Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8115122 | Push button switch An operation portion and a switch portion of a push button switch are removably coupled. The switch portion includes a contact opening mechanism having a rotatably supported lever and a spring. The lever has one end acting on a part of the operation portion coupled ... | 02/14/2012 |
| 7928330 | Safety switch There is provided a safety switch having a housing configured to receive a removable key, and a mechanism arranged to be operated when the key is moved from an engaged position to a partially disengaged position, the mechanism being arranged to cause a signal to pas... | 04/19/2011 |
| 7781687 | Control unit with a monitoring apparatus A control unit including a monitoring apparatus is disclosed, with the monitoring apparatus having an operating element and an attachment element. In at least one embodiment, the control unit is in two parts and includes an operating unit and switching elements. The... | 08/24/2010 |
| 7429708 | Safety switch A safety switch that includes a body, a number of contacts, a movable plunger, a signal emitter, and a signal detector. The signal emitter and signal detector are positioned proximate the plunger and configured to assess the operability of the safety switch. The plu... | 09/30/2008 |
| 7339125 | Safety switch operating mechanism A safety switch operating mechanism having an engagement mechanism mechanically linked to a plunger and arranged to receive an actuator such that insertion of the actuator into the engagement mechanism moves the plunger to a first position and removal of the actuato... | 03/04/2008 |
| 7332989 | Switch mechanism A switch mechanism has at least one set of contacts including at least one fixed contact and at least one moveable contact which is carried by an axially moveable carrier that is held by a spring-loaded detent when the contacts are closed, the carrier being released... | 02/19/2008 |
| 7303142 | Novelty waterfall operatable based upon user interaction A novelty waterfall that includes at least one water flow surface, a pump, and a sensor that detects a change of presence of an item. The novelty waterfall further includes a controller that is structured and arranged to operate the pump at least when the sensor det... | 12/04/2007 |
| 7271355 | Locking mechanism for a safety switch A indexing wheel mounted in the head assembly of a safety switch has an axis of rotation extending at right angles to the longitudinal axis of the plunger, and against whose lateral surface the plunger bears. A key channel in the head assembly is adapted for receivi... | 09/18/2007 |
| 7223927 | Lockable switch mechanism A locking switch assembly includes a cam, a plunger, and a locking mechanism. The cam is rotatably attached to a frame assembly and an end of the plunger is constructed to follow a contour of the cam. The plunger is movable between a plunger first position and a plu... | 05/29/2007 |
| 7138589 | Wireless device having a battery selectively activated A wireless device to be mounted on a license plate of an automobile is composed of a casing, components contained in the casing and an operating member inserted into the casing. A battery for supplying power to the components is selectively turned on or off by contr... | 11/21/2006 |
| 7057121 | Low-current starter switch for vehicles and starter gear comprising said switch A low-current starter switch (1) for vehicles, includes a rotor (3;3′) fixed to an anti-theft cylinder and an electrical circuit. The electrical circuit is low current with a variable resistance, depending on the annular position of the rotor (3;3... | 06/06/2006 |
| 7057122 | Multi-mode remote controller A remote controller has a sliding switch which has more than two contacting positions linearly disposed, and a sliding lever to switch among the contacting positions. A slider engaged with the sliding lever and the slider has an angle portion. A first cam piece has ... | 06/06/2006 |
| 7057127 | Safety electric switch A safety electric switch in which a safety plate is insertable through a button into an actuating member to lock the actuating member to the button for enabling the actuating member to be moved with the button to switch on/off the electric circuit. ... | 06/06/2006 |
| 6989727 | Locking system of a safety switch comprising a reading head and an actuator A locking system is for a safety switch. The switch has a reading head (2) and an actuator (3) with first and second modules (10, 14) containing electric and/or electronic components. The components can be caused to interact electrically in a co... | 01/24/2006 |
| 6982391 | Safety position switch A safety position switch including a push rod which responds to the movement of an actuator connected to a device to be made safe in order to act upon an electrical device by a lockable transmission mechanism acted on by the push rod. The transmission mechanism incl... | 01/03/2006 |
| 6969810 | Electric key switch with key sensing and ejection An electrical key switch provides a sensing of inserted keys and an ejector mechanism preventing parking of the key in a partially inserted position within the key switch. ... | 11/29/2005 |
| 6900399 | Electrical switch assembly An electrical switch assembly for actuating an electrical circuit by closing at least one pair of conducting contacts in a sliding manner is disclosed. The assembly includes a contact carrier within a switch housing, a spring attached to the carrier that biases the ... | 05/31/2005 |
| 6872898 | Lockable switch mechanism A lockable switch mechanism for a machine guard includes a switch plunger and locking and switch mechanisms. The plunger moves, upon insertion of an actuator, between two positions to actuate the switch mechanism and is locked by the locking mechanism, which has one... | 03/29/2005 |
| 6861597 | Safety switch with unlatching disc A device switches an electrical connection in accordance with the condition of a device to be monitored, especially to a safety switch (1) for a protective device. The safety switch includes a housing (2,3) in which a switch disk (7) is mounted ... | 03/01/2005 |
| 6660949 | Safety switch actuator An actuator of the present invention comprises an operation key 2 to be inserted into a key insertion hole formed in the safety switch, and a base 3. The operation key 2 is held on the base 3 and capable of freely swinging in two orthogonal directions. Th... | 12/09/2003 |
| 6646212 | Switch operating mechanism A switch mechanism comprising a housing in which a switch is mounted, the switch being actuable to switch between first and second conditions. A cam is mounted within the housing to rotate about a predetermined cam axis, the cam defining a cam surface aga... | 11/11/2003 |
| 6501037 | Push-button switch for emergency shut-down This invention relates to a push-button type switch comprising electrical contacts actuated by a head made up of a command button (1) associated with a body (2) within which is housed a piston (4) and a push rod (6) acting on electrical contacts which are... | 12/31/2002 |
| 6483053 | Lock switch apparatus A lock switch apparatus comprises: a key insertion hole 7; a detection switch unit 9 for detecting the insertion of an operation key 2 in the key insertion unit 7; a lock unit 11 for locking the operation key 2 when the operation key 2 is inserted in the ... | 11/19/2002 |
| 6380846 | Pull station A pull station for an alarm includes a housing with a handle mounted for sliding movement within the housing. The housing includes a window for a user to access the handle for forcibly sliding the handle in a vertical direction. A latch is rotatably mount... | 04/30/2002 |
| 6198058 | Switch contact mechanism A switch assembly is provided that comprises a switch having a normally open contact and a normally closed contact which is electrically connected to the normally open contact and which is located either within the same housing as the normally open contac... | 03/06/2001 |
| 6084185 | Safety switch A safety switch includes a switch housing having at least one key channel into which a key can be introduced from the exterior. A plate cam projects into key channel and rotates when the key is introduced. A mechanism in secures the plate cam when the key... | 07/04/2000 |
| 6037551 | Safety switch A safety switch in which one piece of cam plate 1 (51) which rotates and moves the operating rod 6 (7) of the contact of the switch portion as the actuator 102 enters the operating portion 111 (511), and the lock plates 2, 3 (lock pieces 52, 53) are arran... | 03/14/2000 |
| 6013881 | Key operated safety interlock switch An operating head assembly for a key operated safety switch contains within its housing two inwardly biased locking plates surrounding and locking an operating cam. A key with beveled faces forces the locking plates outward, freeing the cam to rotate. A c... | 01/11/2000 |
| 5977500 | Switch assemblies A switch comprises a housing containing electrical contacts moveable from a power supply OFF position to a power supply ON position. A control mechanism is operatively coupled to the contacts, which contacts are operable by an actuator of predetermined co... | 11/02/1999 |
| 5959270 | Safety switch A safety switch includes a housing and a switching mechanism comprised of a controller drum which has opposite end faces and is rotatably mounted in the housing, and an actuator which is insertable from outside into the housing for rotating the controller... | 09/28/1999 |
| 5929404 | Safety switch assembly A safety switch includes a switch housing which accommodates a switch as well as mechanical and electrical and electronic components, and a head portion securable to an end face of the switch housing in several predetermined angular positions and accommod... | 07/27/1999 |
| 5918731 | Radius actuator for safety switches A radius actuator including an actuating member having a shaft which projects into the holder and carries the ball on that end. The ball is fixedly clamped into a clamping part which consists of two halves connected with one another by screws and which is... | 07/06/1999 |
| 5898143 | Key-operated electric safety switch A key-operated safety switch including a control roller and a component for unlocking the control roller. The unlocking component may be applied by way of a cam surface against a lock engaged in a catch of the control roller, so as to free the control rol... | 04/27/1999 |
| 5868243 | Safety switch assemblies A safety switch for a guard device associated with a machine or a device, the safety switch has a switch housing, a switch head connected to the switch housing and having a drive device actuatable by a key insertable into and removable from the switch hea... | 02/09/1999 |
| 5821484 | Safety switch A safety switch, operable by a removable coded actuator, is designed for mounting on a support surface in four different orientations. The switch has a substantially square cross-section and grooves or holes for receiving mounting fasteners extend across ... | 10/13/1998 |
| 5703339 | Safety switch A safety switch has a key (1) which, when inserted into and removed from a key channel (9), forcibly rotates a cam plate (7) and so switches over the switch. The safety switch further has an interlocking device for the cam plate (7) which is disposed adja... | 12/30/1997 |
| 5679936 | Latching control button, in particular for actuating an electrical component The plunger of a latching control button is held in its retracted position by a latching ring which is rotatable about the axis of the system and releases the plunger when the control member is depressed.... | 10/21/1997 |
| 5662212 | Radius actuator for a safety switch A radius actuator for a safety switch includes a mounting, a spring-loaded operating key secured in the mounting and moveable between a slanted initiation position and a switch-actuating position. The operating key has a head assembly which is spring-moun... | 09/02/1997 |
| 5622253 | Safety switch A safety switch with a contact-carrying spring-loaded plunger includes in a housing portion with two access openings for selective insertion by an actuator. Accommodated in the housing portion is a switching and locking mechanism with a switch wheel that ... | 04/22/1997 |
| 5587569 | Safety switch assemblies A safety switch assembly for fitting to a safety enclosure. The switch includes a rotatable cam which operates electrical contacts. An actuator is insertable into the switch housing through either of two apertures to engage locking members. The locking me... | 12/24/1996 |
