A T-shaped fan blade arm attachment is disclosed for securing ceiling fan blades to a rotor of a ceiling fan motor. The fan blade arms have T-shaped ends with an elastomeric ring disposed adjacent the T-shapes ends. A mounting bracket has mounting holes with opposed slots for receiving the T-shaped
A T-shaped fan blade arm attachment is disclosed for securing ceiling fan blades to a rotor of a ceiling fan motor. The fan blade arms have T-shaped ends with an elastomeric ring disposed adjacent the T-shapes ends. A mounting bracket has mounting holes with opposed slots for receiving the T-shaped ends of the fan blade arms. The opposed slots are preferably aligned at an angle to the horizontal when mounted to a ceiling fan motor. The mounting bracket has a flat surface exteriorly disposed on the mounting bracket adjacent to respective ones of the mounting holes. The mounting bracket has two cams with lock grooves disposed on interior surfaces of the mounting bracket, adjacent to respective ones of the mounting holes. The T-shaped ends insert into the mounting holes and are rotated to guide the T-shaped ends of the fan blade arms into the lock grooves.
대표청구항▼
1. An apparatus for securing a ceiling fan blade to a rotor of a ceiling fan motor, the apparatus comprising: a fan blade arm having a T-shaped end post, said T-shaped end post having a main body and a lug, wherein said lug extends from a side of said main body of said T-shaped end post in first dir
1. An apparatus for securing a ceiling fan blade to a rotor of a ceiling fan motor, the apparatus comprising: a fan blade arm having a T-shaped end post, said T-shaped end post having a main body and a lug, wherein said lug extends from a side of said main body of said T-shaped end post in first direction;a mounting bracket having a mounting hole which has a main bore and a slot extending to one side of said mounting hole, wherein said main bore and said slot are configured for receiving said main bore receiving said main body and said slot receiving said lug for passing said main body and said lug through said mounting bracket, from an exterior side of said mounting bracket to an interior side of said mounting bracket;a cam lock disposed on said interior side of said mounting bracket, adjacent said mounting hole, said cam lock having a cam surface disposed adjacent to said mounting hole and a lock groove surface disposed in spaced apart relation from said slot, separated from said slot by said cam surface;said cam lock having a stop disposed adjacent to said lock groove surface, spaced apart from said cam surface by said lock groove surface;said cam lock further including a lock spring mounted adjacent to said mounting hole, said lock spring extending between said slot and said lock groove surface and having a stop edge disposed in opposed relation to said stop, with said stop edge spaced apart from said stop above said lock groove surface;wherein said cam surface and said lock groove surface of said cam lock are configured for engaging said lug of said T-shaped end post, with said cam surface guiding said lug onto said lock groove surface when said T-shaped end post is inserted through said mounting hole and rotated in a first angular direction relative to said mounting bracket; andwherein said lug of said T-shaped end post of said fan blade arm is inserted through said mounting hole, and once through, said T-shaped end post is rotated in said first angular direction to move said lug along said cam surface and onto said lock groove surface, and dispose said lug between said stop edge of said lock spring and said stop to non-rotatably secure said fan blade arm to said mounting bracket. 2. The apparatus set forth in claim 1, further comprising: said T-shaped end post having a second lug extending from a side of said main body of said T-shaped end post in second direction;said mounting hole of said mounting bracket having a second slot which extends to a second side of said mounting hole, wherein said main bore, said slot and said second slot are configured for said main bore receiving said main body, said slot receiving said lug, and said second slot for receiving said second lug and for passing said main body, said lug and said second lug through said mounting bracket, from an exterior side of said mounting bracket to an interior side of said mounting bracket. 3. The apparatus according to claim 2, wherein said second lug is shorter than said lug. 4. The apparatus according to claim 2, wherein said slot and said second slot of said mounting hole are aligned in opposed relation, extending from opposite sides of said mounting hole and at an angle to a horizontal direction when said mounting bracket is mounted to a rotor disc of a ceiling fan motor. 5. The apparatus according to claim 1, further comprising a bias means extending between said fan blade arm and said mounting bracket for urging said lugs of said T-shaped end post of said fan blade arm to push into said lock grooves. 6. The apparatus set forth in claim 5, wherein said bias means comprises an elastomeric ring extending between said fan blade arm and said mounting bracket. 7. The apparatus according to claim 6, further comprising: an outward side of said mounting bracket disposed adjacent to said mounting hole having a first flat surface;said fan blade arm having a second flat surface disposed adjacent to said T-shaped end post which is disposed in opposed relation to said first flat surface when said T-shaped end post is inserted into said mounting hole of said mounting bracket;wherein said elastomeric ring is disposed around said T-shaped end post adjacent to said second flat surface, wherein said elastomeric ring engages between said first flat surface and said second flat surface, being squeezed there-between, when said T-shaped end post is inserted through said mounting hole. 8. The apparatus according to claim 5, wherein said lock spring defines said cam surface and said lock spring is configured for pushing said lug into said stop with said lug disposed above said lock groove surface. 9. The apparatus according to claim 8, wherein said lock spring is defined by a leaf spring. 10. An apparatus for securing a ceiling fan blade to a rotor of a ceiling fan motor, the apparatus comprising: a fan blade arm having a T-shaped end post, said T-shaped end post having a main body and two lugs, wherein said two lugs extend from opposite sides of said main body of said T-shaped end post in opposite direction;a mounting bracket having a mounting hole which has a main bore and two slots disposed in opposed relation on opposite sides of said mounting hole, wherein said main bore and said slots are configured for said main bore receiving said main body and said two slots receiving respective ones of said two lugs for passing said main body and said lugs through said mounting bracket, from an exterior side of said mounting bracket to an interior side of said mounting bracket;two cam locks disposed on said interior side of said mounting bracket, adjacent said mounting hole, said two cam locks each having a cam surface disposed adjacent to said mounting hole and a lock groove surface disposed in spaced apart relation from respective ones of said slots, separated from said slots by a respective one of said cam surfaces;said two cam locks each having a stop disposed adjacent to a respective one of said lock groove surfaces, spaced apart from a respective one of said cam surfaces by a respective one of said lock groove surfaces;one of said cam locks further including a lock spring mounted adjacent to said mounting hole and extending between respective ones of said slots and said lock groove surfaces, said lock spring further including a stop edge disposed in opposed relation to an adjacent one of said stops, with said stop edge spaced apart from said adjacent one of said stops above one said lock groove surfaces;wherein said cam surfaces and said lock groove surfaces of said two cam locks are configured for engaging respective ones of said lugs of said T-shaped end post, with said cam surfaces guiding said lugs onto a respective one of said lock groove surfaces when said T-shaped end post is inserted through said mounting hole rotated in a first direction relative to said mounting bracket; andwherein said T-shaped end of said fan blade arm is inserted through said mounting hole, and once through, is rotated in said first direction to move said lugs along respective ones of said cam surfaces and onto said lock grooves surfaces, and dispose one of said lugs between said stop edge of said lock spring and a respective one of said stops to non-rotatably secure said fan blade arm to said mounting bracket. 11. The apparatus according to claim 10, further comprising a bias means extending between said fan blade arm and said mounting bracket for urging said lugs of said T-shaped end post of said fan blade arm to push into said lock grooves. 12. The apparatus according to claim 11, wherein said bias means comprises an elastomeric ring extending between said fan blade arm and said mounting bracket. 13. The apparatus according to claim 12, further comprising: an outward side of said mounting bracket disposed adjacent to said mounting hole having a first flat surface;said fan blade arm having a second flat surface disposed adjacent to said T-shaped end post which is disposed in opposed relation to said first flat surface when said T-shaped end post is inserted into said mounting hole of said mounting bracket;wherein said elastomeric ring is disposed around said T-shaped end post adjacent to said second flat surface, wherein said elastomeric ring engages between said first flat surface and said second flat surface, being squeezed there-between, when said T-shaped end post is inserted through said mounting hole. 14. The apparatus according to claim 11, wherein said a lock spring defines one of said cam surfaces, and said lock spring is configured for securing one of said lugs adjacent a respective one of said stops. 15. The apparatus according to claim 14, wherein said lock spring is defined by a leaf spring. 16. The apparatus according to claim 10, further comprising: a first one of said lugs is longer than a second one of said lugs of said T-shaped end post; andsaid two slots of said mounting hole aligned in said opposed relation at an angle to a horizontal direction when mounted to a rotor disc of a ceiling fan motor. 17. An apparatus for securing a ceiling fan blade to a rotor of a ceiling fan motor, the apparatus comprising: a fan blade arm having a T-shaped end post, said T-shaped end post having a main body and two lugs, wherein said two lugs extend from opposite sides of said main body of said T-shaped end post in opposite direction;a mounting bracket having a mounting hole which has a main bore and two slots disposed in opposed relation on opposite sides of said mounting hole, wherein said main bore and said slots are configured for said main bore receiving said main body and said two slots receiving respective ones of said two lugs for passing said main body and said lugs through said mounting bracket, from an exterior side of said mounting bracket to an interior side of said mounting bracket;two cam locks disposed on said interior side of said mounting bracket, adjacent said mounting hole, said two cam locks each having a cam surface adjacent to said mounting hole and a lock groove disposed in spaced apart relation from said mounting hole, separated from said mounting hole by a respective one of said cam surfaces;wherein said cam surfaces and said lock grooves of said two cam locks are configured for engaging respective ones of said lugs of said T-shaped end post, with said cam surfaces guiding said lugs in a respective one of said lock grooves when said T-shaped end post is inserted through said mounting hole rotated in a first direction relative to said mounting bracket;wherein the T-shaped ends of said fan blade arm are inserted through said mounting hole, and once through, are rotated in said first direction to move said lugs along respective ones of said cam surfaces and into said lock grooves to non-rotatably secure said fan blade arm to said mounting bracket; anda lock spring mounted to said mounting bracket, adjacent to said mounting hole, and extending between one of said two slots and a respective one of said lock grooves, said lock spring configured for securing one of said lugs in a respective one of said lock grooves. 18. The apparatus according to claim 17, further comprising: an outward side of said mounting bracket disposed adjacent to said mounting hole having a first flat surface;said fan blade arm having a second flat surface disposed adjacent to said T-shaped end post which is disposed in opposed relation to said first flat surface when said T-shaped end post is inserted into said mounting hole of said mounting bracket;an elastomeric ring disposed around said T-shaped end post adjacent to said second flat surface, wherein said elastomeric ring engages between said first flat surface and said second flat surface, being squeezed there-between, when said T-shaped end post is inserted through said mounting hole. 19. The apparatus according to claim 17, wherein said lock spring extends between a respective one of said slots and one of said lock grooves to define one of said cam surfaces. 20. The apparatus according to claim 19, wherein said lock spring is defined by a leaf spring.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.