Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7431269 | Ring sheave The present invention is a sheave assembly that includes a ring supported by a support assembly instead of a solid sheave wheel supported by a central axle. The support assembly may include a plurality of rollers or a curved shoe. The ring is made of a lubricated pl... | 10/07/2008 |
| 7152847 | Pulley block A pulley block has a body which rotatably supports a sheave, the block having a mounting pin which extends through a bore in the block. The pin has an enlarged head disposed internally of the body to retain the pin in the bore. Rotation of the pin may be prevented b... | 12/26/2006 |
| 7136098 | Image illumination optimizing The brightness of an actual image produced by an image sensor (e.g., CCD) of an electronic camera, is controlled with image size detection circuitry which, in response to electrical signals received from the electronic camera, determines an actual image area occupyi... | 11/14/2006 |
| 6974125 | Pulley block A line-handling block particularly for sailing vessels has an attachment device (30) rotatably mounted in the body. Locking device (50) are slidable in keyhole slots (60) into or out of engagement with the attachment device (30). When in ... | 12/13/2005 |
| 6938342 | Method for reducing seizure in a cageless ball bearing which is exposed to foreign particles A method for reducing seizure when a cageless ball bearing is placed in a hostile environment where foreign particles can enter the bearing, comprises removing at least one ball from a full complement of balls. In so doing, a larger circumferential gap between balls... | 09/06/2005 |
| 6918619 | Pipe connecting assembly and method of use A pipe coupling assembly includes a first and a second pipe coupling member with the first coupling member including a cylindrical flange and a spherical convex seat portion, and the second coupling member including a cylindrical flange and a spherical concave seat ... | 07/19/2005 |
| 6305669 | Bearing block tether using fine lines A bearing block has a head, a central hub, bearing means facilitating rotation of the sheave about the central hub. The block further has locking means for removably locking a length of high strength, fibrous material, such as cord, to the block for tethe... | 10/23/2001 |
| 5449154 | Bearing assembly for rotary support of a line The outer race of a roller bearing sheave is omitted so that the bearings are in direct engagement with a line. A retainer for the ends of the bearings is provided to allow the bearings to rotate and recirculate around an inner race. The rollers deflect p... | 09/12/1995 |
| 4737814 | Electronic memory means for adjusting camera electric circuits Apparatus for adjusting a camera electric circuit employs a non-volatile memory element for electrically storing and reading data, takes out digitized compensation data from the non-volatile memory element during a digital calculation process, and, after ... | 04/12/1988 |
| 4390163 | Marine block A marine block employs a sheave which is rotatively mounted on an axle supported between a pair of spaced-apart cheek plates. One or more ball bearing units are provided between the axle and the sheave, each unit containing a circular array of ball bearin... | 06/28/1983 |
