US148421A - Improvement in safety-pins for thill-couplings - Google Patents

Improvement in safety-pins for thill-couplings Download PDF

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US148421A
US148421A US148421DA US148421A US 148421 A US148421 A US 148421A US 148421D A US148421D A US 148421DA US 148421 A US148421 A US 148421A
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Prior art keywords
safety
couplings
pins
thill
improvement
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Expired - Lifetime
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B19/00Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/02Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/01Traction couplings or hitches characterised by their type
    • B60D1/02Bolt or shackle-type couplings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/70Interfitted members
    • Y10T403/7073Peripheral enlargement, depression, or slot on one member is joint component

Description

. J. G, DANCE.

Safety-Pins for Hill-Couplings.

No.l48,421 PatentedMarch10.1874.

Annrneysi Inventor. e/

UNITED STATES PATENT OFFICE.

JOSEPH G. DANCE, OF LONG GREEN, MARYLAND.

IMPROVEMENT IN SAFETY-PINS FOR THlLL-COUPLINGS.

Specification forming part of Letters Patent No. 148,421, dated March 10, 1874; application filed January 20, 1874.

To all whom it may concern:

Be it known that I, JosEPH G. DANCE, of Long Green, in the county of Baltimore and State of Maryland, have invented a new and Improved Safety-Pin for Thill-Couplin gs and jolting or ordinary casualty will displace it.

The invention consists in providing the coupling pin or bolt with a notch near its point, and combining therewith a slotted or apertured plate, which is hinged to a spring attached to the head of the pin or bolt, as herein fully described.

A represents a pin, whose head a is preferably in one piece with a spring, B, to whose end is pivoted a plate, 0, having the aperture with edge 0. The bolt A tapers to" Ward the point, near which is a notch, whose shoulder a is perpendicular to the axis of pin. The swinging plate 0 receives the point of pin, and, being pressed up, causes the spring B to yield until the notch is reached, when the spring draws into the notch the eye 0, which is then held firmly against the shoulder a.

This lock-pin is applied quickly and with great facility, while the spring-held plate 0 eflectually guards against its detachment by any ordinary cause.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

I11 combination with the pin A, having the notch near its point, the apertured plate 0 and spring B, the plate being hinged to the free end of the spring, as shown and described.

JOSEPH e. DANCE.

Witnesses:

CHAS. T. HAILE, THOMAS PEER-OE, JAMES D. SLADE.

US148421D Improvement in safety-pins for thill-couplings Expired - Lifetime US148421A (en)

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US148421D Expired - Lifetime US148421A (en) Improvement in safety-pins for thill-couplings

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706902A (en) * 1950-10-30 1955-04-26 Nichols Richard William Key holder
US3926089A (en) * 1972-10-31 1975-12-16 Franz Rubig & Sohne Kg Safety pin
US4236439A (en) * 1977-08-11 1980-12-02 Sanyo Kiki Kabushiki Kaisha Lockable pin
US20050120986A1 (en) * 2003-12-04 2005-06-09 Mack Trucks, Inc. System and method for preventing piston-valve collision on a non-freewheeling internal combustion engine
US20050186026A1 (en) * 2004-02-24 2005-08-25 Deere & Company, A Delaware Corporation Device for securing an object

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706902A (en) * 1950-10-30 1955-04-26 Nichols Richard William Key holder
US3926089A (en) * 1972-10-31 1975-12-16 Franz Rubig & Sohne Kg Safety pin
US4236439A (en) * 1977-08-11 1980-12-02 Sanyo Kiki Kabushiki Kaisha Lockable pin
US20050120986A1 (en) * 2003-12-04 2005-06-09 Mack Trucks, Inc. System and method for preventing piston-valve collision on a non-freewheeling internal combustion engine
US20050186026A1 (en) * 2004-02-24 2005-08-25 Deere & Company, A Delaware Corporation Device for securing an object
DE102004008949A1 (en) * 2004-02-24 2005-09-01 Deere & Company, Moline Device for securing an object

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