Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7959162 | Releasing instrument holder and method of operating the instrument holder An automatically releasing instrument holder includes a grip to be held by an operator for guiding an instrument, an actuator to be activated by the operator and a biasing device exerting a force. A clamp is moved by the actuator toward the instrument against the fo... | 06/14/2011 |
| 7381018 | Tool chuck The invention relates to a tool holder 1 for a rotating tool, especially a drilling head and/or milling head, comprising a drive shaft 4 that can be connected to a drive motor and a collet chuck 2 that is non-rotatably connected to the drive sha... | 06/03/2008 |
| 7338051 | Tool holder for a rotary hammer A tool holder (1) for a rotary hammer which has a tube like tool holder main body (10) having a side wall formed with through holes (11) for receiving corresponding locking bodies (12) and formed with additional through holes (40).... | 03/04/2008 |
| 7316404 | Drill/driver chuck A drill/driver chuck has a cylindrical member (2) with a central axial bore (4). A plurality of further bores (6) slanted with respect to the axis of the cylindrical member (4). A jaw actuator (10) is coupled to each jaw (8)... | 01/08/2008 |
| 7306396 | Connector structure with a detachable mounting tube A connector structure with a detachable mounting tube comprises a mounting pipe with an inner sliding pipe detachably secured to an end of a connector. The connector structure not only can be provided for insertion of an ordinary screwdriver head to carry out screwi... | 12/11/2007 |
| 7284936 | Tool bit and collet assembly and method A tool bit and collet assembly, and method of assembling, wherein there is a collar for holding the collet in the radially inward position to thereby hold the tool bit. Camming surfaces are between the tool bit and the collet, and between the collet and the collar, ... | 10/23/2007 |
| 7044034 | Slide stop device of a hexagonal spanner A slide stop device of a hexagonal spanner serves for preventing a rounded edged inner hexagonal screw to slide as the hexagonal spanner drives the inner hexagonal screw. The slide stop device comprises a spanner body; one end of the spanner body having a driving po... | 05/16/2006 |
| 6986517 | Coupling tube for a screwdriver head The invention relates to a coupling tube for a screwdriver head having a main body, a socket, a spring element and two engaging rings. One end of the main body is formed with an engaging seat for fixing a screwdriver's head therein by use of an engaging element. The... | 01/17/2006 |
| 6966730 | Shank installation structure and cutters A shank attaching structure with as less axial free movement as possible and of a simplified construction, a cutter for use with the shank attaching structure, and a cutter for use with the shank attaching structure which is free from an incident that the cutter bec... | 11/22/2005 |
| 6808182 | Quick release or connect chuck device A chuck device includes a body having a slot in a first end thereof and a hole is defined radially in the body and communicates with the slot. A spring is mounted to the body and is biased between a stepped shoulder on the body and a movable clamp connected to the b... | 10/26/2004 |
| 6719303 | Drill string chuck A drill rod chuck in which the closing of the jaws is effected through the use of gas springs mounted in the slidable jaw actuating jaw bowl. Further the jaws are supported by bushings against cantilever loading during drilling and the jaws are positively advanced a... | 04/13/2004 |
| 6669206 | Tool holder for a rotary hammer or chisel hammer A tool holder for a rotary hammer or chisel hammer, comprising at least one locking element, a supporting ring axially movable between a position supporting the locking element in the locked position and a second position defining a first release position... | 12/30/2003 |
| 6659473 | Chuck for a percussion hand-held power tool A chuck for a percussion hand-held power tool including a coupling sleeve (3) for receiving a working tool and having two diametrically opposite, slot-shaped, radial openings (4, 4') in which two locking members (5) radially and axially displace a locking... | 12/09/2003 |
| 6634652 | Non-galling chuck A gripping device that engages and disengages an inserted workpiece with an essentially perpendicular engagement action thereby eliminating any sliding contact with the workpiece. Such perpendicular and non-sliding engagement is achieved through the actio... | 10/21/2003 |
| 6616149 | Quick-release chuck having compact collar The quick-release chuck for a rotary power tool is provided for holding a tool bit. The chuck includes a barrel having an axial bore to receive the tool bit and an axially movable sleeve operable to position a locking member to selectively lock or release... | 09/09/2003 |
| 6543959 | Two-way quick connector A two-way quick connector for connecting a power drill to a working tool having a working end and a shank end having a circumferential groove. The connector having a drive shaft with a polygonal-shaped chuck end to be received by the chuck of a power dril... | 04/08/2003 |
| 6543789 | Chuck for a boring tool A chuck for receiving a tool shank of a boring tool and including radially displaceable engagement members (5) formlockingly engageable in the radial recesses (3) formed in the clamp region of the tool shank, an axially displaceable control sleeve (6) for... | 04/08/2003 |
| 6502317 | Blade ejection mechanism for a saw blade clamping arrangement of a power tool A powe tool includes a saw blade ejection mechanism for a saw blade clamping arrangement of a power tool. The power tool includes a housing, a drive shaft mounted for reciprocating motion relative to the housing and a saw blade. The clamping arrangement i... | 01/07/2003 |
| 6398466 | Power drivable chuck A chuck 30 is formed with a generally cylindrical body 54 formed with a bore 60 at a forward end 58 thereof. A fixed clamp segment 134 and a movable clamp segment 166 are located in radial opposition in the bore 60. A pair of ribs 142 are formed on the fi... | 06/04/2002 |
| 6360635 | Nut for accommodating the head of a fastening element or for inserting into the same A socket and/or insert (6) for accommodating a fastener head is inserted in a screwing attachment (1). The socket and/or insert (6) comprises two jaws (4, 5) which engage in a tubular holder (3) in which they are locked against rotation. The jaws can slid... | 03/26/2002 |
| 6315507 | Drill or milling head A drilling or milling head, especially for printed circuit board milling machines and/or engraving machines, having a collet chuck (11) which can be actuated by a rapid change mechanism and which is driven by a transmission. The collet chuck is opened by ... | 11/13/2001 |
| 6264208 | Chuck assembly To provide a chuck assembly which is superior in practical usability and workability in clamping and fixing a tool to a spindle without fail and with ease by lever-operation of a specialized operational jig, a taper portion is provided on at least one of ... | 07/24/2001 |
| 6250858 | Tool driver and tools therefor In the broader aspects of the invention, there is provided a new and improved tool driver having a shaft with a longitudinal axis and opposite ends and tools therefor. A boss is secured at one of said shaft ends by which the tool driver is connected to a ... | 06/26/2001 |
| 6244798 | Drill or milling head A drill or milling head (1), especially for printed circuit milling machines and engraving machines, including a collet chuck (27) which can be actuated by a rapid change mechanism. The drill or milling head includes a drive shaft which can be connected t... | 06/12/2001 |
| 6199872 | Quick-release mechanism for screwdriver bits and the like A holder for holding a tool, having an elongated housing, including a longitudinal hole having a cross-section corresponding to the cross-section of a mounting portion of the tool bit. The housing further has at least one radial hole running from an outsi... | 03/13/2001 |
| 6179300 | Tool holder A tool holder for coupling of rotating and striking tools with hand power tools has a coupling sleeve, a drive member connectable to a hand power tool and transmitting a drive movement, the coupling sleeve being connected with the drive member, a tool sha... | 01/30/2001 |
| 5690004 | Stud driver and remover having core relief recess preventing the stud from being jammed in core A stud driver and remover and a method of making the same overcomes the problems of the prior art and accommodates driving and removing of studs and subsequent removal of the studs from the stud driver and remover. The stud driver and remover constructed ... | 11/25/1997 |
| 5414888 | Grip handle chuck An improved plumbers' tool of the type employing a helically wound coiled spring which is controllably inserted into waste lines to remove blockages. In operating the tool of the invention, a storage drum from which the clean-out spring is payed out is ro... | 05/16/1995 |
| 5375489 | Self-locking universal socket tool An automatically adjustable socket transferring torque a range of bolt heads sizes in either direction comprises a pair of jaws slidable angled to a center cylinder and urged outward to a receiving position so that when the socket is set upon a bolt head ... | 12/27/1994 |
| 5322301 | Chucking tool with a wedging action for testing machines A clamping or chucking tool for clamping a test sample in a testing machine has a clamping housing for applying a wedging action to the sample with the aid of one or two clamping jaws that are activated by an operating member that is inserted into the cla... | 06/21/1994 |
| 5301573 | Stud driver and remover for studs having non-grip area A stud driver and remover for studs having non-grip areas includes an improved construction that enables the stud driver and remover to drive and remove studs without damaging a non-grip portion of the stud. The improved stud driver and remover includes f... | 04/12/1994 |
| 5299473 | Stud driver and remover for large diameter studs A stud driver and remover for large diameter studs includes an improved construction that enables the stud driver and remover to quickly remove large diameter studs that previously had to be removed usually by drilling. The improved stud driver and remove... | 04/05/1994 |
| 5011344 | Positive drive adapter The invention is a quick change holding device for tools and, more particularly, for taps. The holder has an axially movable collar cooperable with holding elements which can be placed in holding position relative to an annular groove in the tap and relea... | 04/30/1991 |
| 4872793 | Method of and apparatus for serrating a steering wheel The boss of a steering wheel is serrated by setting the steering wheel on a serrating broaching machine, inserting a serrating broach into a through hole defined in the boss of the steering wheel, and then pulling the serrating broach with a broach chuck ... | 10/10/1989 |
| 4859125 | Helical broach puller Broach pulling apparatus which eliminates play and backlash during the broach operation. Jaws carried by the broach pulling spindle engage the broach in a manner to impose axial forces thereon in opposite directions to eliminate lost motion and clearances... | 08/22/1989 |
| 4799987 | Pipe turning apparatus A pipe turning apparatus for rotatably mounting and turning a pipe and having a threaded chuck member for rotatably engaging one end of the pipe and a chuck fitting for slidably engaging the other end of the pipe. The threaded chuck member reciprocates an... | 01/24/1989 |
| 4786221 | Quick release chuck mechanism and method for achieving interchange ability of tool inserts therein An improved quick release chuck mechanism is disclosed mountable on a spindle for releasably holding a tool or the like. The chuck mechanism comprises a body member having an end surface. A tool insert having a shoulder is supported by the body member. Th... | 11/22/1988 |
| 4775160 | Clamping chuck for drill bits and chisel bits A clamping chuck for securing a drill bit, chisel bit or the like in a drilling tool includes a guide sleeve into which the bit is inserted. Clamping jaws are radially displaceably mounted in the guide sleeve with a setting sleeve encircling the jaws. By ... | 10/04/1988 |
| 4768282 | Tooling quick release/change apparatus The present invention provides an apparatus and method of utilization of the same of a quick change tool coupling for a rotational metal working or like machine. The present invention provides a tool holding coupling for use with machines with an automati... | 09/06/1988 |
| 4663999 | Socket including adjustable jaws A socket (10) for torquing nuts and bolt heads includes adjustable jaws (18) biased in an outward radial direction by associated helical springs (22) whose inner ends are engaged with a seat preferably embodied by a ball (20). A support member (16) includ... | 05/12/1987 |
