Vacuum cleaner hose construction and method of making the same

• US 5,069,635 A
• Filed: 10/26/1989
• Issued: 12/03/1991
• Est. Priority Date: 08/26/1988
• Status: Expired due to Fees

• Current Assignee: The Flexaust Company Inc.
• Original Assignee: Dayco Products LLC
• Inventors: Legrady, Janos J., Noyes, Lowell T., Loyer, Philip K., Holden, Homer N.
• Primary Examiner(s): Abrams, Neil
• Assistant Examiner(s): NGUYEN, KHIEM M
• Application Number:
  US07/427,421
• Time in Patent Office: 768 Days
• Field of Search: 439/395, 439/396, 439/191, 439/192, 439/387, 439/389, 439/400, 439/296, 439/370, 439/259, 439/263, 439/443, 29/857
• US Class Current: 439/400
• CPC Class Codes: A47L 9/246 with electrical connectors
• CPC Class Codes: H01R 13/005 Electrical coupling combined with fluidic coupling
• CPC Class Codes: H01R 4/2454 forming a U-shape with slotted branches
• CPC Class Codes: Y10T 29/49174 Assembling terminal to elongated conductor

Abstract

A vacuum cleaner hose construction and method of making the same are provided, the vacuum cleaner hose construction comprising an elongated vacuum hose having an electrical conductor extending therealong and being provided with an end portion, and an electrical connector carried by the hose and being fixed to the end portion, the connector having a pair of spaced apart knife-like portions each being provided with opposed edges defining sides of a slot therein that has an open end and a closed end, the knife-like portions of the connector having the open ends of the slots thereof facing in the same direction and being interconnected together at one end thereof to an intermediate part of the connector whereby the portions and the part define a U-shaped configuration that has a bight facing in the same direction as the open end of the slots, the end portion being disposed in the slots of the connector and being wedged between the opposed edges thereof for providing electrical connection therebetween, the connector having a holding unit carried thereby and disposed adjacent the conductor to hold the conductor in the slots by trapping the conductor between the holding unit and the closed ends of the slots, the holding unit comprising a U-shaped holding member having a pair of spaced apart legs and a cross member interconnecting the legs together, the legs being respectively disposed adjacent the knife-like portions and between the same, the bight of the U-shaped holding member facing in the same direction as the bight of the connector.

Claims

1. In a construction that comprises an electrical conductor provided with an end portion, and an electrical connector fixed to said end portion, said connector having a pair of spaced apart knife-like portions each being provided with opposed edges defining sides of a slot therein that has an open end and a closed end, said knife-like portions of said connector having said open ends of said slots thereof facing in the same direction and being interconnected together at one end thereof to an intermediate part of said connector whereby said portions and said part define a U-shaped configuration that has a bight facing in the same direction as said open ends of said slots, said end portion being disposed in said slots of said connector and being wedges between said opposed edges thereof for providing electrical connection therebetween, said connector having holding means carried thereby and disposed adjacent said conductor to hold said conductor in said slots by trapping said conductor between said holding means and said closed ends of said slots, said holding means comprising a U-shaped holding member having a pair of spaced apart legs and a cross member interconnecting said legs together, said legs being respectively disposed adjacent said knife-like portions and between the same, the improvement wherein the bight of said U-shaped holding member faces in the same direction as said bight of said connector and wherein said leg of said holding member has a pair of spaced apart snap-fitting means snap-fitting with its respective knife-like portion of said connector to hold said holding member to said connector, each pair of said snap-fitting means being disposed on a line that generally passes through said conductor, said legs of said holding means comprising a pair of knife-like portions disposed in spaced apart parallel relation and being interconnected together by said cross member, each knife-like portion of said holding means having opposed edges defining sides of a slot therein that has an open end and a closed end, said knife-like portions of said holding means having said open ends of said slots thereof facing in a like direction that is opposite to the direction that said slots of said connector face.

2. A construction as set forth in claim 1 wherein said holding means initially was separate from said connector.

3. A construction as set forth in claim 1 wherein said cross member of said holding means has a slot therein that interconnects with said slots of said knife-like portions of said holding means at said open ends thereof.

4. A construction as set forth in claim 3 wherein said cross member of said holding means is disposed spaced from said intermediate part of said connector.

5. A construction as set forth in claim 4 wherein said knife-like portions of said connector each has a pair of spaced apart snap-fit means respectively snap-fitting with said snap-fit means of its respective leg of said holding means with said cross member of said holding means being spaced from said intermediate part of said conductor.

6. A construction as set forth in claim 5 wherein said pair of snap-fit means of each of said knife-like portions are disposed respectively on opposite sides of said slot thereof.

7. A construction as set forth in claim 6 wherein each said snap-fit means of said connector comprises an opening means and wherein each said snap-fit means of said holding means comprises a projection means.

8. A construction as set forth in claim 7 wherein said projection means are each substantially cylindrical and wherein said openings are each substantially circular with a diameter larger than the diameter of said projection means.

9. In a method of making a construction that comprises an electrical conductor provided with an end portion, and an electrical connector fixed to said end portion, said connector having a pair of spaced apart knife-like portions each being provided with opposed edges defining sides of a slot therein that has an open end and a closed end, said knife-like portions of said connector having said open ends of said slots thereof facing in the same direction and being interconnected together at one end thereof to an intermediate part of said connector whereby said portion and said part define a U-shaped configuration that has a bight facing in the same direction as said open ends of said slots, said end portion being disposed in said slots of said connector and being wedged between said opposed edges thereof for providing electrical connection therebetween, said connector having holding means carried thereby and disposed adjacent said conductor to hold said conductor in said slots by trapping said conductor between said holding means and said closed ends of said slots, said holding means comprising a U-shaped holding member having a pair of spaced apart legs and a cross member interconnecting said legs together, said legs being respectively disposed adjacent said knife-like portions and between the same, the improvement comprising the steps of disposing said holding member between said knife-like portions so that the bight of said U-shaped holding member faces in the same direction as said bight of said connector, forming each leg of said holding member to have a pair of spaced apart snap-fitting means that snap-fit with its respective knife-like portion of said connector to hold said holding member to said connector, forming each pair of said snap-fitting means to be disposed on a line that generally passes through said conductor, forming said legs of said holding means to comprise a pair of knife-like portions disposed in spaced apart parallel relation and being interconnected together by said cross member, forming each knife-like portion of said holding means to have opposed edges defining sides of a slot therein that has an open end and a closed end, and forming said knife-like portions of said holding means to have said open ends of said slots thereof facing in a like direction that is opposite to the direction that said slots of said connector face.

10. A method of making a construction as set forth in claim 9 and including the step of forming said holding means to initially be separate from said connector.

11. A method of making a construction as set forth in claim 9 and including the step of forming said cross member of said holding means to have a slot therein that interconnects with said slots of said knife-like portions of said holding means at said open ends thereof.

12. A method of making a construction as set forth in claim 11 and including the step of forming said cross member of said holding means to be disposed spaced from said intermediate part of said connector.

13. A method of making a construction as set forth in claim 12 and including the step of forming said knife-like portions of said connector to each have a pair of spaced apart snap-fit means respectively snap-fitting with said snap-fit means of its respective leg of said holding means with said cross member of said holding means being spaced from said intermediate part of said connector.

14. A method of making a construction as set forth in claim 13 and including the step of forming said pair of snap-fit means of each of said knife-like portions to be disposed respectively on opposite sides of said slot thereof.

15. A method of making a construction as set forth in claim 14 and including the step of forming each said snap-fit means of said connector to comprise an opening means and wherein each said snap-fit means of said holding means comprises a projection means.

16. A method of making a construction as set forth in claim 15 and including the steps of forming said projection means to each be substantially cylindrical, and forming said openings to each be substantially circular with a diameter larger than the diameter of said projection means.