# US 4,398,500 A · Locking animal collar > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 4,398,500 A - Document ID: US4398500A - Status: Granted - Kind: A - Application number: 06/351,525 - Filed: 1982-02-23 - Granted: 1983-08-16 - Earliest claimed: 1982-02-23 - Inventors: Henry L. Koronkiewicz - Web page: https://patentgrep.com/patent/US4398500A ## CPC - A01K 27/005: {Quick-couplings, safety-couplings or shock-absorbing devices between leash and collar} - A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS ## Abstract The present invention provides an animal leash having first and second loop forming portions at either end thereof with one of the loop forming portions comprising an adjustable collar. The leash further includes a locking arrangement for locking the collar at different loop sizes. The locking arrangement itself comprises recesses in the collar, a housing for slideably receiving the collar, a lug within the housing for fitting into the recesses when the collar is locked and a rotatable lock member for effecting locking and unlocking of the collar. ## Claims ### Claim 1 An animal leash having first and second deformable loop forming portions at either end thereof, said first loop forming portion comprising a collar which is adjustable to different loop sizes, a locking arrangement for locking said collar at the different loop sizes, said locking arrangement comprising adjustment recesses in said collar, a housing for slideably receiving said collar, lug means within said housing for fitting into said recesses when the collar is locked, and a rotatable lock member moveable from a locking position for forcing the fitting of said lug means into said recesses to an unlocking position for withdrawal of said lug means from said recesses to allow adjustment of said collar; and locking means to additionally and releasably lock said second loop forming portion for opening and closing thereof to secure an animal locked in said collar portion to a post and the like. ### Claim 2 (depends on 1) An animal leash as claimed in claim 1 wherein both of said first and second loop forming portions are adjustable in forming loops of different sizes. ### Claim 3 (depends on 1) An animal leash as claimed in claim 1 wherein said first loop forming portion has a substantially flat inner surface for comfort on an animal. ### Claim 4 (depends on 1) An animal leash as claimed in claim 1 wherein said collar comprises in inner cable provided with spaced apart protrusions and a sheath over said cable, said sheath being perforated between said protrusions to provide said recesses. ### Claim 5 (depends on 4) An animal leash as claimed in claim 4 wherein said lug means are provided on said housing in a stationary position, said rotatable lock member being provided with a cam which pushes on said collar when said rotatable lock member is in said locking position to force said collar to move to said lug means which engages in said recesses. ### Claim 6 (depends on 4) An animal leash as claimed in claim 4 wherein said recesses are located on an inner surface of said sheath, said rotatable lock member being located adjacent said inner surface of said sheath and carrying said lug means which moves with said lock member to provide locking and unlocking of said collar. ### Claim 7 (depends on 4, 5, 6) An animal leash as claimed in claims 4, 5 or 6 wherein said sheath is made from a soft flexible material such as leather and the like. ### Claim 8 (depends on 1) An animal leash as claimed in claim 1 wherein said leash and at least said first loop forming portion are formed from a continuous length of chain having interconnected chain links, said chain links being open to receive said lug means thereby providing said recesses. ### Claim 9 (depends on 8) An animal leash as claimed in claim 8 wherein said rotatable lock member includes a tooth which engages and disengages said chain with rotation of said lock member. ### Claim 10 (depends on 8, 9) An animal leash as claimed in claims 8 or 9 wherein said second loop forming portion is also formed from said continuous length of chain. ### Claim 11 (depends on 1) An animal leash as claimed in claim 1 wherein said collar includes a leash connected end from which said collar is adjusted and a fixed end secured to said housing. ### Claim 12 (depends on 1) An animal leash as claimed in claim 1 wherein at least one of said first and second loop forming portions includes an end which is releasably secured at said housing for opening and closing such loop forming portion. ### Claim 13 (depends on 1, 2, 3) An animal leash as claimed in claims 1, 2 or 3 wherein said leash is formed from tempered steel. ### Claim 14 (depends on 12) An animal leash as claimed in claim 12 including clip means on said leash for clipping any excess length of collar fitted through said housing.