Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7255263 | Electrosurgical counter and lockout mechanism An electrosurgical apparatus having a counter/lockout mechanism that monitors the number of sterilization/use cycles the electrosurgical apparatus undergoes and indicates the number of sterilization/use cycles that have actually been performed. The counter/lockout m... | 08/14/2007 |
| 5200596 | Trip odometer assembly For a trip odometer comprising a pinion carrier and a pinion spring mounted to the pinion carrier, the improvement provided includes, on the pinion carrier, a mating surface having a thickness, two protruding locators and an underside surface, wherein eac... | 04/06/1993 |
| 5122642 | Reset device for the digit rollers of a counter A reset device (7) for the digit rollers (3) of a counter has a positioning spring (22) developed integrally on a shift drive bridge (9), the positioning spring being adapted to engage by means of a detent projection (21) into detent recesses (17-20) of t... | 06/16/1992 |
| 4970377 | Odometer An odometer having a reset mechanism with a single spring that has a torsion section acting on the reset mechanism to bias pinions into engagement with the odometer wheels and a compression section for biasing the pinions into a predetermined axial positi... | 11/13/1990 |
| 4914278 | Internally illuminated reset counter An internally illuminated reset counter employs a shaft and counter wheel portions which are manufactured from light transmissive materials. A series of axially spaced grooves in the shaft function to direct light through the counter wheels and axially ba... | 04/03/1990 |
| 4821300 | Roller counter A roller counter, which can be reset to zero position via its axis has, for the purpose of stepping its digit rollers, a lock pawl swivellably supported on a side wall of the digit rollers for being swivelled around a pin. A pestle, serving the purpose of... | 04/11/1989 |
| 4612435 | Roller counting device with zero reset mechanism A simple mechanical counting device is disclosed. The counting device includes a simple zero reset mechanism which enables the counter to be easily reset to zero by the use of a finger of the human hand.... | 09/16/1986 |
| 4572945 | Reset mechanism A reset mechanism for a cyclometer register employs teeth formed on an axially resiliently urged shaft to engage abutments formed on cyclometer drums to permit resetting of the cyclometer drums. The teeth are normally maintained out of alignment with the ... | 02/25/1986 |
| 4531050 | Tape counter A tape counter with the structure where a substantially U-shaped frame is provided with digit wheel engaging grooves vertically notched on both side plates thereof, a digit wheel shaft axially mounting digit wheels is fitted on both ends to said engaging ... | 07/23/1985 |
| 4362927 | Preselection counter with continuous display and automatic repetition of a preset value A preselection counter having a switch-off counter which is adapted to actuate a desired function when a quantity of this function determined by a preset value has been reached includes presettable indicating means having number rollers adapted to have th... | 12/07/1982 |
| 4273995 | Fuel pump counter transfer pinion A fuel pump register cost counter having a transfer pinion permitting count transfers from the units to the tens counter wheel at a substantially predetermined maximum torque through a torsion spring connection between input and output gear sections of th... | 06/16/1981 |
| 4172220 | Setting device for presettable counters In a setting device for presettable counters, a number of indicating rollers are arranged with symbols on their circumferential peripheral surfaces. Connected to each indicating roller is a ratchet wheel and an adjusting wheel. A switching device for each... | 10/23/1979 |
| 4072267 | Meter encoding register having an improved pointer shaft assembly A meter encoding register includes pointer shaft assemblies associated with each of a plurality of dials provided in the register. The shaft assemblies are rotationally interconnected to each other and to a meter movement drive through friction clutch cou... | 02/07/1978 |
| 4028530 | Counting devices A counting device of the kind having coaxial number wheels each with a reset cam and transfer pinions mounted on a shaft which is displaceable relatively to the number wheels the pinions being located between successive number wheels with each pinion mesh... | 06/07/1977 |
| 4009373 | Electro-mechanical counting register A register designed to count and display cost on a gasoline dispensing pump. The register has a 100 cent wheel which is driven by a stepping motor. As the 100 cent wheel rotates it biases a spring which, after the 100 cent wheel has completed a revolution... | 02/22/1977 |
| 3981441 | Counters A counter comprises a body housing a set of discs which are freely rotatable on a sleeve and which have numerals on their peripheries. A series of drive plates are keyed to the sleeve and interleaved with the discs. At one end of the set of discs a spring... | 09/21/1976 |
