Bizarre Patents
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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7347763 | Toy vehicle for children The toy vehicle is characterized in that a rear excavator is fastened to the toy vehicle, that a seat boom is rotatably arranged on a receiving block which is fastened to the toy vehicle, that a support leg is mounted on the receiving block and is pivotable between ... | 03/25/2008 |
| 5590997 | Boat trailer device The present invention relates to a device at a trailer, especially a boat trailer, which includes a chassis supported by wheels and a coupling device in the front for connecting the trailer to a towing vehicle. A two-armed lever consists of arms which for... | 01/07/1997 |
| 5331724 | Main line toggle Toggle apparatus for attachment to a tractor (10) or other pulling device having a main line cable (12) for attachment to the pulling device (10), a stopper (20) on the cable (12) and a toggle (22) which is retained on the cable (12) by the stopper (20). ... | 07/26/1994 |
| 5152657 | Boat trailer attachment An attachment for use with a boat trailer previously equipped with an upstanding post secured to a trailer tongue, and a winch with a rope mounted near the upper end of said post. The attachment includes a third class lever pivotally connected at the forw... | 10/06/1992 |
| 5076749 | Material handling platform for material transport vehicle A material handling platform is pivotally attached to the front of the material transport vehicle. Actuator means raise and lower the platform. The platform is arranged to tilt relative to the vehicle about a horizontal pivot at the front of the vehicle. ... | 12/31/1991 |
| 5048172 | Method for converting a "backhoe" to a "crane" using a "true free fall" hydraulic winch system A conversion backhoe-to-crane type system, including preferably a box type, 50' boom and two, hydraulically driven cable or line winches, the hoist one of which is mounted directly on the crane-like boom. The winches have "true free fall" characteristics,... | 09/17/1991 |
| 5020962 | Apparatus for dismantling buildings A building is rapidly and inexpensively dismantled by dropping a heavy inverted U-shaped tool on a building or other structure from an elevation thereabove as from the upper outer end of a boom on a crane, the tool is initially suspended from a cable lead... | 06/04/1991 |
| 5010933 | Log skidding vehicle A vehicle is provided for skidding timber. Conventional skidders are generally large tracked or rubber tired vehicles having a fixed frame to which a towing cable is attached. The cable load applied to such skidders is rearward of the rear wheels tending ... | 04/30/1991 |
| 4995783 | Material handling platform for material transport vehicle A material handling platform is pivotally attached to the front of the material transport vehicle. Actuator means raise and lower the platform. The platform is arranged to tilt relative to the vehicle about a horizontal pivot at the front of the vehicle. ... | 02/26/1991 |
| 4993911 | Mobile crane A mobile crane is disclosed, particularly adapted for a towing truck, as including a boom which may be extended or retracted in length and angularly related for lifting and towing purposes by a pair of hydraulic rams, which are specifically oriented for t... | 02/19/1991 |
| 4975017 | Grapple attachment An arch structure serves to pivotally connect a grapple to a main frame of a tractor, an articulated wheel vehicle, or the like. An imaginary longitudinal axis extends substantially centrally with respect to the vehicle in forwardly and rearwardly extendi... | 12/04/1990 |
| 4969789 | Machine for handling modular building components An apparatus for handling and positioning building components of the type which are used in retaining walls or the like includes a vehicular support having an articulatable boom extending therefrom, and a gripper assembly at the end of the boom. The vehic... | 11/13/1990 |
| 4950125 | "True free fall" hydraulic winch system for converting a "backhoe" to a "crane" A conversion backhoe-to-crane type system, including preferably a box type, 50' boom and two, hydraulically driven cable or line winches, the hoist one of which is mounted directly on the crane-like boom. The winches have "true free fall" characteristics,... | 08/21/1990 |
| 4865513 | Portable manway cover handling apparatus A boom is mounted within a sleeve for longitudinal translation and the sleeve is hinged to a base plate that is securable by a C-clamp to a superstructure beam in front of a manway cover. An hydraulic actuator bears against the sleeve to adjust its elevat... | 09/12/1989 |
| 4795135 | Power driven trailed skidder vehicle A trailed skidder vehicle driven from the power take-off of a tractor or other power driving vehicle performs the operations of a conventional skidder. The trailed skidder vehicle has an elongate structural frame supported by an axle and set of wheels at ... | 01/03/1989 |
| 4606694 | Load skidding vehicle Load skidding vehicles commonly include a grapple assembly (42) which under load conditions can pivot rearwardly about its support point (52) resulting in disproportionate loading of the rear wheels and consequently instability of the vehicle. A connectin... | 08/19/1986 |
| 4560148 | Log skidder vehicle brake system A log skidding vehicle (10) having a winch (18) controlled by a lever (20) on which is mounted means (50) for simultaneously actuating a transmission neutralizer (46) and a brake apparatus (38). The actuating means (50), when engaged by the operator, caus... | 12/24/1985 |
| 4436475 | Log skidder with load distributing boom attachment In accordance with an illustrative embodiment of the present invention, an attachment to a log skidder to enable selective distribution of the weight of a log being towed to the front and rear wheels comprises a boom pivotally mounted between its ends on ... | 03/13/1984 |
| 4403902 | Means for converting a grapple skidder to a cable skidder An improved boom grapple assembly which enables a skidder operator to easily transform the boom grapple assembly from a grapple skidder mode of operation to a cable skidder mode of operation and back again.... | 09/13/1983 |
| 4400132 | Skidding grapple having winch-line capability A skidding grapple having a self-propelled vehicle equipped with a saddle carrying a boom and grapple horizontally and vertically swingable thereon, a fairlead assembly removably mounted atop the saddle and a winch having a line reeled thereon positioned ... | 08/23/1983 |
| 4315652 | Angle control mechanism for grapple A grapple skidder vehicle has a grapple assembly rotatably and pivotally mounted with respect to an outer boom point end portion of a boom extending from the vehicle. The grapple assembly is supported from a cylindrical rotator shaft which is mounted for ... | 02/16/1982 |
| 4293265 | Hydraulically operated hoisting apparatus for a ship for picking floating objects up out of the sea A hoisting apparatus mounted on the deck of a ship for picking floating objects from the sea having an articulated lifting arm which extends over the side of the ship and gripping device suspended from the end of the arm for grasping objects in the water.... | 10/06/1981 |
| 4278391 | Protection means for tracks in a track-laying vehicle An assembly for protecting the tracks in a track-laying logging vehicle against impact damage and derailment. The assembly includes, for each track, a bumper located adjacent and extending across the rear of the track, a fender anchored to the bumper and ... | 07/14/1981 |
| 4278392 | Log skidder with folding arch A log skidder including a vehicle having a frame with front and rear ends, ground engaging devices on the frame so that the vehicle may traverse the underlying terrain, an elongated boom on the frame and mounted thereto for pivotal movement about a genera... | 07/14/1981 |
| 4272218 | Apparatus for transporting a wheelchair upon an automobile Apparatus to be mounted on a cartop for raising a wheelchair from the driver's seat and orienting and engaging the wheelchair for transport on the roof. The supporting base is mounted on the roof with an overlying frame rotatably mounted to the base above... | 06/09/1981 |
| 4239439 | Log skidder In accordance with illustrative embodiments of the present invention, a new and improved log skidder comprises a motorized vehicle, log carrier means pivotally attached at a point directly above the rear wheels thereof, first means such as a winch for pul... | 12/16/1980 |
| 4239438 | Device for lifting and carrying loads on top of pickup trucks A device includes a fixed frame over the bed and the cab of a pickup truck, a pair of slanting rails along the sides of the fixed frame, and a folding frame that is detachably connected to the rear portion of the fixed frame. Unfolding the folding frame e... | 12/16/1980 |
| 4113124 | Movable arch structure for skidder vehicle A movable arch supporting a grapple unit at one end of a logging vehicle, the movable arch including a pair of links of different lengths being pivotably connected in spaced apart relation to a vehicle and a support beam, one end of the support beam exten... | 09/12/1978 |
| 4102528 | Combined log skidder and loader A wheel tractor that includes facilities for skidding logs and a loading assembly by which the logs may be loaded onto a truck. The wheel tractor includes an upright log skidding arch at a rearward end thereof. Winchlines are played out over rollers provi... | 07/25/1978 |
| 4068881 | Arrangement for automatic regulation of the cable length of a holding cable of grab means Grab means suspended on the end of a jib of traction means, particularly on tractors used for timber skidding are secured in their position by a cable which is automatically tensioned by provided tensioning means.... | 01/17/1978 |
| 4044610 | Excavators Measurement devices are provided on the boom and stick of an excavator and are diposed to measure, by means of the gravitational force, the angle of the boom and the stick, respectively, relative to the horizontal plane. These measurement values are appli... | 08/30/1977 |
| 4036378 | Attachment to pole skidder vehicle for loading, hauling, and stacking cut logs The invention comprises an attachment for a pole skidder vehicle for hauling and stacking cut logs. The attachment is adapted to be mounted to the rear of a conventional pole skidder vehicle and has a pair of upright fixed arms. A pivotally mounted plate ... | 07/19/1977 |
| 3956835 | Log skidder with implement mounted cable guide means A log skidder comprises a bulldozer assembly mounted on either the forward or rearward end thereof and a cable guide mechanism, including a fairlead and roller, mounted on a blade of the bulldozer assembly for receiving and guiding a cable therethrough. A... | 05/18/1976 |
