12/14/2023 0 Comments Kingpin locking jaws![]() ![]() ![]() In fact, the security device will probably be removable only by cutting it from the kingpin as with a torch or alike. By making this portion of the housing more deformable, however, the internally directed force will bend or crumple the housing toward the jaws 34 precluding the removal of them. It is contemplated that in the theft of a trailer the thief will attempt to remove the security device by attacking it at this point because of its lesser structural strength probably by backing the vehicle into it or striking it with a heavy object. The wider end adjacent the recesses 22, however, is more readily deformable. It is contemplated that personnel installing the security device will normally position this tapered end portion of the housing toward the front of the trailer so that if the tractor operator accidentally backs his vehicle against the security device the device will withstand the force of the impact and may still be removed. Y10T70/5611- For control and machine elementsĪs is readily apparent the heaviest structural portion of the housing 10 is the tapered end around the locking mechanism 40.Y10T- TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION.Y10- TECHNICAL SUBJECTS COVERED BY FORMER USPC.Y- GENERAL 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 AND DIGESTS.B60D1/60- Covers, caps or guards, e.g.B60D1/28- Traction couplings Hitches Draw-gear Towing devices characterised by arrangements for particular functions for preventing unwanted disengagement, e.g.B60D1/24- Traction couplings Hitches Draw-gear Towing devices characterised by arrangements for particular functions.B60D1/00- Traction couplings Hitches Draw-gear Towing devices.B62D53/085- King pins fitted with anti-coupling devices, pivotal or retractable king pins, e.g.B62D53/08- Fifth wheel traction couplings.B62D53/04- Tractor-trailer combinations Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle.B62D53/00- Tractor-trailer combinations Road trains.B62- LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS.235000010599 Verbascum thapsus Nutrition 0.000 description 2. ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US12107371A external-priority Application filed by Alvin L Owen filed Critical Alvin L Owen Application granted granted Critical Publication of US3706211A publication Critical patent/US3706211A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number Inventor Alvin L Owen Original Assignee Alvin L Owen Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents US3706211A - Security deviceÄownload PDF Info Publication number US3706211A US3706211A US3706211DA US3706211A US 3706211 A US3706211 A US 3706211A US 3706211D A US3706211D A US 3706211DA US 3706211 A US3706211 A US 3706211A Authority US United States Prior art keywords jaws kingpin shank housing locking Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]()
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