CA974621A - Warning system for automobile trailer hitches - Google Patents

Warning system for automobile trailer hitches

Info

Publication number
CA974621A
CA974621A CA155,274A CA155274A CA974621A CA 974621 A CA974621 A CA 974621A CA 155274 A CA155274 A CA 155274A CA 974621 A CA974621 A CA 974621A
Authority
CA
Canada
Prior art keywords
warning system
trailer hitches
automobile trailer
automobile
hitches
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
Application number
CA155,274A
Other versions
CA155274S (en
Inventor
Alfred P. Quilici
Warren F. Wilson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA974621A publication Critical patent/CA974621A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/01—Traction couplings or hitches characterised by their type
    • B60D1/06—Ball-and-socket hitches, e.g. constructional details, auxiliary devices, their arrangement on the vehicle
    • B60D1/065—Ball-and-socket hitches, e.g. constructional details, auxiliary devices, their arrangement on the vehicle characterised by the hitch mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
    • B60D1/28—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for preventing unwanted disengagement, e.g. safety appliances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
    • B60D1/36—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for facilitating connection, e.g. hitch catchers, visual guide means, signalling aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/58—Auxiliary devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
CA155,274A 1971-11-03 1972-10-31 Warning system for automobile trailer hitches Expired CA974621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19531771A 1971-11-03 1971-11-03

Publications (1)

Publication Number Publication Date
CA974621A true CA974621A (en) 1975-09-16

Family

ID=22720944

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,274A Expired CA974621A (en) 1971-11-03 1972-10-31 Warning system for automobile trailer hitches

Country Status (2)

Country Link
US (1) US3710370A (en)
CA (1) CA974621A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047167A (en) * 1976-08-12 1977-09-06 Helena Bill F Relaxation switch
DE2640650A1 (en) * 1976-09-09 1978-03-16 Al Ko France S A COUPLING FOR VEHICLE TRAILERS, IN PARTICULAR BALL COUPLING FOR CARAVANS
US4127855A (en) * 1976-10-07 1978-11-28 Toner Thomas J Trailer hitch monitor
EP0016847A1 (en) * 1979-03-21 1980-10-15 Portakabin Limited Trailer towing connection
US4271401A (en) * 1979-08-09 1981-06-02 Tri Delta Industries, Inc. Safety trailer hitch
US4593264A (en) * 1983-10-19 1986-06-03 Engle Edgar R Trailer hitch signaling device
DE3522481C1 (en) * 1985-06-22 1986-03-20 Daimler-Benz Ag, 7000 Stuttgart Device for recognizing a trailer coupled to a towing vehicle
US4627633A (en) * 1986-03-17 1986-12-09 Mgs, Inc. Trailer hitch uncouple detecting and signaling apparatus
US4827248A (en) * 1987-06-30 1989-05-02 The Boeing Company Proximity sensor with automatic gap control
US5028907A (en) * 1990-04-16 1991-07-02 Windeler Kenneth H Improper towing alarm device
US5434552A (en) * 1994-01-24 1995-07-18 Ems; Glenn L. Trailer hitch security system with separate and selectively set loose connection and theft prevention alarms
EP0665135B1 (en) * 1994-01-26 1998-07-29 Publiekrechtelijk Overheidslichaam Felua Groep Carrier device for transporting, for example, bicycles
US5951035A (en) * 1997-03-11 1999-09-14 Phillips, Jr.; Robert E. Trailer hitch alignment system
DE10015335B4 (en) * 2000-03-28 2014-12-11 Volkswagen Ag Removable hitch
FR2871304B1 (en) * 2004-06-03 2006-09-22 Alstom Sa PIVOTABLE ELECTRICAL CONNECTION DEVICE WITH SPHERICAL ROD
WO2015047552A1 (en) * 2013-09-24 2015-04-02 Stavrianoudakis Jim Steve Method and apparatus for locking assemblies
US10059161B1 (en) * 2017-08-21 2018-08-28 Ford Global Technologies, Llc Capacitive monitoring of vehicle hitches
US11161555B2 (en) 2019-09-06 2021-11-02 Banks Morrison Innovations Llc Tailgate deactivation system
US20230069630A1 (en) * 2021-08-24 2023-03-02 Sos Solutions, Inc. Power through trailer hitch systems and methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797406A (en) * 1956-06-14 1957-06-25 Tanis David Alignment device for trailer

Also Published As

Publication number Publication date
US3710370A (en) 1973-01-09

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