | 01/10/2012 |
| 8083249 | Trailer coupler having an integrated lock The present invention provides a trailer coupler having an integrated locking device attached to the handle or the coupler body. The handle of the trailer coupler moves from a first position where the hitch ball is insertable to a second position where the hitch bal... | 12/27/2011 |
| 8070178 | Protective safety cover for the pin box and the king pin of a fifth wheel type trailer A protective safety cover for fifth wheel pin has a main panel having at least one edge, and an opening adapted to receive the king pin of the trailer therethrough; a perimeter wall extending perpendicularly to the at least one edge of the main panel; and a retainer... | 12/06/2011 |
| 8061730 | Trailer receiver lock The present invention is directed to a trailer receiver lock for locking a trailer hitch to prevent unauthorized use. An embodiment of the trailer receiver lock for locking a trailer hitch, wherein the trailer hitch includes a receiver and a hitch bar, may include a... | 11/22/2011 |
| 8056920 | Cover panel for a drawbar-controlled ground conveyor on the side facing the drawbar Cover panel for a drawbar-controlled ground conveyor on the side facing the drawbar, which has a mainly U-shaped skirt formed from a blank section in the lower area, with a bar section facing the drawbar and lateral leg sections, which covers a drive unit of the gro... | 11/15/2011 |
| 8020885 | Coupler lockout device An assembly for restricting access to a coupler includes a body having a coupler engagement portion for engagement with a first surface of a coupler, a coupler engagement member laterally movable within a laterally extending slot in the body, with the coupler engage... | 09/20/2011 |
| 7997608 | Pin box assembly for trailer An extension coupling for interconnecting a trailer to a tow hitch carried on a tow vehicle includes an elongated arm having a first end and a second end. The first end is pivotally connected to the trailer. A king pin is connected to the second end. The king pin in... | 08/16/2011 |
| 7967323 | Drawbar protector A drawbar protector comprising a generally rectangular plate which is positioned on the upper rearward end of a tractor drawbar so that wear on the drawbar is prevented. If the protector plate becomes excessively worn, it is easily replaced. ... | 06/28/2011 |
| 7909351 | Trailer coupling dock theft-proof lock A trailer coupling dock theft-proof lock to prevent unauthorized coupling and hauling of a trailer during parking includes a locking dock, a coupling assembly and a lock assembly. The coupling assembly can be latched in a dome of a trailer coupling dock. By locking ... | 03/22/2011 |
| 7883103 | Protective cover for protecting a pair of tow bar arms A protective cover for protecting a pair of tow bar arms has a cover element adapted to fit around the pair of tow arms. The protective cover also includes a fastener adapted for fastening elongate upper edges of the cover element around each of the pair of the tow ... | 02/08/2011 |
| 7850193 | Quick release hitch assembly A quick release assembly for remotely actuating operative disconnection between vehicles includes a lock bolt ejection assembly for remotely ejecting a lock bolt normally maintaining a coupling between the vehicles thereby allowing independent movement of the vehicl... | 12/14/2010 |
| 7806425 | Trailer hitch A trailer hitch having a retaining latch bolt to reduce shaking includes a locking head, a bolt seat, a retaining element, a latch bolt and an elastic element. The retaining element has a first directing rib to be rapidly positioned in a first bolt aperture of a fir... | 10/05/2010 |
| 7712763 | Trailer hitch receiver lock A freely pivoting lock ball fits within a trailer hitch ball receiver. A top lock shaft on the ball extends up through a hole in the top of the ball receiver into a lock collar welded to the top of the ball receiver. A cylinder lock fits into a top opening in the lo... | 05/11/2010 |
| 7699336 | Protective housing for a trailer coupler An anti-theft device for a towed trailer vehicle wherein a pivotable cover housing is mounted to the tongue of the trailer in spaced relation to the socket lock mechanism of a conventional ball socket attachment of a trailer hitch bar. The protective housing adapts ... | 04/20/2010 |
| 7690673 | Self-latching ball clamp coupler A ball hitch coupler permits self-latching with a ball hitch. The ball hitch coupler has a housing with a generally downwardly facing open socket for receiving a ball hitch. A ball clamp member within the open socket is attached to an adjustment lever by a clamp rod... | 04/06/2010 |
| 7677589 | Hitch cover The hitch cover is adaptable to several commercially available trailer hitches. The cover has a flat portion with a hexagonal recess, the recess being about 3 inches across opposite corners. A protective portion, generally perpendicular to the flat portion has a “... | 03/16/2010 |
| 7669878 | Quick release hitch assembly A quick release assembly for remotely actuating operative disconnection between vehicles includes a lock bolt ejection assembly for remotely ejecting a lock bolt normally maintaining a coupling between the vehicles thereby allowing independent movement of the vehicl... | 03/02/2010 |
| 7665755 | Kingpin locking system for trailers An improved kingpin locking system includes a kingpin lock body having upper and lower sections, the lower and upper section each having a truncated generally pyramidal shape, with the lower one being inverted, a central kingpin-receiving chamber formed in the kingp... | 02/23/2010 |
| 7635143 | System and method for protecting a trailer coupler A system for protecting a trailer coupler contains a first arm rotatably connected to a second arm. The first arm contains a top portion, a side portion, and a bottom portion, the top portion of the first arm containing a first opening. The second arm contains a top... | 12/22/2009 |
| 7568718 | Cable and hitch pin assembly A hitch pin and hitch cable assembly comprising a hitch pin for a tow hitch ball mount with one end of a hitch cable securely attached to the pin; the other end of the hitch cable removably attached to the pin between the ends of the pin; the pin having a lock to lo... | 08/04/2009 |
| 7543838 | Trailer locking mechanism An anti-theft mechanism for a trailer coupler designed such that it can be locked or secured to the coupler is such a manner that the coupler cannot be utilized. The mechanism includes a body, which is securable to the trailer coupler. The body includes a retention ... | 06/09/2009 |
| 7530591 | Pin box assembly for trailer A pin box assembly is provided for a trailer. The pin box assembly includes a first section having a trailer attachment point, a second section carrying a king pin and a pivot connecting the first and second sections together. In addition the pin box assembly includ... | 05/12/2009 |
| 7530590 | Hitch locking and alarm mechanism The hitch locking and alarm mechanism comprises a hitch member for attachment to the towing vehicle, a tow vehicle mount for attachment to the towed vehicle, a locking pin, and a locking pin housing assembly with an alarm. A drawbar of the hitch member is insertable... | 05/12/2009 |
| 7469919 | Coupler lock An assembly for restricting access to a coupler includes a body, a ball cavity engagement member; and a securing mechanism. The body is configured for engagement with at least one surface of the coupler. The body includes a coupler engagement portion. The ball cavit... | 12/30/2008 |
| 7469920 | Kingpin lock A kingpin lock including a body having a substantially frustoconical portion and a kingpin cavity having a central axis, a slide channel having a central axis and a sleeve channel having a central axis. The slide channel intersects the kingpin cavity such that its c... | 12/30/2008 |
| 7467805 | Coupler locking device The present invention provides a locking device for a hinged, body and cap trailer coupler to prevent unauthorized use of an unattended and unattached trailer. The device consists of a cylindrical bar member joined to an elongated tongue member. The elongated tongue... | 12/23/2008 |
| 7455313 | Trailer hitch receiver cover The trailer hitch receiver cover of the present invention has a resilient means for covering and sealing the peripheral collar or flange of the hitch receiver. It also has integrally-formed means for covering and sealing the lateral holes in the hitch receiver. In a... | 11/25/2008 |
| 7448640 | Pin-engaging drawbar and lock plate wedges A pin-engaging drawbar wedge and lock plate wedge are designed to mount in the drawbar of a trailer hitch or alternative trailer and accessory hitch or receiver assembly. The pin-engaging drawbar wedge includes a bolt extending into the drawbar and in one embodiment... | 11/11/2008 |
| 7441793 | Tow hitch lunette assembly For use in a vehicular trailer hitch system, a vehicular trailer hitch lunette assembly is provided. The assembly includes at least one “U” shaped outer laminate plate having two legs with a semi-circular region therebetween, and at least one substantially flat ... | 10/28/2008 |
| 7434825 | Deployable step for motor vehicles A motor vehicle in accordance with the present invention includes a body having a front end, a rear end, a roof, and a rear structural member located at the rear end of the body. A motor vehicle further includes a plurality of wheels coupled to the body. A pair of b... | 10/14/2008 |
| 7431319 | Hitch locking mechanism The hitch assembly comprises a hitch member, a shank assembly for attachment to the towing vehicle, a tow vehicle mount for attachment to the towed vehicle, and a hitch alarm. The hitch member comprises a drop ball mount, and a drawbar. The drawbar is secured to the... | 10/07/2008 |
| 7431320 | Trailer safety hitch A trailer hitch for resisting inadvertent separation of a trailer tongue coupler from a vehicle's hitch ball. The trailer hitch includes a sleeve, a retainer rotatably disposed within the sleeve and including: a rod rotatably disposed within the sleeve, a displaceme... | 10/07/2008 |
| 7416206 | Drawbar hammer strap pin lock A drawbar hammer strap assembly design achieves a low profile, and prevents rotation of the drawbar and of the cross pin. The drawbar hammer strap assembly includes a drawbar, a hammer strap member attached to the drawbar, a drawbar pin mountable to drawbar and hamm... | 08/26/2008 |
| 7413212 | Trailer theft-thwarting coupling dock An improved trailer theft-thwarting coupling dock to prevent unauthorized coupling and hauling of the trailer coupling dock includes a coupling dock body, a upper mechanism, a lower mechanism and a lock assembly. The upper mechanism has a upper handle fastening to t... | 08/19/2008 |
| 7390008 | Trailer coupler A new and improved trailer coupler for connecting a trailer to a ball hitch mounted on a towing vehicle comprising a housing having a recessed socket, a retractable latching plate, a locking mechanism, an access port, a visual indicator, and an alarm system for indi... | 06/24/2008 |
