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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7284940 | Nail having flexible sleeve mounted thereto A nail includes a shank with a head and a tip portion on two ends of the shank. Two guide flanges extend radially outward from the shank and a flexible and deformable sleeve is mounted to the shank and located between the two guide flanges. The nail penetrates an ob... | 10/23/2007 |
| 7140826 | Shaped anchor An anchor for masonry. The anchor is relatively smooth walled and is forcibly driven into a hole formed in masonry or other suitable material for purposes of attaching fixtures. When driven into the hole, a shaped portion of the anchor is deformed in such a manner a... | 11/28/2006 |
| 7104105 | Method and apparatus for producing a threaded projection on a plate-shaped workpiece A method, machine system and thread cutting device for producing a threaded projection on a plate-shaped workpiece and in particular on a sheet-metal workpiece. A workpiece lug (2) is cut with a threaded contour in the principal plane of the workpiece and at ... | 09/12/2006 |
| 7097405 | Method and apparatus for fastening steel framing with staggered teeth nails A piercing nail with a spring member that deforms as the nail penetrates through framing members engages with a bottom surface to framing members together. ... | 08/29/2006 |
| 7077613 | Method and apparatus for fastening steel framing using helical features A pin with threads that extend along a portion of a stem of the pin interact with framing members as the pin is driven through the framing members. The interaction of the threads with the framing members cause the pin to rotate as the threads pass through the framin... | 07/18/2006 |
| 7014408 | Method and apparatus for fastening steel framing with self-locking nails A harpoon nail having two or more sets of teeth on opposite sides of fingers that deform while penetrating the framing members. The teeth engage with a bottom surface to fasten the framing members together. A piercing nail having sets of teeth on two edges penetrate... | 03/21/2006 |
| 7007695 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks A component is attached to filtration material by providing the component with a deformable extension member that is preferably integral with the component and that extends from a base portion of the component. The extension member is inserted through an opening pro... | 03/07/2006 |
| 6959709 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks A component is attached to filtration material by providing the component with a deformable extension member that is preferably integral with the component and that extends from a base portion of the component. The extension member is inserted through an opening pro... | 11/01/2005 |
| 6739101 | Methods and apparatus for manufacturing muntin bar assemblies Methods and apparatus for assembling muntin bar lattices and spacer frames for use in insulating glass units are disclosed. One method of assembling a muntin bar lattice in accordance with the present invention comprises the steps of providing a muntin bar segment a... | 05/25/2004 |
| 6449776 | Removable mounting bracket for expanded plastic foam articles The mounting bracket of the present invention includes an integrally molded head portion and article attachment portion that are formed of a flexible plastic material. The head portion is shaped for insertion into a cavity that is molded into an EPS artic... | 09/17/2002 |
| 6086305 | Nails having selected heat treatment and hardening A selectively hardened nail includes a nail head, an elongated shank, and a tip. A portion of the nail shank is made harder than the remainder by selectively heat treating that portion, and cooling it. The nail has controlled bending properties. The selec... | 07/11/2000 |
| 6042317 | Nail with expansion region A nail comprises a shank having a front end face, two bowed expansible arms forming an expansion region and having a free space therebetween, and a straight shank portion located before the expansion region, the free space being formed as a longitudinal c... | 03/28/2000 |
| 5788039 | Clutch cover and clutch comprising such a cover A clutch cover having balancing holes (31) for fixing a balancing device. At least one recess (32) is formed in the cover adjacent to one of the balancing holes (31) wherein the recess reduces the local thickness of the cover plate.... | 08/04/1998 |
| 5772379 | Self-filling staple fastener A staple fastener is provided with filler material disposed between its leg portions for filling a cavity in a substrate, which cavity is formed above a head of the staple when the staple is driven into the substrate. The filler material extrudes from the... | 06/30/1998 |
| 5567101 | Lock-in grip arm shank nail A lock-in grip arm shank nail provides holding power. The nail has a shank between a head for driving the and a point to penetrate the surface. The shank includes at least one set of apertures parallel to the head and capable of receiving a u-shaped wire.... | 10/22/1996 |
| 5522844 | Suture anchor, suture anchor installation device and method for attaching a suture to a bone A suture anchor to secure a suture within a bore in a bone is disclosed, together with a suture anchor installation tool and method for deploying the suture anchor using the installation tool. The anchor includes a cylindrical body portion integrally asso... | 06/04/1996 |
| 5460466 | Fixing devices A moulded nylon glass fiber reinforced fixing device has an elongate body with leading and trailing ends, the body comprises two or more similar legs which splay apart to hold the device in position when the leading end is driven into blockwork. Devices s... | 10/24/1995 |
| 5299897 | Masonry fastener A one-piece fastener adapted to be driven into a drilled hole in masonry material. The fastener includes features which define a helical flight causing the fastener to rotate as it is driven in place. The fastener shank is configured to cause abrasion of ... | 04/05/1994 |
| 5217194 | Yard swing stabilizer apparatus Support tubes of an associated yard swing arrangement are mounted to stabilizer apparatus, including an upper tube portion coaxially mounted to a lower tube portion. The lower tube portion includes a "V" shaped anchor plate member arranged for projection ... | 06/08/1993 |
| 5112177 | Flexible fastener A flexible retainer which may be used to attach papers and the like to a wall, bulletin board, etc. includes a body formed from flexible material with a spacer section and at least two finger grips extending outwardly away from the spacer section, and at ... | 05/12/1992 |
| 5069588 | Anchoring device An anchoring device having a head and a shank to be forcibly driven into a hole defined within concrete or is disclosed. The shank has proximal, transitional, and distal portions defining respective axes that do not coincide when the shank is unstressed a... | 12/03/1991 |
| 5049018 | Fastener for gripping a substrate material A fastener having a head portion, a shaft portion, and a hook portion which secures the fastener within a substrate. The hook portion may have a plurality of serrations on a surface thereof for gripping a substrate. The hook may be of a material having a ... | 09/17/1991 |
| 5015135 | Flexible fastener A flexible retainer which may be used to attach papers and the like to a wall, bulletin board, etc. includes a body formed from flexible material with a spacer section and at least two finger grips extending outwardly away from the spacer section, and at ... | 05/14/1991 |
| 5011354 | Concrete fastener apparatus A fastener for use particularly to temporarily secure wood strip members to a concrete substrate includes an upper cylindrical head overlying a first cylindrical shank, with a truncated conical further head coaxially aligned with the cylindrical head, wit... | 04/30/1991 |
| 4941781 | Mechanical drilling aid A mechanical drilling aid serves for guiding a drilling tool (42) when drilling a bore into an object, in particular into a wall (39), eccentrically to an existing faulty bore (20), when the cross-sections of the faulty bore (20) and the correct bore inte... | 07/17/1990 |
| 4898502 | Mechanical drilling aid A mechanical drilling aid serves for guiding a drilling tool (42) when drilling a bore into an object, in particular into a wall (39), eccentrically to an existing faulty bore (20), when the cross-sections of the faulty bore (20) and the correct bore inte... | 02/06/1990 |
| 4776739 | Plastic drive fastener A one-piece plastic reusable push-in fastener for insertion into an aperture in a workpiece comprising a head portion and a shank portion, the shank portion being integrally formed to one side of the head portion with its longitudinal axis extending away ... | 10/11/1988 |
| 4736560 | Peel rivet A rivet having a head portion and a body portion, with a bore through the head portion and body portion, said bore being capable of receiving a mandrel having a head portion with a self-piercing end portion and a cutting portion. The self-piercing end por... | 04/12/1988 |
| 4719917 | Surgical staple A surgical staple and method for its use in closing an opening in mammalian tissue are disclosed. The staple comprises a central portion of strong, ductile, non-absorbable material and lower leg portions of absorbable material positioned at opposite ends ... | 01/19/1988 |
| 4696423 | High capacity shear fastener A hollow sheet metal steel fastener for joining wood and/or wood product assemblies subjected to high shear and bending stress loadings. The fastener comprises an elongated, equilateral triangular tubular shaft with continuous stiffening ribs along the ce... | 09/29/1987 |
| 4630983 | Expansion pin The disclosure relates to an expansion pin consisting of a shank which at one end is provided with means for securing articles and at the other end is provided with a point. In order to obtain an anchoring having further expansion effect, the shank has an... | 12/23/1986 |
| 4600345 | Impact fastener device An impact fastener especially adapted for holding batts of insulation to sheet metal is disclosed. A characterizing feature of the fastener resides in the provision of three stabilizing legs which are configured to engage the surface of the receiving meta... | 07/15/1986 |
| 4456416 | Anchor nail fastener having chisel point The end of the nail guide and deflector tube of an anchor nail fastener is flattened to form a chisel point. The chisel point is oriented with respect to the nail exit side aperture of the tube to provide the most effective relationship between the latera... | 06/26/1984 |
| 4265226 | Incision closing method The invention relates to an improved method and means for closing an incision with surgical clips wherein the clips have a preformed preliminary skin hooking portion and a portion deformable on application to hook the skin on the opposite side of the inci... | 05/05/1981 |
| 3983779 | Nail An improved sheet metal nail utilizing a protrusion, or protuberance, aligned with the locking tangs and interposed the tangs and the leading edge of the nail is provided. The protrusion enters the media into which the nail is driven prior to entry of the... | 10/05/1976 |
