US747660A - Guard for bridge-piers. - Google Patents

Guard for bridge-piers. Download PDF

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Publication number
US747660A
US747660A US12360302A US1902123603A US747660A US 747660 A US747660 A US 747660A US 12360302 A US12360302 A US 12360302A US 1902123603 A US1902123603 A US 1902123603A US 747660 A US747660 A US 747660A
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Prior art keywords
guard
pier
bridge
piers
ice
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Expired - Lifetime
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US12360302A
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Hannon Theodore Swearingen
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice

Definitions

  • This invention relates to improvements in guards for piers of bridges and intended to prevent the gorging of ice, 850., against the same, whereby their existence is endangered.
  • the principal objects in view are to proza a simple and effective guard adapted to be applied'to the usual form of bridge-pier and which while yielding to the impact of ice,
  • Figure 1 is a perspective view of a bridge-pierof the conventional type, showing my invention applied thereto.
  • Fig. 2 is a central vertical sectional view'of a pier provided with a guard constructed in accordance with my invention.
  • Fig. 3 comprises details of construction hereinafter referred to.
  • the pier 1 is of the usual type,-rectangular in cross-section,though it may be of any shape desired, and a guard may be applied to one,
  • the guard itself comprises a series of vertically-alining substantially U-shaped frames 2, (see Fig. 3,) the ends of each of which are let into the pier 1, in which position they are secured.
  • each frame 2 is mounted for horizontal reciprocal movement a bearingblock 3, the sides and outer end of which are grooved, as at 4, to fit the said frame.
  • Each bearing-block is, furthermore, provided at 0pposite sides with bearing-cavities 5, flared toward their outer ends, and at its inner end each block may be provided with a countersunken seat 6, from which mayproject a stud 7, said seat 6 being directly opposite and alining with a countersunken seat 8, formed in the pier- 1.
  • each block 3 Located in these seats 6 and 8 of each block 3 is a heavy coiled spring 9, the studs 7entering the same and serving to maintain them in place. These springs are compressed into position, and hence serve to force the blocks outwardly into the outer ends of I the frames 2.
  • roller-buffers designates roller-buffers, the same having axial bearings 11, which loosely engage in the bearing cavities 5 of the opposing iblocks.
  • a series of these roller-buffers are employed, the same substantially alining vertically.
  • the series of rollers are free to revolve as may be caused by the impact of the ice, and hence the latter can find no lodgment against the pier to which such guards may be applied.
  • the springs serve to enable the roller-buffers to yield independently to such impact, thus in a measure breaking the force of the blow, and hence materially aiding in the preservation of the guardand by their subsequent expansion-serving to force the ice away from the pier, such yielding to and pushing of the ice continuing untilitglances and is carried off by the stream or current.
  • guards may belocated as desired on the pier and any number employed; also, that the construction of said guards is subject of modification as to details of construction without departing from the spirit or sacrificing the advantages of my invention.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Description

N0. 747,660. PATENTED DEC. 22, 1903.
' H. T. SWEARINGEN.
GUARD FOR BRIDGE PIERS.
APPLICATION FILED SEPT. 16. 1902.
N0 MODEL.
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UNITED STATES Patented December 22, 1903.
PATENT OFFICE.
GUARD FOR BRIDGE-PIERS.
SPECIFICATION forming part of Letters Patent No. 747,660, dated December 22, 1903.
Application filed September 16, 1902. Serial No. 123,603. QIo model.)
To all whom it may concern:
Be it known that I, HANNON THEODORE V SWEARINGEN, a citizen of the United States,
I Bridge-Piers,of which the following is a specification.
This invention relates to improvements in guards for piers of bridges and intended to prevent the gorging of ice, 850., against the same, whereby their existence is endangered.
The principal objects in view are to pro duce a simple and effective guard adapted to be applied'to the usual form of bridge-pier and which while yielding to the impact of ice,
&c.', yet will readily shed or divert the same in its course, whereby the guard will be preserved against danger of breakage by reason ofsuch impact andthe gorging or damming up of the ice will be prevented.
Other objects and advantages of the invention will hereinafter appear, and the novelfeatures thereof will be particularly pointed out in the claims.
Referring to'the drawings, Figure 1 is a perspective view of a bridge-pierof the conventional type, showing my invention applied thereto. Fig. 2 is a central vertical sectional view'of a pier provided with a guard constructed in accordance with my invention. Fig. 3 comprises details of construction hereinafter referred to.
The pier 1 is of the usual type,-rectangular in cross-section,though it may be of any shape desired, and a guard may be applied to one,
' two, or more of its faces or corners, but preferably to its face opposing the current of the stream. However, the positioning of the guards is immaterial so far as this invention is concerned.
The guard itself comprises a series of vertically-alining substantially U-shaped frames 2, (see Fig. 3,) the ends of each of which are let into the pier 1, in which position they are secured. In each frame 2 is mounted for horizontal reciprocal movement a bearingblock 3, the sides and outer end of which are grooved, as at 4, to fit the said frame. Each bearing-blockis, furthermore, provided at 0pposite sides with bearing-cavities 5, flared toward their outer ends, and at its inner end each block may be provided with a countersunken seat 6, from which mayproject a stud 7, said seat 6 being directly opposite and alining with a countersunken seat 8, formed in the pier- 1. Located in these seats 6 and 8 of each block 3 is a heavy coiled spring 9, the studs 7entering the same and serving to maintain them in place. These springs are compressed into position, and hence serve to force the blocks outwardly into the outer ends of I the frames 2. I
1O designates roller-buffers, the same having axial bearings 11, which loosely engage in the bearing cavities 5 of the opposing iblocks. A series of these roller-buffers are employed, the same substantially alining vertically. The series of rollers are free to revolve as may be caused by the impact of the ice, and hence the latter can find no lodgment against the pier to which such guards may be applied. The springs serve to enable the roller-buffers to yield independently to such impact, thus in a measure breaking the force of the blow, and hence materially aiding in the preservation of the guardand by their subsequent expansion-serving to force the ice away from the pier, such yielding to and pushing of the ice continuing untilitglances and is carried off by the stream or current.
It will be understood that the guards may belocated as desired on the pier and any number employed; also, that the construction of said guards is subject of modification as to details of construction without departing from the spirit or sacrificing the advantages of my invention.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is
1., The combination, with a pier or the like,
of a series of rotatable buffers, and means for supporting the same and for independent lateral movement.
2. The combination, with a pier or the like, of a vertical series of independently-rotatable bufiers, and means for yieldingly and independently supporting each buffer'adjacent to the pier.
I naled in the blocks, and springs interposed 10 between the pier and the blocks.
In testimony whereof I affix my signature in presence of two witnesses.
V IIANNON THEODORE SWEARINGEN. Witnesses:
H. M. ADAMS, WM. R. BENHAM.
US12360302A 1902-09-16 1902-09-16 Guard for bridge-piers. Expired - Lifetime US747660A (en)

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US12360302A US747660A (en) 1902-09-16 1902-09-16 Guard for bridge-piers.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178909B1 (en) 1999-06-25 2001-01-30 Randy C. Palmer Water craft and dock protector assembly
US6513449B1 (en) * 2001-12-21 2003-02-04 Buoyant Solutions, Inc. Marine docking device
US11136095B2 (en) * 2012-05-11 2021-10-05 Fender Innovations Holding B.V. Fender, maritime structure, method for manufacturing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178909B1 (en) 1999-06-25 2001-01-30 Randy C. Palmer Water craft and dock protector assembly
US6513449B1 (en) * 2001-12-21 2003-02-04 Buoyant Solutions, Inc. Marine docking device
US11136095B2 (en) * 2012-05-11 2021-10-05 Fender Innovations Holding B.V. Fender, maritime structure, method for manufacturing

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