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.
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| Number | Title | Issue Date |
| 7243394 | Door closing hinge device A door closing hinge device includes two flaps for attaching to a door frame and a door panel, a seat and a housing attached to the flaps. A follower is slidably disposed in the housing, and includes an inclined surface for engaging with an inclined surface of the s... | 07/17/2007 |
| 7240400 | Vertical and horizontal adjustable hinge assembly A method and apparatus providing an adjustable hinge configured for a fence post and gate assembly of a fence. The adjustable hinge includes a first bracket operable to be secured to a first portion of the fence and a second bracket operable to be secured to a secon... | 07/10/2007 |
| 7210199 | Hinge apparatus A hinge including a first hinge member and a second hinge member that is rotatably coupled to the first hinge member. The hinge has a torsion spring with a first end of the spring secured relative to the first hinge member and a second end adjustably securable relat... | 05/01/2007 |
| 7111358 | Tensioned pivot assembly A spring biased pivot assembly for operative connection across a lower edge of a self-returning door structure. An adjustable spacer projects outwardly from a downwardly extending shoulder structure and towards a tension pin in tangential relation to the axis of rot... | 09/26/2006 |
| 7003851 | Hinge The movement of a hinge, preferably for furniture, comprising a hinge arm or a fixed-body hinge section and a pivotable hinge section flexibly connected thereto, is damped by a rotation damper at least damped over part of the closure path to the closed position. In ... | 02/28/2006 |
| 6978516 | Apparatus for controlling various movements of a door Apparatus for controlling various and different movements of a door, said apparatus having a door hinge assembly with a hinge pin having a plurality of bearing surfaces to reduce stress and wear on a hinge pin housing, a torque mechanism for pre-torquing and torquin... | 12/27/2005 |
| 6732408 | Spring hinge structure A spring hinge structure includes a first hinge plate, a second hinge plate, and a restoring control device. The restoring control device includes an upper spindle mounted in the upper shaft tube of the first hinge plate, a lower spindle mounted in the lower shaft t... | 05/11/2004 |
| 6256839 | Spring hinge structure The present invention provides a structure improvement of spring hinge which mainly utilizes the tension adjustment stand, made of plastic composite material, to simplify the composition in order to achieve the purposes of reducing cost and the difficulti... | 07/10/2001 |
| 5715574 | Adjustable self-closing hinge assembly A method of adjusting an adjustable self closing hinge and the hinge which comprises providing an adjustable, self closing hinge. The hinge includes a tube with a hollow interior portion of circular cross section, a first end portion and a second end port... | 02/10/1998 |
| 5606773 | Reversible hinge assembly A swingable door assembly and a hinge assembly for urging the swingable door assembly to a closed position is provided. The hinge assembly comprises a torsion spring which may be an elongate torsion rod, which may be preloaded with a predetermined amount ... | 03/04/1997 |
| 5584100 | Hinge The hinge comprises a first hinge member (11) and a second hinge member (12). The first hinge member comprises a cylindrical housing (16) having first and second open ends (17 and 18 respectively). The cylindrical housing (16) is located between flange me... | 12/17/1996 |
| 5383253 | Hydraulic buffer hinge A hydraulic buffer hinge for a door comprising a hydraulic buffer mechanism having a piston and a piston rod supported on a spring and received inside a hydraulic oil container to slowing down the return stroke of two swinging plates when the door, onto w... | 01/24/1995 |
| 5321870 | Torsion bar apparatus for self-closing door and torque adjusting device therefor A torsion bar apparatus for a self-closing door. The longitudinal dimension of the apparatus is reduced while the initial torque when the door is closed is maintained and the weight applied to the user during the door opening operation is reduced. One ver... | 06/21/1994 |
| 5048155 | Set screw fixing device for spring hinge A set screw fixing device for a spring hinge capable of executing the fixing work of the set screw simply and easily by making a few passing holes to the upper pintle for according with both the pin holes and the screw hole simultaneously so as to insert ... | 09/17/1991 |
| 4875252 | Self-closing invisible hinge with selectively variable closing force A self-closing invisible hinge for returning a door to its closed position rom its open position including a self-closing structure in which the closing force can be selectively adjusted externally at the hinge and in which the self-closing structure is co... | 10/24/1989 |
| 4845811 | Automatic door closer having an adjustable torsion spring and configured end fittings Spring closing device for door or the like, comprising at least two hinges, each one comprising two components articulated on an axis and one of which, known as the mobile component, is fixed on the door and the other of which, known as the fixed componen... | 07/11/1989 |
| 4823437 | Spring loaded hinge A continuous, elongated hinge is described as having a hinge pin which is comprised of two solid pivot pins which are oppositely disposed and axially spaced from each other. The more closely spaced distal ends of the pivot pins have a pair of parti-cylind... | 04/25/1989 |
| 4817242 | Toilet seat spring hinge having an adjustable spring force A spring hinge for raising a toilet seat and having an adjustable spring force. First and second hinge members with hinge knuckles that interfit closely end-to-end are attachable respectively to the toilet bowl and the seat. A rod extends through the knuc... | 04/04/1989 |
| 4751765 | Spring hinge A spring hinge is provided which includes a first member, a second member, a spring, a spring seat, a tensile adjustment seat, a tensile adjustment pin, a shaft, and two holding heads. The holding heads each include a hollow hat and a spring member fixed ... | 06/21/1988 |
| 4747183 | Temple biasing eyeglass spring hinge A spring hinge for eyeglasses in which each bow can be swung out against spring force about a fulcrum spaced from the hinge axis so that the bow will resiliently bear on the temples of the wearer. A spring is secured on a plunger rod between a plunger hea... | 05/31/1988 |
| 4696078 | Combined adjustable door hinge pin socket and adjustable torque rod anchor device A self-closing door is disclosed being hinged at the top and at the bottom to swing between open and closed positions. A torque rod is aligned in the pivot axis of the door and is anchored at the bottom to a device secured to the cabinet frame. This devic... | 09/29/1987 |
| 4692963 | Self-closing hinge and isolation door installation A self-closing isolation door installation adapted to swing between a closed and an open position. A resilient gasket is connected about the periphery of the door to insure a tight seal. The door has a rotatable first hinge vertically mounted and adapted ... | 09/15/1987 |
| 4583262 | Spring hinge One leaf of a spring hinge has a center knuckle and the other leaf has aligned top and bottom end knuckles which are spaced apart. The center knuckle of the one leaf fits between the two end knuckles of the other leaf and is maintained in alignment with t... | 04/22/1986 |
| 4494273 | Swing control hinge The swing control hinge disclosed is intended to control the rotational speed of a door that is tending to accelerate toward the strike as a result of spring loaded hinges. The hinge is intended to prevent slamming of the door while allowing enough speed ... | 01/22/1985 |
| 4073038 | Pintle with adjustable spring tension motor A tension spring motor for use in a pintle or cartridge like container is employed to return hinged parts to an initial position after having been rotated to a second position. Door hinges are a typical example where a spring automatically returns the doo... | 02/14/1978 |
| 3978551 | Door closer hinge A door closer hinge including a coil spring providing torque which is mounted in the cylindrical axis of the hinge for automatically closing the door on which the hinge is mounted and including a ready adjustment for the coil spring pressure.... | 09/07/1976 |
| 3965533 | Adjustable door spring hinge with fixed minimum tension Aligned hollow knuckles on a pair of hinge leaves form a cylindrical barrel. Spaced plugs inserted into each end of the barrel serve to keep the knuckles from separating and act as a pivot pin for the hinge. Bifurcated reduced inner portions of the plugs ... | 06/29/1976 |
