Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7308693 | Disk drive structure with an adjustable bearing structure for guide bars A disk drive structure with an adjustable bearing structure for guide bars therein. The disk drive includes a base, a spindle motor, a main guide bar located aside the spindle motor, a secondary guide bar located also aside the spindle motor but opposing to the main... | 12/11/2007 |
| 7262377 | Limit switch control device for an actuator A limit switch control device for an actuator is disposed at both ends of a linearly moveable mover and comprises at least: two limit switches, a circuit board, and a connecting rod assembly. The two limit switches are disposed on the circuit board, both ends of the... | 08/28/2007 |
| 6964213 | Low power, high torque actuator retention A smart actuator and method includes an actuating device adapted to deliver a selected driving torque to a geartrain that is coupled to an output shaft and adapted to selectively convey the driving torque from the actuating device to the output shaft to achieve a se... | 11/15/2005 |
| 6749049 | Torque limiting coupling A torque limiting coupling defines a longitudinal axis (17) and has a coupling hub (8) with circumferentially distributed through holes. Transfer elements are adjustably held in the holes. A coupling sleeve (6) has first recesses corresponding t... | 06/15/2004 |
| 5190503 | Geared rotary actuator with internal stop mechanism Weight and complexity concerns in geared rotary actuators and stop mechanisms for aircraft or the like may be minimized in the structure including a housing (18) adapted to be fixed to another structure, a rotatable input shaft (14) journalled by the hous... | 03/02/1993 |
| 5048410 | Apparatus for securely clamping a transmission shaft of a transfer feed press during its shutdown A disk is fitted over a transmission shaft which delivers drive force from a press drive to feed bars. Engagement members are selectively engaged with and disengaged from teeth on the disk so that when engagement members are engaged with the disk, the mov... | 09/17/1991 |
| 4923039 | Interactive dual shaft input signal timing mechanism A timing mechanism (10) is provided in which input gear (11) is fixed on one shaft (12) for operating one system such as a door to move between two positions. A differential nut (14) is also provided on the shaft (12) for axial movement therealong. The di... | 05/08/1990 |
| 4869126 | Mechanical mode shifter A mechanical mode shifter is provided including an input and first and second outputs, which rotate simultaneously during a first portion of operation. The first output is coupled to the input for providing a continuous drive to the first output. Timing m... | 09/26/1989 |
| 4697676 | Safety device for garage doors and the like A safety device for garage doors wherein the door can be pulled down against the opposition of one or more torsion springs acting upon a horizontal shaft has a housing for a gear which is non-rotatably mounted on the shaft and whose peripheral teeth and t... | 10/06/1987 |
| 4676352 | Combination gear drive with improved clutch assembly A combination, right angle gear drive including a clutch assembly with a drive clutch mechanism and a non-reverse clutch mechanism. The gear drive has a top-mounted motor stand for a primary power source and a horizontal drive shaft adapted for coupling t... | 06/30/1987 |
| 4467896 | Locking mechanism for a rotary power machine A locking mechanism for a rotary power machine, such as a hand-held power tool, includes a housing-mounted locking pin manually actuatable from a retracted position to an extended, operative position in which the lock pin is received within a pin-receivin... | 08/28/1984 |
| 4330052 | Combined stop and limit switch A limit switch gauge positioner for a machine ram supporting a forming tool or the like. The ram, supported for reciprocal movement relative to a head, has a lineal distance gauging rod thereon formed with a plurality of longitudinally graduated reference... | 05/18/1982 |
| 4281748 | Indexing and synchronizing clutch mechanism An indexing and synchronizing clutch mechanism is disclosed which allows a driven shaft to be stopped in a precise indexing position and to be restarted from the indexing position in exact synchronization with a drive shaft. The mechanism comprises a rota... | 08/04/1981 |
