US184888A - Improvement in connecting pins for bars of bridges - Google Patents
Improvement in connecting pins for bars of bridges Download PDFInfo
- Publication number
- US184888A US184888A US184888DA US184888A US 184888 A US184888 A US 184888A US 184888D A US184888D A US 184888DA US 184888 A US184888 A US 184888A
- Authority
- US
- United States
- Prior art keywords
- bars
- improvement
- bridges
- connecting pins
- bolt
- 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
Links
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
-
- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
Definitions
- My invention relates to bridge, scaffold, and truss building in general, and the like, and has for its object a reliable connecting-pin for straining or eye bars; to which end it consists in the device hereinafter described and claimed.
- Figure 1 represents, in sectional plan, the old form of connecting by a simple bolt, and shows, further, the excessive iii-cutting of the threads upon the bolt-shank, to obviate the dangers resulting from which is the aim of this my improvement;
- Fig. 2 a top view of bars connected by my composite pin;
- Fig. 3 a section through the same, disclosing the relative position and construction of the parts.
- straining-bar which has its seat upon such over-cut portion, is either worn by the thread to the eventual loosing up and. twisting out of shape of the connection, or else shears the bolt itself off across the weakened in-cut portion.
- connection thus formed are reduced to a mini mum, for the hollow cylindrical pin is of the strongest form, to resist compressing-strains, while the side plates prevent a possibility of slipping and twisting off of the eye-bars, and the bolt, being used simply to confine, and itself sufi'ering no strain, is suhjectedto no possibility of fracture or damage whatever.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
P. MUNZINGER.
CONNECTING PINS FOR. BARS 0F BRIDGES. No.184,888. Patented Nov.Z8, 1876.
rr STATES PATENT rrron.
PETER MUNZINGER, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO MORRIS, TASKER & (10., (LIMITED,) OF'SAME PLACE.
IMPROVEMENT l N CONNECTING-PINS FOR BARS OF BRIDGES.
Specification forming part of Letters Patent No. 184,888, dated November 28, 1876; application filed October 10,1876.
To all whom it may concern:
Be it known that I, PETER MUNZINGER, of the city and county of Philadelphia, in the State of Pennsylvania, have invented a new and useful Improvement in Connecting-Pins for Eye-Bars, of which I hereby declare the following to be a full, clear, and precise description, and sufficient to enable those skilled in the art to which my improvement appertains to comprehend and construct it, reference being had to the accompanying drawing, forming a part of this specification.
My invention relates to bridge, scaffold, and truss building in general, and the like, and has for its object a reliable connecting-pin for straining or eye bars; to which end it consists in the device hereinafter described and claimed.
Of the drawings, in all of which similar letters of reference denote corresponding parts, Figure 1 represents, in sectional plan, the old form of connecting by a simple bolt, and shows, further, the excessive iii-cutting of the threads upon the bolt-shank, to obviate the dangers resulting from which is the aim of this my improvement; Fig. 2, a top view of bars connected by my composite pin; and Fig. 3, a section through the same, disclosing the relative position and construction of the parts.
The disadvantages attending the cutting of the screw-thread too far up the shank of the bolt a result almost impossible of avoidance,
by reason of the carelessness of workmen, and the difiiculty of gaging the depth of the cut are that the straining-bar, which has its seat upon such over-cut portion, is either worn by the thread to the eventual loosing up and. twisting out of shape of the connection, or else shears the bolt itself off across the weakened in-cut portion.
To obviate these disadvantages I have invented a very simple device, to be described by reference to the drawings, as follows: A
connection thus formed are reduced to a mini mum, for the hollow cylindrical pin is of the strongest form, to resist compressing-strains, while the side plates prevent a possibility of slipping and twisting off of the eye-bars, and the bolt, being used simply to confine, and itself sufi'ering no strain, is suhjectedto no possibility of fracture or damage whatever.
Having thus described my invention, I claim and desire to. secure by Letters Patent of the United States- The combination of the hollow cylindrical pin A, the side plates B, provided with circular bosses 0, adapted to fit direct within the core of the pin, and thus retain themselves laterally in position, and a single central confining-bolt, D, adapted to pass completely through both side plates and pin, and to secure the entire device together, so as to form an improved composite pin for the union of straining-bars, substantially as described.
In testimony whereof I have hereunto signed my name in the presence of two subscribing witnesses.
PETER MUNZINGER. Witnesses:
J. BONSALL TAYLOR, JOHN JOLLEY.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US184888TA | 1876-10-10 | 1876-10-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
US184888A true US184888A (en) | 1876-11-28 |
Family
ID=2254293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US184888D Expired - Lifetime US184888A (en) | 1876-10-10 | 1876-10-10 | Improvement in connecting pins for bars of bridges |
Country Status (1)
Country | Link |
---|---|
US (1) | US184888A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2527479A (en) * | 1946-10-18 | 1950-10-24 | Preston M Hall | Method and means for forming joints |
US3296877A (en) * | 1965-04-12 | 1967-01-10 | Flick Reedy Corp | Lever arm for valve operator |
US3467422A (en) * | 1967-05-24 | 1969-09-16 | Lloyd L Mielke | Safety pivot connection |
US20090202693A1 (en) * | 2008-02-11 | 2009-08-13 | Meyer Intellectual Properties Limited | Combination saute pan and cooking method |
CN104613061A (en) * | 2013-11-01 | 2015-05-13 | 空中客车简化股份公司 | Bending-sustaining joint and aircraft |
-
1876
- 1876-10-10 US US184888D patent/US184888A/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2527479A (en) * | 1946-10-18 | 1950-10-24 | Preston M Hall | Method and means for forming joints |
US3296877A (en) * | 1965-04-12 | 1967-01-10 | Flick Reedy Corp | Lever arm for valve operator |
US3467422A (en) * | 1967-05-24 | 1969-09-16 | Lloyd L Mielke | Safety pivot connection |
US20090202693A1 (en) * | 2008-02-11 | 2009-08-13 | Meyer Intellectual Properties Limited | Combination saute pan and cooking method |
CN104613061A (en) * | 2013-11-01 | 2015-05-13 | 空中客车简化股份公司 | Bending-sustaining joint and aircraft |
EP2876315A1 (en) * | 2013-11-01 | 2015-05-27 | Airbus SAS | Joint with a hollow trunnion attached by a threaded bolt to a body for the support of a link of a control flap of an aircraft wing |
US9580163B2 (en) | 2013-11-01 | 2017-02-28 | Airbus S.A.S. | Bending-sustaining joint and aircraft |
CN104613061B (en) * | 2013-11-01 | 2018-09-04 | 空中客车简化股份公司 | Hold bent sub and aircraft |
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