Patent
Lockable nut
| العنوان: | Lockable nut |
|---|---|
| Patent Number: | 4,557,652 |
| تاريخ النشر: | December 10, 1985 |
| Appl. No: | 06/554,902 |
| Application Filed: | November 25, 1983 |
| مستخلص: | A nut which is lockable on a threaded element comprises two annular parts (1, 2) connected by preferably resilient members (5). Locking takes place by tightening a screw (6) arranged in a threaded bore in one nut part and abutting against the other nut part. During tightening of the screw, the parts (1, 2) are displaced and/or skewed in relation to each other whereby locking takes place on the thread. |
| Inventors: | Lundgren, Bengt (Lerum, SEX) |
| Assignees: | SKF Nova AB (Goteborg, SEX) |
| Claim: | What is claimed is |
| Claim: | 1. A lock nut assembly adapted to be locked on a threaded element comprising at least a pair of coaxially oriented annular nut members having threads formed on their peripheral surfaces complementing and cooperable with the threaded element, resilient elastic means connecting said annular members and normally maintaining them in abutting relation at their axial end faces including at least one plug member made of rubber snugly engaging in axially aligned, circumferentially spaced openings in the nut members maintaining the nut members in side-by-side contacting array with a predetermined elastic prestress, said elastic resilient means permitting limited axial displacement of said annular members and restricting relative rotation thereof, and normally permitting free rotation of said annular members as a unit relative to the threaded element and screw actuator means for displacing said annular members axially relative to one another thereby to lock said annular members to the threaded element and wherein upon release of said actuator means said resilient elastic means urges said annular members to the axially abutting relation permitting rotation of said annular elements as a unit relative to the threaded element. |
| Claim: | 2. A lock nut assembly adapted to be locked on a threaded element comprising at least a pair of coaxially oriented annular nut members having threads formed on their peripheral surfaces complementing and cooperable with the threaded element, resilient elastic means connecting said annular members and normally maintaining them in abutting relation at their axial end faces, said elastic resilient means permitting limited axial displacement of said annular members and restricting relative rotation thereof, and normally permitting free rotation of said annular members as a unit relative to the threaded element and screw actuator means for displacing said annular members axially relative to one another thereby to lock said annular members to the threaded element and wherein upon release of said actuator means said resilient elastic means urges said annular members to the axially abutting relation permitting rotation of said annular elements as a unit relative to the threaded element, said nut members comprising identical sheet metal washers first connected by plug members forming the resilient elastic means and wherein the thread is formed in the members so connected. |
| Claim: | 3. A lock nut assembly adapted to be locked on a threaded element comprising at least a pair of coaxially oriented annular nut members having threads formed on their peripheral surfaces complementing and cooperable with the threaded element, resilient elastic means connecting said annular members and normally maintaining them in abutting relation at their axial end faces, comprising a series of pins arranged in axially aligned bores in said nut members, said pins being vulcanized rubber bushings in said bores to provide a resilient joint, said elastic resilient means permitting limited axial displacement of said annular members and restricting relative rotation thereof, and normally permitting free rotation of said annular members as a unit relative to the threaded element and screw actuator means for displacing said annular members axially relative to one another thereby to lock said annular members to the threaded element and wherein upon release of said actuator means said resilient elastic means urges said annular members to the axially abutting relation permitting rotation of said annular elements as a unit relative to the threaded element. |
| Claim: | 4. A lock nut assembly adapted to be locked on a threaded element comprising at least a pair of coaxially oriented annular nut members having threads formed on their peripheral surfaces complementing and cooperable with the threaded element, resilient elastic means connecting said annular members and normally maintaining them in abutting relation at their axial end faces, including said elastic resilient means connecting said nut members comprising an elastic rubber ring tightly seated in a groove formed in the outer periphery of said nut members adjacent confronting axial end faces of said nut members, said elastic resilient means permitting limited axial displacement of said annular members and restricting relative rotation thereof, and normally permitting free rotation of said annular members as a unit relative to the threaded element and screw actuator means for displacing said annular members axially relative to one another thereby to lock said annular members to the threaded element and wherein upon release of said actuator means said resilient elastic means urges said annular members to the axially abutting relation permitting rotation of said annular elements as a unit relative to the threaded element. |
| Claim: | 5. A lock nut assembly adapted to be locked on a threaded element comprising at least a pair of coaxially oriented annular nut members having threads formed on their peripheral surfaces complementing and cooperable with the threaded element, resilient elastic means connecting said annular members and normally maintaining them in abutting relation at their axial end faces, said elastic resilient means permitting limited axial displacement of said annular members and restricting relative rotation thereof, and normally permitting free rotation of said annular members as a unit relative to the threaded element and screw actuator means for displacing said annular members axially relative to one another thereby to lock said annular members to the threaded element and wherein upon release of said actuator means said resilient elastic means urges said annular members to the axially abutting relation permitting rotation of said annular elements as a unit relative to the threaded element, one of said nut members having a circumferentially extending flange projecting from one axial end face forming a pocket for the other nut member and means for at least one complementary semi-cylindrical bore in the inner peripheral surface of said flange and outer peripheral surface of said other nut member for a pin made of a resilient elastic material providing an individual continuous envelope surface for the lock nut assembly. |
| Claim: | 6. A lock nut assembly adapted to be locked on a threaded element comprising at least a pair of coaxially oriented annular nut members having threads formed on their peripheral surfaces complementing and cooperable with the threaded element, resilient elastic means connecting said annular members and normally maintaining them in abutting relation at their axial end faces with a predetermined prestressing force, said elastic resilient means permitting limited axial displacement of said annular members and restricting relative rotation thereof, and normally permitting free rotation of said annular members as a unit relative to the threaded element and screw actuator means for displacing said annular members axially relative to one another thereby to lock said annular members to the threaded element and wherein upon release of said actuator means said resilient elastic means urges said annular members to the axially abutting relation permitting rotation of said annular elements as a unit relative to the threaded element. |
| Claim: | 7. A lock nut assembly as claimed in claim 6 wherein said connecting means comprises at least one plug member snugly engaging in axially aligned openings in the nut members maintaining the nut members in side-by-side contacting array with a predetermined elastic prestress. |
| Claim: | 8. A lock nut assembly as claimed in claim 2, wherein the threads are formed on the internal bore of the nut members. |
| Claim: | 9. A lock nut assembly as claimed in claim 2, wherein the threads are formed on the outer peripheral surface of said nut members. |
| Current U.S. Class: | 411/230; 411/291; 411/433; 411/936 |
| Current International Class: | F16B 3928 |
| Patent References Cited: | 171898 January 1876 Wiles 518474 April 1894 Wallace 1850917 March 1932 Browne 3038366 June 1962 Hindman |
| Primary Examiner: | Wolfe, Robert L. |
| Assistant Examiner: | Wilson, Neill |
| Attorney, Agent or Firm: | Renz, Jr., Eugene E. |
| رقم الانضمام: | edspgr.04557652 |
| قاعدة البيانات: | USPTO Patent Grants |
| الوصف غير متاح. |