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...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 |
| 6712263 | Mechanical numeral wheel counter that can output switch signals and a method of reading the switch signals A mechanical numeral wheel counter comprising several numeral wheels and switch sensors set alternatively around the numeral wheels. The circumferences of the numeral wheels are divided into equal spaces and a sensing material is placed on each of the spaces. As the... | 03/30/2004 |
| 6149054 | Mechanical counter for a metering apparatus A metering apparatus for metering for example a medicament requires a device with which the number of metering portions is displayed. The known display devices however are not suitable for a metering apparatus having two housing portions which are rotatab... | 11/21/2000 |
| 6105859 | Trash can having an integral bag storage compartment and bag counting means A trash can having a trash bag storage compartment and trash bag counter device includes a trash can having a bag storage receptacle at its bottom end. A first embodiment relates to a device for visually displaying the number of bags remaining in a stack ... | 08/22/2000 |
| 5877480 | Illuminating umpire counter and timing device An illuminating umpire counter and timing device including a hand-held housing having three apertures through a top face thereof. Each of the apertures have distinguishable indicia adjacent thereto. Three indicating wheels are rotatably disposed and exten... | 03/02/1999 |
| 5730658 | Golf scoring device A system for attaching a scoring display unit to a fastening band of a glove. The fastening band includes a top strap, and a back surface patch for the top strap. Confronting surfaces of the top strap and the back surface patch comprise cooperating intere... | 03/24/1998 |
| 5578807 | Electromagnetic counter A welded portion is formed by mounting a synthetic resin frame, in which a count display device including character wheels, a driving device for operating the count display device, and a driving source of the driving device, are incorporated, within a cas... | 11/26/1996 |
| 5010334 | Transducer device A measuring transducer comprises at least one pair of coded revolving metric indicators (2, 2', 2"), each consisting of a metric drum (11, 11', 11", 11"') and at least one coded revolving element. The revolving coded metric indicators (2, 2', 2") are rota... | 04/23/1991 |
| 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 |
| 4910392 | Counter mechanisms A counter mechanism for a postage meter includes a number of sections each having a number wheel (14) repesenting the respective order of accounted value, transfer mechanisms in the form of Geneva gears connecting the number wheels (14) to provide carry-o... | 03/20/1990 |
| 4841130 | Odometer A disk on a wheel-tpe odometer assembly is provided with a integral spring pawl that operates with the normally provided transfer teeth on the highest number wheel to effect a positive detent that prevents this last wheel from backward droop.... | 06/20/1989 |
| 4829164 | Counter A counter employs a barrel for rotatably mounting high order counter wheels and a shaft integrally extending from the barrel for mounting the lowest order counter wheel. The barrel forms a groove in which the transfer pinion assembly is located. The walls... | 05/09/1989 |
| 4728782 | Loading compensation in cyclometer register A cyclometer register in an electric watthour meter includes a free counterweight for producing a kinetic-energy kick for advancing superior cyclometer drums. A drum counterweight, affixed to the units cyclometer drum, is disposed 180 angular degrees out ... | 03/01/1988 |
| 4629870 | Tamper proof odometer A tamper resistant and tamper-proving odometer construction. Driving of the odometer mechanism in the reverse direction to lower the count is prevented by a one-way locking mechanism associated with the lowest order digit wheel. A marking mechanism is ass... | 12/16/1986 |
| 4551620 | Biorhythms analog computer-calendar A Biorythms analog computer-calendar is provided to display without computations the level of the physical, the emotional, and the intellectual biorythms of a human body. The level of the three biorythms appears on display in analog and digital forms for ... | 11/05/1985 |
| 4543475 | Antireverse means for an odometer An antireverse rotation means which includes a resilient arm provided on and protruding from a side face of a pinion holder and an engagement portion formed on a side face of a digit wheel at a position corresponding to an end of said resilient arm. The r... | 09/24/1985 |
| 4531051 | Meter register with incremental indicia wheel movement Flat indicia wheels are used in conjunction with a Geneva-type register movement. The register utilizes transfer wheels which have an outer edge shaped to contain a plurality of scallops and cusps. Each transfer wheel is associated with a transfer disc th... | 07/23/1985 |
| 4499370 | Zero-reset type counter A zero-reset type counter comprising an order shift pinion built in an inner space formed between two adjacent digit wheels in order to make the space between the adjacent digit wheels as small as possible and to form a compact counter as a whole. The zer... | 02/12/1985 |
| 4426574 | Fuel pump counter readout A fuel dispenser cost counter having a plurality of coaxial cost counter wheels with a 100 count first order counter wheel with ten, 36° spaced, two-place identifying numerals of 00, 10, 20 . . . 90 having an angular height of 30°, ten-count graduations... | 01/17/1984 |
| 4425498 | Method and system for expanding the readout of a fuel pump register An expanded readout system and a method for expanding the readout of a resettable fuel pump register employs a shutter pinion, a shutter having a pawl assembly, and a stop means for each of the counters to be expanded. The pawl assembly may comprise one o... | 01/10/1984 |
| 4419571 | Stepped-down mechanical counting mechanism Stepped-down counting mechanism with number wheels drawn on a locking shaft, with a control disc and with a slotted link. The number wheels and the control disc are moved by a ratchet shaft which is located in the interior of the locking shaft and to whic... | 12/06/1983 |
| 4368381 | Numeral adding toy A numeral adding toy including an arrangement for rotationally indexing in a cooperative manner two rotary wheels displaying numerals to be added and a single rotary wheel displaying the added sum answer by means of a rotationally indexing mechanism inclu... | 01/11/1983 |
| 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 |
| 4356386 | Desk-top calculator A desk-top calculator wherein a printer of the type having a movable character wheel is designed so as to effect printing on paper on a desk and when the calculator is moved, the character wheel is returned to its initial position.... | 10/26/1982 |
| 4343238 | Counting or printing mechanism for consecutive counting numbering A counting or printing mechanism for consecutive counting or numbering, in which a number or printing wheel is provided for each numerical place and the number or printing wheels are mounted on a common shaft. The number or printing wheels are turned by a... | 08/10/1982 |
| 4293765 | Counter A zero-restting type of counter comprising a plural number of digit wheels supported on the same shaft and having digit-shift pins, driven gears arranged between individual pairs of said digit wheels, intermittent transmission mechanisms for coupling the ... | 10/06/1981 |
| 4284881 | Digit wheel counter An improved mechanical counter including digit wheel means stepping pinion means which are movable between first and second positions, engaging and disengaging, respectively, the digit wheel means, and a resetting mechanism including a resetting rake, whi... | 08/18/1981 |
| 4195768 | Roller bearing internal pinion counter An internal pinion revolution counter includes a bearing member rotatably supporting an input shaft. At least first and second number wheels are provided each having a radially outwardly extending web portion joined to an annular flange portion, the first... | 04/01/1980 |
| 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 |
| 4133289 | Device for recording changes in indicia The present invention provides a device for recording successive changes in indicia including a support structure, a front wall portion supported by the support structure, a display opening in the front wall portion, a fulcrum horizontally disposed above ... | 01/09/1979 |
| 4114025 | Mileage indicator The drawings illustrate an odometer for vehicle use, including an idler wheel mounted adjacent the highest-order number wheel, and an endless strip of flexible material mounted around these wheels having a length equal to an integral multiple of the circu... | 09/12/1978 |
| 4108355 | Rotary indicating device provided with a plurality of indicating plates A rotary indicating device comprising a rotary drum supporting respectively rotatably a plurality of indicating plates, a ring-shaped spring fitted on one side surface of the rotary drum and resiliently pressing the respective rotary shaft portions of the... | 08/22/1978 |
| 4098072 | Digital clock gearing A digital clock having backlash-free gearing between a step motor and digit wheels that indicate time. The gearing includes an input pinion connected to the step motor, intermediate gearing driven by the pinion and an output ring gear driven by the interm... | 07/04/1978 |
| 4040160 | Method of manufacturing symbol indication drum A drum formed on its outer peripheral surface with symbols and symbol position ascertaining marks. The symbols which, include characters, numerals, code marks and the like are superposed on the drum indirectly by affixing to the drum body a belt on which ... | 08/09/1977 |
| 4037719 | Cigarette counting case A case for containing a pack of cigarettes, the case including a counting mechanism which counts the number of times that the case is opened up so to remove a cigarette from the pack, thus enabling a smoker, who wished to cut down on his smoking habit, to... | 07/26/1977 |
| 4037398 | Digital timer and time indicator drums therefor A digital timer having a selector to set a selected period of time that the timer is to be operated by the drive motor for only that set period of time, the timer comprising a pair of indicator drums rotatably mounted to the timer frame by a shaft. The dr... | 07/26/1977 |
| 4022016 | Gear drive for an indicating mechanism A simplified gear drive mechanism for an indicating device such as a clock. The output shaft of the indicator's drive motor carries an eccentric which orbits a multiple gear tooth orbiting gear. One gear on the orbiting gear engages a stationary ring gear... | 05/10/1977 |
| 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 |
| 3974694 | Remote digital indicator attachment for a gas meter A digital read-out or indicator attachment for a utility meter which features a tensioned, flexible stranded cable connected at one end to a crank driven in rotation by the index of the meter and having an opposite remotely extending end connected to oper... | 08/17/1976 |
| 3963903 | Resettable counting mechanism A low cost resettable counting mechanism comprising an electromagnetic indexing mechanism and a counter stepped by the indexing mechanism having three-piece higher order number wheels with respective unitary molded plastic reset and drive pawl members for... | 06/15/1976 |
| 3962568 | Range extending attachment for use in a price display mechanism This disclosure is directed to an attachment for a limited range gasoline pump. Many gasoline pumps are limited in price range to $9.99. The apparatus comprises an attachment wherein the number one is located on the face of the pump to extend its range to... | 06/08/1976 |
