US1601796A - Nail expansion anchor - Google Patents

Nail expansion anchor Download PDF

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Publication number
US1601796A
US1601796A US658992A US65899223A US1601796A US 1601796 A US1601796 A US 1601796A US 658992 A US658992 A US 658992A US 65899223 A US65899223 A US 65899223A US 1601796 A US1601796 A US 1601796A
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United States
Prior art keywords
cylinder
anchor
expansion anchor
nail
nail expansion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US658992A
Inventor
George B Gordon
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AT&T Corp
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American Telephone and Telegraph Co Inc
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Publication date
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Priority to US658992A priority Critical patent/US1601796A/en
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Publication of US1601796A publication Critical patent/US1601796A/en
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Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/12—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like
    • F16B13/122—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like made from a sheet-metal blank

Definitions

  • GEORGE B GORDON, OF BROOKLYN, NEW YORK, ASSIGN OR TO AMERICAN TELEPHONE AND TELEGRAPH COMPANY, A CORPORATION OFxNEW YORK.
  • This invention relates to nail expansion anchors and is embodied in a novel device for securing cable clamps and other devices to masonry.
  • the object of the invention is 6 to provide an improved and simple, economical means of accomplishing the above named result.
  • Applicants device is a hollow cylinder, whiohmay be made from sheet metal, and
  • FIG. 10 is so formed as to' have considerable strength and the desired holding power.
  • Fig. 1 shows the nail which is driven into the anchor;
  • Fig. 2 shows in cross-section one desirable form of applicants improve-d anchor; and
  • Fig. 3 shows a top plan view corresponding to Fig. 2.
  • the cylinder 1 is. parted by the longitudinal slot 2, which extends over the entire length of the cylinder and permits the anchor to expand and to become adjusted to variations in the diameter of I the drilled hole.
  • the top of the cylinder, 3, is flared out to form a collar for olding the clamp or other device to the wall.
  • An expansion anchor consisting of a hollow cylinder parted by a single longitudinal slot extending over its entire length, the top of said cylinder being flared, the mid- 50 dle portion of said cylinder being tapered, and the bottom of said cylinder being'bent back upon itself.
  • An expansion-anchor consisting of a hollow. cylinder parted by a single longitu- 55 dinal slot extendin over. its entire length, the top of said cylin er being flared, the middle portion of said cylinder being tapered, the bottom of said cylinder being ben back outwardl upon itself,,and the extremity of 6 the bent- 'ackportion being rounded.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Description

Oct. 5 1926.
G. B. GORDON NAIL EXPANSION ANCHOR Filed August 25, 1923' INVENTOR 63 60111010 6 ATTORNEY Patented Oct. 5, 1926.
UNITED STATES PATENT OFFICE.
GEORGE B. GORDON, OF BROOKLYN, NEW YORK, ASSIGN OR TO AMERICAN TELEPHONE AND TELEGRAPH COMPANY, A CORPORATION OFxNEW YORK.
NAIL EXPANSION 'ANGHOR.
This invention relates to nail expansion anchors and is embodied in a novel device for securing cable clamps and other devices to masonry. The object of the invention is 6 to provide an improved and simple, economical means of accomplishing the above named result.
Applicants device is a hollow cylinder, whiohmay be made from sheet metal, and
10 is so formed as to' have considerable strength and the desired holding power. In the accompanying drawing, 'Fig. 1 .shows the nail which is driven into the anchor; Fig. 2 shows in cross-section one desirable form of applicants improve-d anchor; and Fig. 3 shows a top plan view corresponding to Fig. 2.
With reference to the details of Figs. 2
and 3 of the drawing, the cylinder 1 is. parted by the longitudinal slot 2, which extends over the entire length of the cylinder and permits the anchor to expand and to become adjusted to variations in the diameter of I the drilled hole. The top of the cylinder, 3, is flared out to form a collar for olding the clamp or other device to the wall. The
lower part oi the cylinder 1 is ,formed to reduce materially the diameter of the center hole, and the bottom of the cylinder wall is 80 bent back upon itself at 4. When the point of the nail enters the portion of the anchor having the reduced diameter, it expands the anchor and causes the lower portion of the same to grip the surface of the hole in the masonry, thus producing the'desired lateral pressure. The upper edge of the bent back portion of the cylinder wall may be rounded so as to facilitate the removal of the expansion anchor from the drilled hole if occasion arises for such operation 7 It is understood that the drawing discloses one desirable form of applicants anchor merely for purposes of illustratiomand does not limit the scope of the invention, which is determined by theappended claims.
What is claimedis: i 1. An expansion anchor consisting of a hollow cylinder parted by a single longitudinal slot extending over its entire length, the top of said cylinder being flared, the mid- 50 dle portion of said cylinder being tapered, and the bottom of said cylinder being'bent back upon itself. 2. An expansion-anchor consisting of a hollow. cylinder parted by a single longitu- 55 dinal slot extendin over. its entire length, the top of said cylin er being flared, the middle portion of said cylinder being tapered, the bottom of said cylinder being ben back outwardl upon itself,,and the extremity of 6 the bent- 'ackportion being rounded.
In testimony whereof, I have signed my 'name to this specification'this 22nd 'day of August, 1923. r
" GEORGE B. GORDON.
US658992A 1923-08-23 1923-08-23 Nail expansion anchor Expired - Lifetime US1601796A (en)

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Application Number Priority Date Filing Date Title
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US1601796A true US1601796A (en) 1926-10-05

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2826110A (en) * 1952-01-02 1958-03-11 Jerome H Lemelson Hollow sheet metal rivet with reinforcing work engaging shoulders
US3213811A (en) * 1961-10-05 1965-10-26 Cullinan Refractories Ltd Refractory brick
EP0307590A1 (en) * 1987-09-15 1989-03-22 HILTI Aktiengesellschaft Expansion dowel
US5100273A (en) * 1990-09-06 1992-03-31 Eustathios Vassiliou Expansion fastening system with quick lock and release
EP0757185A1 (en) * 1995-08-04 1997-02-05 Fischerwerke Arthur Fischer GmbH & Co. KG Anchor expanded by impact
US20030108399A1 (en) * 2000-08-08 2003-06-12 Werner Heinzelmann Expansion bolt
DE202009001090U1 (en) 2009-01-28 2009-04-02 Joker Industrial Co., Ltd., Hsienhsi Anchor bolt assembly

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2826110A (en) * 1952-01-02 1958-03-11 Jerome H Lemelson Hollow sheet metal rivet with reinforcing work engaging shoulders
US3213811A (en) * 1961-10-05 1965-10-26 Cullinan Refractories Ltd Refractory brick
EP0307590A1 (en) * 1987-09-15 1989-03-22 HILTI Aktiengesellschaft Expansion dowel
US5100273A (en) * 1990-09-06 1992-03-31 Eustathios Vassiliou Expansion fastening system with quick lock and release
EP0757185A1 (en) * 1995-08-04 1997-02-05 Fischerwerke Arthur Fischer GmbH & Co. KG Anchor expanded by impact
US5765979A (en) * 1995-08-04 1998-06-16 Fischerwerke, Artur Fischer Gmbh & Co. Kg Impact-type anchor
US20030108399A1 (en) * 2000-08-08 2003-06-12 Werner Heinzelmann Expansion bolt
US6846141B2 (en) * 2000-08-08 2005-01-25 Fischerwerke Artur Fischer Gmbh & Co. Kg Expansion bolt
DE202009001090U1 (en) 2009-01-28 2009-04-02 Joker Industrial Co., Ltd., Hsienhsi Anchor bolt assembly

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