Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 6349948 | Universal bit adapter A universal bit adapter includes: an adapting member clamped in a chuck or spindle of a tool having a shank hole longitudinally formed in the adapting member for inserting a tool bit into the shank hole; a sleeve coupled to a front portion of the adapting... | 02/26/2002 |
| 6059493 | Manual machine tool with tool holder and appropriate tool The hand-held machine tool has a tool holder (20) provided with a receptacle (19) into which a shaft portion (15) of a tool (16) is axially insertable. The tool holder (20) has a longitudinal axis (11) and includes a guide device (18) for axially guiding ... | 05/09/2000 |
| 5033922 | Apparatus for driving spindles of machine tools In apparatus for driving a spindle of a machine tool, the spindle being rotatably supported in a spindle housing and received in a took mounting opening adapted to be inserted with a pull stud at a front end thereof, including a took clamping drawbar prov... | 07/23/1991 |
| 5022278 | Draw bar mechanism In a wedge ring mechanism for providing a collet clamping force in a machine tool spindle, a sleeve member retains a plurality of steel balls. A mechanical advantage is realized as the balls are wedged between obliquely inclined surfaces. The sleeve membe... | 06/11/1991 |
| 4567695 | Method and apparatus for machining roller bearings An improved method of machining the raceway of a roller bearing race for cylindrical rollers having two concentric cylindrical surfaces with one surface being the raceway and the other cylindrical surface being the seating surface of the roller bearing ra... | 02/04/1986 |
| 4551050 | Threaded engagement means According to a depicted embodiment thereof, the novel threaded engagement means comprises a drill rod coupling which is centrally bored and threaded to receive threaded drill rods. A stack of apertured discs, however, engages and lines the threaded bore. ... | 11/05/1985 |
| 4505343 | Plural-part earth bit, and an improved bit head therefor According to a depicted embodiment thereof, the novel earth bit comprises a shank having a threaded end and a bit head centrally bored and threaded to receive a shank. A stack of apertured discs, however, is interposed between the threaded bore or cavity ... | 03/19/1985 |
| 4413689 | Plural-part earth bit, and an improved bit head therefor According to a depicted embodiment thereof, the novel earth bit comprises a shank having a threaded end and a bit head centrally bored and threaded to receive a shank. A stack of apertured discs, however, is interposed between the threaded bore or cavity ... | 11/08/1983 |
| 4162080 | Drill chuck A drill chuck, specifically for use on a portable powered drill, for selectively and releasably engaging the shank of a drill bit. The chuck includes a support secured to the drive shaft of the drill, and an actuator which is axially movable relative to t... | 07/24/1979 |
| 4019827 | Drill stop A housing to fit over a drill contains a pair of sleeves with facing inclined surfaces that approach each other to force a washer located between the surfaces into an inclined position to lock onto the drill. A spring located on each side of the washer ex... | 04/26/1977 |
| 3995967 | Simultaneously expanding and contracting annular coupling device For drivingly connecting the external cylindrical surface of an inner machine element to the internal cylindrical surface of an outer machine element, such as a shaft to a pulley, forward and rearward clamping rings are spaced axially apart from one anoth... | 12/07/1976 |
