Illinois Tool Works Inc.

Syed R Hasan

John R Beach

Craig A Hindman

Juergen O Rathgeber

Frederick A Kish

Daniel J Kenny

Ernest S Santi

James E Doherty

Sigismund G Paul

Donald W Noren

Michael P Ditka

George G Dewey

Louis Thomas

Mark A Packard

Robert H Jenkins

In a machine for dispensing stackable roofing washers individually and for driving fasteners through such washers, a shuttle is actuatable to displace a lowermost washer of one from a stack, either a small, circular or large, square washer. A gate is biased toward a lowermost position wherein it provides sufficient clearance for the lowermost washer but not any overlying washer to pass beneath it. A pawl mounted pivotally to the gate is biased to a lowermost position wherein the pawl engages a small washer displaced by the shuttle so as to restrain it against backward movement. A stop is adjustable so as to limit movement of a washer of whichever size is being displaced. A measuring bar is mounted via the stop. A screw gun, which provides a primary handle, and a secondary handle are mounted to an upright element so as to be independently adjustable.

Roofing washer-dispensing and fastener-driving machine

A composite roof covering securement element is comprised of an elongated rubber membrane onto which a plastic batten strip is adhesively bonded. The membrane and strip have a range of flexibility which permitts the same to be rolled into a coil for manual prepositioning on a roof and then unrolled to lie flat upon the roof for attachment along the perimeter. When installed the composite element resists shear loads and securely retains the overlying roof covering in place.

Roof perimeter composite securing element and method of installing

Roofing washer-dispenser

A self-drilling fastener for use with medium density wood panels, such as oriented strand board (OSB), having a head and first and second shank portions where the first shank portion includes threads for mating engagement with an OSB panel and the second shank portion substantially is formed as a taper shank flat drill which forms the drilling end of the fastener, the taper shank flat drill having conical shaped tapered portions, a triangular drill tip and a pair of wing portions formed on opposite sides of the flat drill forming helical cutting edges.

Self-drilling fastener

A composite roof covering securement element is comprised of an elongated rubber membrane onto which a plastic batten strip is adhesively bonded. The membrane and strip have a range of flexibility which permits the same to be rolled into a coil for manual prepositioning on a roof and then unrolled to lie flat upon the roof for attachment along the perimeter. When installed the composite element resists shear loads and securely retains the overlying roof covering in place.

In the construction of buildings, multiple super-imposed plastic fastening strips are employed to affix a building member to a substrate.

Fastening system

An improved composite fastener comprised of an improved roofing screw and a roofing washer and useful to fasten a blanket of roofing insulation to a soft substrate. The screw shank has a leading portion and a locking portion. The locking portion has two locking tabs. The washer has an aperture with a margin coacting with the screw when it is driven through the washer. The screw becomes locked to such washer when the screw is driven sufficiently for its head to bear against the washer at which time the locking tabs engage the undersurface of the washer.

Roofing fastener, improved screw therefor, and improved washer therefor

A composite fastener comprised of a roofing screw and a roofing washer. The screw shank has a leading portion, which is threaded, and a locking portion. The locking portion has a substantially frusto-conical part adjoining the leading portion and an additional part adjoining the screw head. The substantially frusto-conical part defines a major diameter where it adjoins the additional part and a minor diameter where it adjoins the leading portion. Two locking tabs extend from the substantially frusto-conical part, in diametric opposition to each other, in such manner that an imaginary cylinder coaxial with the shank and with a diameter equal to the major diameter divides each tab into a proximal part inside the cylinder and a distal part outside the cylinder. The washer has an aperture with a margin that flexes the tabs to allow the tabs to pass through the aperture.

Roofing fastener and improved screw therefor

An anchoring device having a head and a shank to be forcibly driven into a hole defined within concrete or is disclosed. The shank has proximal, transitional, and distal portions defining respective axes that do not coincide when the shank is unstressed and further defining proximal and distal elbows. Notches enhancing frictional engagement between the shank and the hole wall are formed along convex surfaces of the elbows, as well as long substantially cylindrical surfaces of the proximal, transitional, and distal portions of the shank.

Anchoring device

A roofing washer-dispensing machine having improved features is disclosed. A novel magazine comprises a substantially box-like container with a substantially open face, for housing a stack of circular roofing washers having inserts, and a substantially rigid rod removably mounted within or upon to a top wall of the box so as to extend downwardly into the central apertures of the stack washers, except for the lowermost washer, so as to restrain the remaining washers. The machine comprises a shuttle arranged to displace the lowermost washer from the stack when it is desired to dispense such washer. The shuttle includes a novel arrangement of means overlying and underlying marginal portions of such washer.

Roofing washer-dispensing 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 the shuttle is biased, and releases the single washer when moved in the opposite direction. A gate, which cooperates with camming surfaces defined upon the respective washers, restrains the overlying washer within the stack against being displaced along with the single washer and restrains the single washer from being displaced from the separated position. Various components are provided by linking a stand-up screw gun of a known type to the shuttle. The stackable washer is embossed so that each such washer and like overlying and underlying washers within a stack contact each other at three or more places, which define tangent planes intersecting planes defined by planar areas upon such washers at angles greater than 45.degree. but less than 90.degree. whereby such washers are spaced from each other around their entire peripheries. Notches defined within the washers cooperate with ribs provided within the chute so as to ensure that a stack of the washers is oriented properly when disposed within the chute.

Washer-dispensing and fastener-driving machine

A fastener-driving and batten-positioning machine useful in roofing applications includes a shoe, which has an underside and a pair of spaced guides depending from the underside, and which is arranged to position a batten over a sheet of roofing material, beneath the underside and between the guides, while the batten is being fastened. A stand-up screw gun, which is incorporated into the machine, is used to drive a fastener, such as, for example, a screw, through a batten, through the sheet and through any underlying sheets of roofing materials, into an underlayment. The screw gun is mounted upon the shoe, which is mounted upon a base in such a manner as to provide for relative movement between the shoe and the base. The shoe is biased gravitationally, and by means of a spring, so as to urge the shoe toward the batten while the batten is being fastened. A canister, which is mounted upon the base, is arranged to receive the batten in the form of a coil, which tends to expand when released, and to supply the batten to the shoe, through means of an outlet of the canister.

Fastener-driving and batten-positioning 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 the shuttle is biased, releases the single washer when moved oppositely. A gate, which cooperates with camming surfaces on the respective washers, restrains the overlying washer in the stack against being displaced with the single washer and restrains the single washer from being displaced from the separated position. Various components are provided by linking a stand-up screw gun of a known type to the shuttle. The stackable washer is embossed so that each such washer and like overlying and underlying washers in a stack contact each other at three or more places, which define tangent planes intersecting planes defined by planar areas on such washers at angles more than 45.degree. but less than 90.degree. whereby such washers are spaced from each other around their entire peripheries. Notches in the washers cooperate with ribs in the chute to ensure that a stack of the washers is oriented properly when fitted into the chute.

Growing community of inventors

Palatine, IL, United States of America

Syed R Hasan