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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 |
| 7455061 | Bubble diverter for use with diving equipment A diving helmet bubble diverter comprises a front skirt portion and a rear skirt portion attached to the front skirt portion at one end. The rear skirt portion is configured for mounting onto the diving helmet breathing regulator assembly. The attached front and rea... | 11/25/2008 |
| 7406964 | SCUBA walk improved underwater breathing apparatus An improved underwater breathing apparatus includes a gas- and liquid-tight helmet, with an attached air valve, tank coupling and tank bracket. The helmet further includes a flange generally conforming to the shoulders of a user, and incorporates ballast material. T... | 08/05/2008 |
| 7243650 | Custom fitted mask configured for coupling to an external gas supply system and method of forming same According to one embodiment, a method of forming a custom fitted mask configured for coupling to an external gas supply system includes applying a first sheet of deformable material against a contact portion of a user's face surrounding the user's nostrils while the... | 07/17/2007 |
| 7163012 | Diving snorkel assembly including a casing A diving snorkel assembly includes a snorkel tube and a casing. The snorkel tube includes a first portion and a second portion telescopically disposed relative to each other. The snorkel tube further includes an inner surface that defines an air passageway. The air ... | 01/16/2007 |
| 7089929 | Snorkel mouthpiece set A mouthpiece set of a snorkel including a base, a connector, and a mouthpiece, wherein the base connecting to the snorkel and the connector having an upper end connecting to the mouthpiece and a lower end including a sphere inserted into a concentric hollow cylinder... | 08/15/2006 |
| 7058990 | Lightweight lens retainer's diving mask Provided is a lightweight lens retainer's diving mask comprising a waterproof plastic head covering, a frame formed forwardly of the head covering, the frame including holes spaced around its inner edge, an integral, elongate lens including two notches formed at bot... | 06/13/2006 |
| 6990995 | Valve-leaf protective structure for pressure for regulator of air tank used in diving A valve-leaf protective structure for pressure regulator of air tank used in diving mainly includes a valve-leaf seat being provided at a lower center with a retaining hole and at two sides with two raised supports, each of which is provided at an upper inner surfac... | 01/31/2006 |
| 6981500 | Respiratory tube without fastening assemblies A front-worn respiratory tube without fastening assemblies namely fastening rings, hooks, buttons, clamps, sheaths or strips, includes a head-top-portion tube, a forehead-portion tube, a mouth-eyebrow-portion tube, a mouthpiece and a fish-mouth-shaped mouthpiece in ... | 01/03/2006 |
| 6681766 | Regulator for diving An air guide tube 62 is mounted within a tubular portion 42 formed in a housing 13 of a regulator 1 for diving. One end of the tube 62 is formed with a valve seal 63A against which a valve 72 is pressed and another end opposite to this end is formed on it... | 01/27/2004 |
| 6679253 | Automatic water stopper for snorkel An automatic water stopper for snorkel mainly includes from bottom to top a lower case having radially equally spaced upright air tubes, a float and a water-stopping diaphragm having corresponding radiated cross section, an air path disk, and an upper cas... | 01/20/2004 |
| 6644307 | Scuba diving bubble diverter for improving vision and decreasing bubble noise A scuba diving bubble diverter adapted for use by a diver wearing a diving mask and air regulator and employing a skirt system for diverting bubbles emanating from the breathing regulator away from the diver's head.... | 11/11/2003 |
| 6622722 | Water preventing equipment of a snorkel The present invention relates to a water preventing equipment fo a snorkel, that attaches to the end of a snorkel, which includes an embodiment and a cover. The embodiment contains a first room and a second room, which is divided by a baffle. The first ro... | 09/23/2003 |
| 6598239 | Draining structure for diving mask A draining structure for diving mask includes a soft head cover fixedly connected to a rigid skirt framing a lens. The soft head cover includes a forward projected nose portion having a draining valve provided at a bottom thereof to be openable only in an... | 07/29/2003 |
| 6478024 | Snorkeling equipment Embodiments of improved snorkeling equipment are disclosed, each enabling a swimmer to submerge his or her head and body a few feet beneath the water surface, to swim freely beneath the water surface without concern for the position of the air tube, and t... | 11/12/2002 |
| 6435178 | Swim mask with floating air-suction device A swim mask apparatus having a mask equipped with a floating air-suction device is provided. The mask includes a plurality of straps extending from two lateral sides thereof to firmly attach the mask to a wearer's head and thereby provide watertight prote... | 08/20/2002 |
| 6408844 | Breathing apparatus A breathing apparatus adapted for use in combination with a tube for swimming, the breathing apparatus includes a floatable body having a hollow case for floating over water level and an opening; and a breathing assembly mounted detachably. The breathing ... | 06/25/2002 |
| 6371108 | Dryest snorkel The instant invention is a skin diving snorkel having a conduit with an end above the water surface, and an underwater end that terminates in a mouthpiece. The mouthpiece provides a flow path between the conduit and the interior of the diver's mouth. A bu... | 04/16/2002 |
| 6363929 | Snorkel having a secure yet adjustable strap hook A snorkel with a unique strap hook and snorkel tube arrangement which permits both selective release and adjustment of the strap hook, but only when release or adjustment is desired and not by inadvertence. In a preferred embodiment, the snorkel tube is p... | 04/02/2002 |
| 6354291 | Diving regulator with valved mouthpiece A second stage diving regulator of the type used by scuba divers is provided. The regulator comprises a regulator housing and a mouthpiece. The regulator housing includes an inhalation chamber having a port, and a demand valve that releases air to the por... | 03/12/2002 |
| 6295983 | Foldable snorkel Aeration tube provided on its lower end with a mouthpiece (2) and on its upper end with an air intake hole (41), such tube consisting in its length of two or more tubular elements (1, 3) connected in such a way that the tube can be folded two or more time... | 10/02/2001 |
| 6263871 | Mouthpiece with coupler A mouthpiece is provided having a quick connect coupler to facilitate the rapid replacement of mouthpieces for use with breathing devices that may be used by many different individuals, such as in diver training classes and rental operations. In a preferr... | 07/24/2001 |
| 6206000 | Canine scuba diving apparatus The invention is a special modified scuba diving apparatus intended for use by an animal, and more specifically the famous diving dog "Shadow." The invention includes a helmet, a harness for supporting the helmet and a source of breathable gas, a special ... | 03/27/2001 |
| 6089225 | System and method to prevent the transmission of pathogenic entities between the multiple users of second stage regulators A mouthpiece for use with breathing devices of the type used by scuba divers is provided. The mouthpiece includes-at least one no-return valve to allow exhalation directly into the ambient environment. Additional no-return valves can be incorporated into ... | 07/18/2000 |
| 5979441 | Structure of draining mechanism for soft nose protrusion type diving mask The present invention is to offer an improved structure of draining mechanism for soft nose protrusion type diving mask, which essentially comprises a valve flap seat with a plurality of through holes, is directly and integrally jointed at the bottom of a... | 11/09/1999 |
| 5947784 | Apparatus for producing toroidal bubbles and method A device that produces toroidal bubbles of gaseous fluid when operated in immersed relation to a body of liquid fluid. A first embodiment is operated by a person who blows into a first end of the device with a short burst of air, and a second embodiment i... | 09/07/1999 |
| 5893362 | Snorkelling device A snorkelling device for supplying air to a person by unassisted lung function to a depth of approximately one meter. The device may be used upon or below the surface of the water. It comprises an air intake incorporating a float valve (14) for closing th... | 04/13/1999 |
| 5860168 | Dive mask A dive mask having a drain and deflector flow guide soft skirt. The flexible skirt has a built-in purge valve and a nose compression recess on each side of a nose enclosure. The skirt thus exhausts and deflects exhaled bubbles away from the diver's line o... | 01/19/1999 |
| 5724958 | Breathing hood A breathing apparatus for survival gear is provided by a head receiving hood that is sealed over the head of the user and has sufficient volume to provide breathing air for at least a selected period of time while submerged and is made of a material that ... | 03/10/1998 |
| 5724961 | Valve arrangement and a breathing regulator which includes such a valve arrangement A valve arrangement intended particularly, but not exclusively, for use with a breathing regulator (1) for underwater breathing apparatus includes an outlet side, an inlet (11) through which gas can pass to the outlet side from a source of gas having a pr... | 03/10/1998 |
| 5701884 | Snorkel with strobe light The snorkel with a strobe light includes a strobe light mounted in a casing. A transparent cap covers the light at the top of the casing. A controllable strobe circuit also mounted in the casing. The strobe circuit includes a user actuatable switch and a ... | 12/30/1997 |
| 5687712 | Underwater breathing apparatus Underwater breathing apparatus with improved ease of handling comprises a cylinder, a meter and a quick coupling on the cylinder and on the meter, together with a flexible hose having quick couplings at its ends.... | 11/18/1997 |
| 5642529 | Diving face mask A diving face mask comprising a purge valve is mounted in a predetermined region extending along a top and transversely opposite sides of a frame thereof and a tubular water purge channel provided inside said frame, said purge channel having an outlet at ... | 07/01/1997 |
| 5632268 | Multiple purpose fixed or portable oxygen delivery system An improved oxygen delivery system for use in a fishing vessel which is capable of distributing oxygen to individual fish and minnow live-well holding tanks for oxygenating the water within each such holding tank to sustain the fish and minnows therewithi... | 05/27/1997 |
| 5608920 | Diver's face mask with offset purge valve A diver's face mask having a centrally offset purge valve which is easily purged by tilting the mask toward the purge valve to accumulate any water within the mask and exhaling through the nose.... | 03/11/1997 |
| 5606967 | Mask and snorkel assembly A mask and snorkel assembly including a float having a circular center recess and a center through hole at the center of the center recess, a snorkel retained in the center recess of the float by a locating block thereof and having a top end turned down a... | 03/04/1997 |
| 5558466 | Diving mask with a structure for drain and flow guide A diving mask with a drain port on the lower front of a nose on the frame body of the mask. A flow guide tube is connected to the drain port and bent toward the lower edge of the nose. The flow guide tube of the drain port is provided with a check drain v... | 09/24/1996 |
| 5524611 | Swimming mask with automatic drainage Here discloses a swimming mask with a mobile cover which is able to close the air valve when the water comes in and open the air valve when water fades away, allowing only air to be exchanged. Within the plastic protective cover, there is an open valve se... | 06/11/1996 |
| 5524612 | Drinking device for divers A drinking device for divers includes a bag in which edible liquid is contained, a pipe, a cylinder and a pump, the pipe is connected between the bag and the cylinder via the pump, the cylinder is disposed to a mouthpiece received in a diver's mouth and h... | 06/11/1996 |
| 5503140 | Second stage demand regulator A regulator of the type used for second stage regulation of air or breathing gas having a circular portion and a valve body mounted within the body. A diaphragm is mounted in the circular portion which responds to pressure differentials on either side of ... | 04/02/1996 |
| 5479917 | Structure of diving mask The present invention is related to a structure of diving mask wherein a nose notch is formed on the soft skirt of diving mask, a nose slot is provided in a corresponding position on the mask frame can nest the nose notch, a plurality of frame slots are p... | 01/02/1996 |
