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...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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Class 29/813 - One work part comprising nut or screw


Subclass of Class 29 - Metal working
Definition: Apparatus including means to secure one workpiece to another
No. of patents: 28
Last issue date: 04/10/2007


NumberTitleIssue Date
7200914Apparatus and method for loading a riveting module with blind rivet nuts
The invention relates to a device for loading a rivet module (10), which can be vertically displaced between a lower placement position and an upper loading position, with blind rivet nuts (100) using a rivet feed (22). The invention is characte...
04/10/2007
6854178Through-the-drill plate fastener installation tool
A fastener installation tool that is configured to feed fasteners from a magazine assembly into a housing where one of the fasteners is aligned to a reciprocating tool bit. The fastener installation tool is configured to set the fastener into a workpiece such that t...
02/15/2005
6711809Pneumatic and manual installation tools for installing U-nut fasteners
A U-nut type fastener installation tool, for installing individual U-nut fasteners from a vertically stacked, nested, or collated strip or array of such fasteners disposed within a magazine portion of the tool. The vertically nested, stacked, or collated strip is bi...
03/30/2004
6317949Device for banding together components of a fishing lure
A device and method for placing band on bait for connecting bait first and second components is set forth which includes a loader having a barrel with at one end a retainer to hold the first component against the end of the barrel and at the other end a s...
11/20/2001
5960678Automatic stress plate feeder
An automatic stress plate feeder includes a generally horizontal stress plate magazine holding a series of generally flat stress plates each positioned generally vertically on edge therein. An electric motor drives the stress plates through the magazine, ...
10/05/1999
5295295Apparatus for feeding and tightening threaded parts
By advancing a rotatable feed rod (5) with a threaded part (1) such as a bolt or a nut inserted into a socket hole (6) at a front end thereof, the threaded part (1) is supplied and tightened to an object such as a threaded hole or a bolt. In order to prev...
03/22/1994
5291645Method and apparatus for feeding and tightening threaded parts
The present invention is directed to a method and apparatus for feeding and tightening threaded parts, such as bolts or nuts. The apparatus incorporates a holding member longitudinally movable while holding a threaded part at the front end thereof, and a ...
03/08/1994
5226228Part feeding apparatus
A part feeding apparatus is adapted to hold a part (10) on a holding portion (12) at the front end of a feed rod (11) and feed it to an intended place. A locking portion (14) at the end of a feed tube (7) is disposed in opposed relation to the holding por...
07/13/1993
5072495Installation for automatic assembly of socket-bracket
The invention discloses an installation for the automatic assembly of the lower socket-bracket of opening leaves, i.e. the part of the fitting intended to be fixed to the lower corner of an opening leaf preferably of oscillating leaf type, in line with it...
12/17/1991
5042142Washer-dispensing and fastener-driving machine
A machine for fastening one or more layers of roofing material to an underlayment, and a stackable washer therefor. A chute receives a stack of such washers. A shuttle displaces a single washer to a separated position when moved in one direction, to which...
08/27/1991
4926699Torque tool
A device for torquing and untorquing visable or hidden nuts or both disposed on a common circle of centers in the rotor assembly of a jet engine wherein said device comprises a bolt locating platform disposed outside of said rotor assembly, a trunnion ass...
05/22/1990
4899438Assembly device for pressing C-shaped sheet metal nut onto a plate
A clip-like, C-shaped sheet-metal nut and an assembly device therefor, the nut having a thread leg with an embossed thread portion and a clip leg having a through hole, with the forward end of the thread leg having an upwardly and forwardly inclined inser...
02/13/1990
4819324Nutplate installation tool
A tool for installing nutplates to a structural part. The tool is portable or useable with a robot. The tool includes a supply of nutplates and a rivet feeding and insertion mechanism. The rivets are inserted in the structural part, followed by the positi...
04/11/1989
4817275Device for positioning a means of fixing consisting of a screw and a plate
Device for screwing screws through a hole of a plate into a base plate for securing insulating material, the device having a magazine with plates and a magazine with screws. The device has a screw driver which can be moved up and down. The screw driver ac...
04/04/1989
4736519Nutplate installation tool
A tool for installing nutplates to a structural part. The tool is portable or useable with a robot. The tool includes a supply of nutplates and a rivet feeding and insertion mechanism. The rivets are inserted in the structural part, followed by the positi...
04/12/1988
4706380Driver apparatus
An improved and novel lag screw driving apparatus whereby a screw along with a hanger formed thereon is threaded into a wooden ceiling member or the like from floor level. The apparatus comprises a handle having a wire magazine, a wire magazine loader mou...
11/17/1987
4689881Head and magazine loader assembly
This invention is found in the construction or configuration of the elements in the head of a driver apparatus utilized in securing screws in wooden members and to its relationship with a wire magazine loader mounted to the driving apparatus itself. The i...
09/01/1987
4534101Method of installing self-locking nut and bolt assembly
A method for installing a locking nut or bolt includes drilling a bore having at least two diameters in a surface of an element so as to accommodate a fastener assembly having a threaded shaft and a group of elements including a cylinder a locking ring, t...
08/13/1985
4246939Automatic screw driving apparatus
Automatic driving apparatus which sequentially inserts screws provided with washers into work pieces includes a chute formed with an opening transverse to its axis. Screws are fed sequentially through the opening into the chute. A driver in the chute is s...
01/27/1981
4203187Fastener applying tool
A tool for applying fasteners to a workpiece includes a housing and a punch reciprocally mounted in the housing. The punch includes an elongated slot through which a feed plate that is slideably mounted within the housing passes. A cam stop member is rota...
05/20/1980
4201255Machine for threading fasteners into workpieces
Hanger bolts are delivered one-by-one from a hopper and each is picked up by a reciprocating holder which shifts the bolt laterally and broadwise into alinement with a power-rotated chuck. The bolt then is pushed endwise into the chuck by a furniture leg ...
05/06/1980
4146071Power driver for fasteners
The present power driver handles fasteners of varying length mounted on a strip or belt, through a touch-down foot which accommodates fasteners of different length to eliminate wasted motion of the driver. The fasteners are also prevented by said touch-do...
03/27/1979
4074425Apparatus for automatically feeding and setting stud bolts
An apparatus for automatically feeding and setting stud bolts. The apparatus comprises a parts feeder unit for axially arranging stud bolts having threaded portions of different lengths on the opposite ends thereof in a low, a bolt orienting unit for dire...
02/21/1978
3971421Air-powered, self-feeding screw driving tool
An air-powered, self-feeding screw driving tool and screw-containing pods capable of being assembled into a continuous belt of screw-containing rods for use with the tool. The belt of screw-containing pods are coiled within a canister for selective feedin...
07/27/1976
3960191Fastener feeding and driving attachment
An attachment for a portable power screwdriver allowing a workman to drive screws from a stand-up position. A telescoping driving tube is associated with a power driver and the tube being joined to a feed tube in the region of a nose section. The feed tub...
06/01/1976
3946478Fastener installation head
A fastener installation head having a nut receiving passage, a transverse plunger passage, a plunger reciprocating in the plunger passage through the intersection of the passages and a guide means for the nuts in the plunger passage. The guide means inclu...
03/30/1976
3946479Fastener installation head
A fastener installation head having a nut receiving passage, a transverse plunger passage having a reciprocating plunger therein, a feed means feeding nuts from the nut passage to the plunger passage and a stop means preventing nuts from entering the plun...
03/30/1976
3942235Fastener installation head
A fastener installation head having a first passage receiving fasteners, a second transverse passage having a reciprocating plunger, a feed means feeding fasteners from the first passage to the second passage, beneath the plunger, during each downward str...
03/09/1976
 
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