Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7371027 | Fastening tool and fastening bolt In a fastening tool in which fastening members may be inclined as they are threadedly inserted together whereby almost no displacement load is applied to the members, a member having a bolt through hole with a tapered seat surface, and a fastening bolt that includes... | 05/13/2008 |
| 7293948 | Flexible threaded fastener A fastener includes a head, a threaded member, and a resilient shank portion interconnecting the head portion and the threaded portion. The shank portion includes a first end adjacent the head and a second end adjacent the threaded member. The shank includes a tubul... | 11/13/2007 |
| 7185563 | Impact driver and fastener removal device A fastener impact driver device includes a fastener engagement member having a plurality of projections disposed about a lower portion that engages a corresponding peripheral portion of a fastener. The device further includes a positioning member having an upper por... | 03/06/2007 |
| 7007573 | Impact driver and fastener removal device A fastener impact driver device 10 includes a fastener engagement member 12 having a plurality of projections 14 disposed about a lower portion 16 that engages a corresponding peripheral portion 18 of a fastener 20. The devi... | 03/07/2006 |
| 6658716 | Method for assembling motor assembly to support wafer The present invention provides an auxiliary tool for assembling a motor assembly to a wafer-deposition machine for supporting a wafer. The auxiliary tool facilitates easy and quick assembly of the motor assembly to the wafer-deposition machine. An aspect ... | 12/09/2003 |
| 5540514 | Mechanical connection between a glazing element and a supporting structure An assembly for mechanically hanging a glazing element to a supporting structure uses an articulated fixing system allowing the plate to tilt about its support point on said system. It includes a cavity defining element engaging the glazing element and a ... | 07/30/1996 |
| 5181817 | Fastener A fastener for securing an attachment such as a guiderail to a surface of a wall. Such an attachment is provided with an internally-threaded aperture to receive the externally-threaded shank of a bolt passed through an aperture in the wall to which the at... | 01/26/1993 |
| 5054146 | Anchor bolt A method of making an anchor bolt with a thread on a section thereof comprising the steps of providing a metal bar (1) of circular or near circular cross-section having a diameter which is substantially equal to the pitch diameter of the thread to be prov... | 10/08/1991 |
| 4417711 | Pipe hanger A first clamp member and a second clamp member are positioned in opposed spaced relation with a conduit, pipe or the like, positioned therebetween. Each clamp member has a body portion including an engaging end portion adapted for attachment to a structur... | 11/29/1983 |
| 3994199 | Stay bolt A stay bolt for utilization with two spaced structural members including an end link attached to one of the members and an eyelet with a threaded stem connected to the end link, the threaded stem extending through an aperture in the other member with mean... | 11/30/1976 |
| 3960047 | Dual size lug nut A dual size lug nut for securing an automobile wheel to a hub. From a central head portion of the nut, threaded shanks extend in opposite direction. The two shanks have different threads. Thus the nut may be screwed onto either of two sizes of stud bolts,... | 06/01/1976 |
