Quotables
"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6737638 | Gear-reduction device, particularly for measuring and transmitting rotary and swivel movements A gear-reduction device for measuring and transmitting the movements of a rotary object has a sequential arrangement of wheel/pinion pairs. Each wheel/pinion pair consists of a gear wheel and a pinion that are rigidly connected to a common gear axle. At least part o... | 05/18/2004 |
| 6412802 | Rectilinear propulsion apparatus A rectilinear propulsion apparatus for propelling a bicycle. The rectilinear propulsion apparatus includes a rectilinear drive portion comprising a plurality of rack gear assemblies fixedly coupled to the sides of the middle frame portion of the bicycle, ... | 07/02/2002 |
| 5860299 | Power system of clothes washing machine A clothes washing machine includes a water tub, a spin basket, and a clothes agitator. A vertical dehydrating shaft is fixed to the spin basket, and a laundering shaft extends coaxially within the dehydrating shaft. Upper and lower ends of the laundering ... | 01/19/1999 |
| 5794477 | Alternative mono-direction and dual-direction transmission apparatus A transmission apparatus capable of mono-direction and dual-direction power transmission. It includes a mono-direction gear engageable with the output gear, a transversely slidable platform and an alternate dual-rotation actuating assembly. The alternate ... | 08/18/1998 |
| 5740701 | Washing machine transmission drive connection An eccentric gear for a transmission for a washing machine which uses an off center gear having a dual part construction combination with a rack and pinion mechanism, a brake clutch, and a drive clutch to provide the agitation and the high speed spin of t... | 04/21/1998 |
| 5737965 | Dual drive transmission A transmission is provided for converting rotary input into an oscillating output. The transmission includes a housing with an input shaft and an output shaft, and a series of gears interconnecting the shafts. The gears include a pair of rack gears on opp... | 04/14/1998 |
| 5732574 | Washing machine transmission A transmission including a housing, an agitator shaft rotatably mounted to the housing, an input shaft rotatably mounted to the housing, and an agitation system which back-and-forth agitation of the agitator shaft when the input shaft rotates relative to ... | 03/31/1998 |
| 5638719 | Dual drive transmission A transmission is provided for converting rotary input into an oscillating output. The transmission includes a housing with an input shaft and an output shaft, and a series of gears interconnecting the shafts. The gears include a pair of rack gears on opp... | 06/17/1997 |
| 5522242 | Washing machine transmission drive connection A transmission for a washing machine which uses an off center gear in combination with a rack and pinion agitation mechanism, a brake clutch, and a drive clutch to provide the agitation and the high speed spin of the washing machine. A lost motion interco... | 06/04/1996 |
| 5509284 | Washing machine transmission A transmission for a washing machine which uses an off center gear in combination with a rack and pinion mechanism, a brake clutch, and a drive clutch to provide the agitation and the high speed spin of the washing machine. The input shaft is in line with... | 04/23/1996 |
| 5379616 | Power transfer apparatus of fully-automated washing machine A clothes washing machine includes an oscillatory agitator and a rotary spin dry container (tub). The agitator and spin dry container are driven by a drive shaft. The drive shaft rotates only in a first direction during a wash cycle, and only in a second ... | 01/10/1995 |
| 4941396 | Reciprocating double-ended piston The present invention relates to a reciprocating engine which has an improved reciprocating double ended piston which substantially reduces the size and weight of piston components. The double ended piston comprises a center portion between the two end po... | 07/17/1990 |
| 4799644 | Actuator activating on-off valves The invention concerns an actuator for the operation of on-off valves. Said actuator includes a supporting body (1) in which there is transversally disposed at least one pneumatic cylinder (8, 9) which is capable of activating in two directions, a rack (7... | 01/24/1989 |
| 4658664 | Rack and pinion assembly The pinion is of two-piece construction, the two pieces being identical and nestably mated to define a recess, therebetween, which is interrupted by abutments, and which confines an abutment-engaging pin. Each piece has a plurality of teeth projecting the... | 04/21/1987 |
| 4608951 | Reciprocating piston engine This invention relates to improvements in engines of the reciprocating piston type, especially reciprocating piston internal combustion engines suitable for stationary and non-stationary uses. The pistons of the engine are operatively connected to the dri... | 09/02/1986 |
| 4570617 | Massaging device Massaging device comprising a slide movable back and forth along a stationary guide, a massaging brush arranged rotatably upon the slide and rotated, through a shaft, by a motor, and a reversing drive driven by the motor. The direction of motion of the sl... | 02/18/1986 |
| 4495828 | Stroke enlarging mechanism A stroke enlarging mechanism comprises a stationary rack, a saddle member driven by an actuator relative to the stationary rack, an operating arm movable relative to the saddle member, and a movable rack secured to the operating arm. A first pinion and a ... | 01/29/1985 |
| 4302095 | Clutch for electrophotocopier reciprocating carriage Apparatus in an electrophotocopying machine having a reciprocating carriage moved by an endless drive member for reversing the direction of the carriage output drive member without reversing the direction of the endless drive member. The apparatus include... | 11/24/1981 |
