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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7237625 | Device for simulataneously casing a hole while drilling A driving device for installing a pipe or casing, without the use of hydraulic or pneumatic means, by capturing the rotational motion of the drill string. The driving device is placed at the top end of the pipe being (42) installed and the drill string (2 | 07/03/2007 |
| 7059425 | Reciprocating power tool It is an object of the present invention to provide a reciprocating power tool having a further improved power transmission mechanism for converting a rotating output of a driving motor into linear motion in the axial direction of the tool bit. According to the pres... | 06/13/2006 |
| 6722448 | Driving tool having an impacting device A driving tool includes a block and an impactor received in a front and a rear chambers of a handle, a driving shank attached to the block, and a plunger engaged between the block and the impactor. The impactor includes a cavity formed in one end for selectively rec... | 04/20/2004 |
| 6698530 | Manual machine tool The invention is based on a hand power tool, in particular a hammer drill, with a drivable drive mechanism (12) accommodated in a housing (10) and a mechanical hammer unit (14), which is for percussion-driving a tool (16) in a tool holding fixture (18) an... | 03/02/2004 |
| 6578643 | Pneumatic ratchet drive wrench A pneumatic ratchet drive wrench of the present invention includes a pair of single springs that each bias a corresponding pawl into engagement with an output member and inhibit counter-rotation of the output member opposite the corresponding pawl. The pa... | 06/17/2003 |
| 5868208 | Power tool A power tool has a drive mechanism with an output shaft which performs an intermittent rotary motion. The output shaft drives, via an overrunning clutch, a tool drive shaft to drive a tool, which thus performs a quasi-continuous rotary motion that, as the... | 02/09/1999 |
| 5322136 | Air percussion drilling assembly An air percussion hammer drill is disclosed for operation in an earthen formation. The air compression hammer mechanism comprises a piston that reciprocates while simultaneously rotating within its housing. A hammer drill bit slidably keyed to the bottom ... | 06/21/1994 |
| 5305672 | Driving means Driving means in particular for a cutting-off device with a rotationally held cutting-off tool. In order to provide the cutting-off tool with high acceleration in a simple manner, a sledge hammer (6) is provided that cooperates with an impact surface (5) ... | 04/26/1994 |
| 5156223 | Fluid operated vibratory jar with rotating bit A downhole oil well tool uses impact, reciprocal drilling and an improved rotating bit or like working member, receiving both fluid pressure and weight from an elongated pipe string with a flow bore in order to drive the tool. A valve within tool housing ... | 10/20/1992 |
| 4958691 | Fluid operated vibratory jar with rotating bit A downhole oil well tool uses impact, reciprocal drilling and an improved rotating bit or like working member, receiving both fluid pressure and weight from an elongated pipe string with a flow bore in order to drive the tool. A valve within tool housing ... | 09/25/1990 |
| 4209070 | Air-operated self-propelling rotary-percussive downhole drill The drill has a housing receiving therein a reciprocating striker, effecting percussive action upon the tool for breaking the rock at the face of the hole, mounted at the forward part of the housing, and upon the housing itself for propelling the drill in... | 06/24/1980 |
| 3978931 | Air-operated drilling machine or rotary-percussive action The machine has a braking arrangement for retaining it against rearward motion and rotation and includes a housing accommodating therein a hammer reciprocable in operation of the machine and adapted to strike the head part of the housing, the latter havin... | 09/07/1976 |
