Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7410010 | Hydraulic impact mechanism A hydraulic impact mechanism includes a housing with a cylinder bore, a forward working chamber and a rear working chamber, a hydraulic fluid supply passage connected to the forward working chamber and a drain passage connected to the rear working chamber, a hammer ... | 08/12/2008 |
| 7392855 | Vibratory pile driving systems and methods A drive system for driving and/or extracting an elongate member. The drive system comprises a piston drive assembly, a hydraulic system, and a vibration drive assembly. The piston drive assembly comprises a piston member, and the piston member engages the elongate m... | 07/01/2008 |
| 7306047 | Impact hammer drill An impact hammer drill capable of performing drilling operation at a high speed with low noise and without requiring a large thrust. The drill includes a main shaft rotatable by an output shaft of a motor, and a spindle having an impact-receiving section and dispose... | 12/11/2007 |
| 7234537 | Sonic drill A sonic drilling apparatus having a work piston within a cylinder chamber to provide a vibratory force through the alternate application of fluid under pressure into the bore above and below the piston in a manner that the piston will be forced to reciprocate within... | 06/26/2007 |
| 7207116 | Air saw A main spindle of an air saw is reciprocated by sliding a piston in a cylinder chamber with the pressure of air supplied to the cylinder chamber via an air supply path so as to alternately apply the air pressure to pressure-receiving surfaces of a back plate and a f... | 04/24/2007 |
| 7156190 | Impact tool An impact tool has a slidable hammer that is driven by hydraulic oil under pressure inside a chamber. The hydraulic oil is pressurized by a piston driven by compressed gas on the opposite side of the piston from the hydraulic oil. The gas in the gas chamber is compr... | 01/02/2007 |
| 7117779 | Driver for power tools A power source (10) for providing energy to drive a mechanical device including a receiving chamber (11) and discrete propellant charges (23) for selective detonation whereby gases generated by the selective detonation expand into the receiving ... | 10/10/2006 |
| 6994175 | Hydraulic drill string A hydraulic drill string device can be in the form of a percussive hydraulic in-hole drilling machine that has a piston hammer (50) with an axial through hole (51) into which a tube (35) extends. The tube forms a channel for flushing fluid from ... | 02/07/2006 |
| 6988564 | Diesel hammer systems and methods A diesel hammer system for driving a pile, comprising a housing, an anvil member supported by the housing, a clamp assembly adapted to connect the anvil member to the pile, and a ram member disposed within the housing. A fuel pump system injects fuel into a combusti... | 01/24/2006 |
| 6973822 | Safety drive hammer for a dynamic cone penetrometer Drive hammer assembly with a drive hammer and rod is used with dynamic cone penetrometer tests. A rod end is attached to a cone penetrometer used to measure strength and density of soil. The assembly has no exterior impact zones, eliminating any chance of user injur... | 12/13/2005 |
| 6932166 | Pneumatic tool A pneumatic tool (20) for impacting a workpiece (22) is provided. The tool (20) comprises a casing (42) defining a chamber (48). A piston (54) is slidable within the chamber (48) along an operational axis (A). An exha... | 08/23/2005 |
| 6896071 | Drive systems and methods for sheet piles A drive system for driving a sheet pile member at a desired location in the ground. The drive system comprises a source of pressurized air, an actuator system defining a drive axis, and an adapter member. The actuator system comprises a housing assembly having an in... | 05/24/2005 |
| 6889777 | Implement for driving posts A post driving implement for use with a vehicle, such as a tractor or a skid loader, is disclosed. The post driving implement is comprised of a hammer, a hammer channel, and a hammer cylinder. The hammer travels longitudinally within the hammer channel and is lifted... | 05/10/2005 |
| 6877569 | Method for controlling operating cycle of impact device, and impact device A method for controlling the operating cycle of an impact device, and an impact device. Percussion piston position is measured using a sensor (11) from which the measurement data is transmitted to a control unit (12) of the impact device, which in turn... | 04/12/2005 |
| 6736218 | Diesel hammer systems and methods A diesel hammer system for driving piles. In one form of the invention, a control pinion is attached to a cam member employed to adjust the volume of a fuel portion of a pump chamber. A control rack is arranged to engage the control pinion such that linear movement ... | 05/18/2004 |
| 6702045 | Drilling apparatus There is provided drilling apparatus (10) comprising a hammer casing (11), a free piston motor piston guide and porting sleeve (12), a drive sub (13), a drill bit (15) splined by shank (16) to the drive sub (13). Below the splined portion (17) the drive s... | 03/09/2004 |
| 6499544 | Percussive down-the-hole hammer for rock drilling, and a one-way valve used therein A down-the-hole percussive hammer includes a casing, a drill bit attached to a lower end of the casing, and a reciprocable hammer for impacting against the drill bit. A top sub attached to an upper end of the casing includes a central passage for conducti... | 12/31/2002 |
| 6474421 | Downhole vibrator A vibratory impact tool for loosening downhole stuck objects in oil or gas wells, utilizing an internal piston spring which is repeatedly compressed by hydraulic pressure, and repeatedly released by lifting a dart valve from a valve seat on a flow-through... | 11/05/2002 |
| 6415876 | Hand-held tool with a linear oscillating drive A motor housing (11) is mounted in a handle body (10) so as to slide in the longitudinal direction. A tubular pipe (37) that can slide in a bore (38) of the body (10) projects from the back of the housing (11). Compressed air can be applied to the bore (3... | 07/09/2002 |
| 6371223 | Drill head for directional boring A drill head for an apparatus for directional boring includes a bit having a cutting portion for use in steering, such as a gage tower mounted with carbide studs, suitable for cutting both hard and soft rock, a holder for a device for detecting angular or... | 04/16/2002 |
| 6328116 | Arrangement in connection with a hydraulic breaking apparatus The invention relates to an arrangement in connection with a hydraulic breaking apparatus, the arrangement comprising a housing (4) placed around a percussion hammer (1), and a changeable wearing element (6) arranged at the lower part of the housing. The ... | 12/11/2001 |
| 6318478 | Damper pressure control apparatus for hydraulic rock drill A damper pressure control apparatus for a hydraulic rock drill is automatically adjustable of damper pressure to be applied to a damping piston depending upon a thrust of a rock drill body and makes damping function and floating function effective even wh... | 11/20/2001 |
| 6202757 | Impact machine When cutting metal rods, for instance, percussion machines are used that utilize stored kinetic energy which has been produced either mechanically or by the use of compressed gas. A drawback is the inability to accurately control the cutting process. The ... | 03/20/2001 |
| 6161631 | Environmentally friendly horizontal boring system A system for drilling a horizontal bore through frangible material includes a barrel mechanism containing a automatically reciprocating piston mechanism for automatically delivering hammering blows to a bit for chipping away the frangible material, a flui... | 12/19/2000 |
| 6102133 | RAM For selective operation in a Diesel mode and a pressure air mode a Diesel type pile hammer is additionally equipped with a pressure air accumulator, which is connected to the working space of the cylinder by a servo valve.... | 08/15/2000 |
| 5944120 | Hydraulic hammer assembly having low vibration characteristics A hammer assembly which decreases the severity of impact shocks generated by the hammer assembly during operation thereof is disclosed. The hammer assembly includes a housing defining a chamber. The housing further defines an injector port and an exhaust ... | 08/31/1999 |
| 5944118 | Pneumatic impact breaker A pneumatic impact breaker comprises a housing (11) with a cylinder bore (20), a hammer piston (28) with a piston head (63) and an impact delivering stem portion (64), an anvil (14) displaceably supported in a cylinder bore extension (50) and normally abu... | 08/31/1999 |
| 5896937 | Buffer mechanism of hydraulic impact apparatus The present invention relates to a buffer mechanism of a hydraulic impact apparatus of a rock drill, and the like, and the buffer mechanism reduces damage by buffering the reflected energy from a shank rod (2), and enables to apply impact by advancing a b... | 04/27/1999 |
| 5887665 | Striking element The striking element (1) according to the invention serves for the production of shocks which act on a tool. It has a body (3) with a plurality of parallel bores (4). A piston (2), heavy in mass, runs pressure-tight in each of these bores (4) and strikes ... | 03/30/1999 |
| 5566771 | Reversible casing for a self-lubricating, fluid-actuated, percussive down-the-hole drill A reversible casing for a fluid-actuated, percussive, down-the-hole drill is provided with a tubular body having an internal surface forming a bore extending along a longitudinal axis. The internal surface has a profile that is a mirror image about a cent... | 10/22/1996 |
| 5485887 | Pneumatic impact tool and piston for a pneumatic impact tool The impact tool is provided with a piston (15) oscillating within a cylinder (10). For selecting, with which piston impact surface the piston (15) impacts on the head (7) of a tool holder (2) and accordingly for the selection whether the impact tool gener... | 01/23/1996 |
| 5311948 | Soft mount air distributor A valveless percussive pneumatic drill includes a housing, a piston in the housing, reciprocating along the axis of the housing, a piston support bearing in the housing and an air distributor in the housing, the air distributor being mounted in the housin... | 05/17/1994 |
| 5279120 | Hydraulic striking device A hydraulic striking device requiring no complicated adjustment of the flow rate of hydraulic fluid from the hydraulic pressure source of a hydraulic construction machine, etc. and operable by utilizing the power unit of a variety of such hydraulic machin... | 01/18/1994 |
| 5259462 | Soft mount air distributor A valveless percussive pneumatic drill includes a housing, a piston in the housing, reciprocating along the axis of the housing, a piston support bearing in the housing and an air distributor in the housing, the air distributor being mounted in the housin... | 11/09/1993 |
| 5249634 | Impact borer for embedding lines, anchoring cables, and sinking wells An impact borer having a shell and an air drive within the shell. The air drive includes a ram for reciprocation within the shell and a manifold joined to the shell. The manifold defining an inlet passage delivering air to the air drive and an outlet pass... | 10/05/1993 |
| 5183121 | Submersible pneumatic drilling unit This heavy duty equipment comprises a working cylinder, a striking piston, an upper lid and a holder of a drill bit. An anterior side duct in the wall of an upper working space of the working cylinder, communicating via an upper filling duct and a posteri... | 02/02/1993 |
| 5163519 | Pneumatically driven reverse impact device A device for removing pins, nails, dowels, rods, and the like from material which includes wood, metal, concrete, and human and animal bone, includes a pneumatically actuated piston producing a reverse impact striking effect which causes extraction of the... | 11/17/1992 |
| 5154667 | Power hammer improvements Improvements to diesel power hammers which allow the hammers to be operated smokelessly are disclosed. Kerosene and synthetic oil replace diesel fuel and mineral oil as fuel and lubricant, respectively, in hammers incorporating prior art design improvemen... | 10/13/1992 |
| 5152352 | Pneumatic percussion tool, especially for the preparation of bones A piston is oscillating periodically within a cylinder, propelled by compressed air. At at least one of its end positions, the piston generates a stroke that acts on a working tool, e.g. a rasp. The sizes of the piston surfaces acted upon by the compresse... | 10/06/1992 |
| 5134989 | Hydraulic breaker A hydraulic breaker includes a piston which is designed in the five-staged configuration including a first stage, a second stage, a third stage, a fourth stage and a fifth stage. The second stage is dimensioned to have a largest diameter, the fourth stage... | 08/04/1992 |
