Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7240880 | Holding clip A holding clip for tubes, hoses and the like has a pocket and deflectable arms protecting an entrance to the pocket. The arms extend one past another and interdigitate one with another. The arms deflect outwardly in response to force exerted thereagainst from outsid... | 07/10/2007 |
| 7219436 | Universal hand guard for a hacksaw A resilient hand guard for protecting the hand of a hacksaw user including a flat shield formed of resilient non-metallic or elastomeric material having a height equal to that of the frame and a width at least as great as a projected frontal width of a user's hand w... | 05/22/2007 |
| 7210234 | Bow saw structure A bow saw structure including a handle, an adjustment unit and a fast installation/detachment unit. The handle has a grip section for a user's hand to extend through and hold. An upper side of the grip section is formed with a tunnel in which an L-shaped support mem... | 05/01/2007 |
| 7174643 | Hand tool The invention provides a frame (12) of a hack-saw (10) and, particularly, the handle formation (14), defines shoulder formations (22) that define a linear edge (24) on opposite sides of the extension formation (16), the oper... | 02/13/2007 |
| 5873170 | Hand saw A saw is described as having an adjustable handle wherein the angle of the handle in relation to the longitudinal axis of the saw blade and blade holder is rotatably adjustable.... | 02/23/1999 |
| 5675900 | Saw blade-holder It comprises a U-shaped bow (1), a handle (2) and two securing devices (3, 4) at both ends of the saw (5), each of the devices (3, 4) comprising a body (31) fitted with a longitudinal passage (32) enabling the control and centering of the saw (5), the bod... | 10/14/1997 |
| 5553385 | Hacksaw with offset blade The invention provides an improved frame for a hacksaw blade. The frame has a handle member and a frame member coupled together and defining a pair of aligned star shaped openings. Blade attaching components are releasably engaged in the respective openin... | 09/10/1996 |
| 5388333 | Saw blade adjusting mechanism A saw blade adjusting mechanism, which includes a first tightening up rod and a second tightening up rod fastened to the frame assembly of a hack saw at two opposite ends by nuts to hold the saw blade, a rotary adjusting knob mounted around the first tigh... | 02/14/1995 |
| 5271158 | Saw blade adjusting device Disclosed is a saw blade adjusting device including an adjusting link fastened to a handle to hold either end of a saw blade, a toothed locating block fastened to a front block of the handle, a gear mounted on a rectangular block on the adjusting link and... | 12/21/1993 |
| 4079763 | Convertible hacksaw A hacksaw includes a frame having a cross member and two struts, with a saw blade detachably connected between the extremities of the struts. A handle is carried by one of the struts and cooperates with a locking button and shaft arrangement to allow the ... | 03/21/1978 |
