Claims
- 1. A door handle adapted to contain a key-operated lock mechanism comprising
- a hollow body having a neck adapted to be mounted on a knob sleeve or the like and having an outward-extending body shell terminating at a circular end face surrounding a circular body opening,
- an outer shell telescopically received over said body shell, fixed thereto, and having an end flange defining a circular opening, said flange being axially spaced from said end face of the body shell and defining therewith an inward-opening circumferential groove,
- means for rigidly interconnecting the body shell and the outer shell,
- an end closure member rotatably received within the end opening formed by said rigidly interconnected shells and containing or adapted to contain key-operated lock mechanism, and
- means engaged in said inward-opening circumferential groove for securing said end closure member in axially fixed rotatable relation with said assembled rigidly interconnected shells.
- 2. A door handle as in claim 1 in which said closure member contains a groove in registry with said inward-opening circumferential groove, and said means for securing said closure member comprises a buried ring engaged in both such grooves.
- 3. A door handle as in claim 1 in which said means for securing said closure member comprises a flange intergral with said closure member and received in said circumferential groove between the end face of the body shell and the flange of the outer shell.
- 4. A door handle as in claim 1 in which said outer shell carries a projecting handle lever.
- 5. A door handle as in claim 2 in which said outer shell carries a projecting handle lever.
- 6. Door lock mechanism comprising a door handle as in claim 4 in combination with a cylindrical knob sleeve on which the handle body is rotatably mounted, and
- drive connection means between the knob sleeve and the handle, including a driver mounted transversely in the knob sleeve and having a drive lug projecting radially from the knob sleeve and engaged in an inward-opening recess in the handle,
- said connection being releasable in response to a predetermined leverage applied to the handle lever so as to release the handle from driving relation with the knob sleeve if excessive torque is applied to the drive connection.
- 7. Door lock mechanism as in claim 6 in which said drive lug and handle recess are positively engaged and said drive lug is formed with a weak section adapted to shear under conditions of excessive torque.
- 8. Door lock mechanism as in claim 7 in which said driver is mounted in a transverse opening in the knob sleeve and blocked from retraction by a surrounding section of the handle, the handle being removable and the driver being removable from the knob sleeve and replaceable when the handle is removed from such sleeve.
- 9. Door lock mechanism as in claim 6 in which said drive connection means is engageable in a single orientation of the handle relative to the knob sleeve so as to position the lever handle in a predetermined orientation relative to the lock bolt and thereby to the door in either a right- or left-hand installation, the end closure member having a non-circular opening adapted to receive a removable key-operated core or the like in a single orientation and said end closure member being rotatable to opposite orientations so as to position the core in a predetermined orientation relative to the door in either hand installation of the door lock mechanism.
- 10. A door handle comprising
- a hollow body having a neck adapted to be mounted on a knob sleeve or the like and having an outward-extending cylindrical body shell terminating at a circular end face surrounding a circular body opening,
- an outer shell telescopically received over said body shell, fixed thereto, and having a radil end flange defining a circular opening, said flange extending inward in axially spaced relation with the end face of the body shell and defining therewith an inward-opening circumferential groove,
- means for rigidly interconnecting the body shell and the outer shell,
- an end closure member received within the end opening o said outer shell, and
- means engaged in said inward-opening circumferential groove for securing said end closure member in assembly said assembled rigidly interconnected shells.
- 11. A door handle as in claim 10 in which said closure member contains a groove in registry with said inward-opening circumferential groove, and said means for securing said closure member comprises a buried ring engaged in both such grooves.
- 12. A door handle as in claim 10 in which said means for securing said closure member comprises a flange integral with said closure member and received in said circumferential groove between the end face of the body shell and the flange of the outer shell.
- 13. A door handle as in claim 10 in which said end closure member is secured in rotatable relation with said assembled shells.
- 14. A door handle for use on a knob sleeve and adapted to contain a lock mechanism, the door handle comprising
- a hollow body having a neck adapted to be mounted on the knob sleeve and having an outwardly-extending body shell terminating at an end face, the body shell being formed to include an opening for the reception of an end closure member and the lock mechanism, the body shell opening being defined by the end face, the body shell including a first radially-inwardly facing surface in proximity to the end face,
- an outer shell telescopically received over said body shell, fixed thereto, and having an end flange, the outer shell being formed to include an opening for the reception of the end closure member and the lock mechanism, the outer shell opening being defined by the end flange, the outer shell including a second radially-inwardly facing surface, the end flange of the outer shell and the end face of the body shell being in axially spaced relation to define therebetween an inwardly-opening circumferential groove for the reception of closure member securing means,
- an end closure member for receiving the lock mechanism, the end closure member being rotatably received in the end opening formed by the shells, the end closure member including a radially-outwardly facing surface in bearing engagement with both the first and second radially-inwardly facing surfaces of the two shells, and
- means, engaged in said inwardly-opening circumferential groove, for securing the end closure member in axially fixed relation with the assembled shells.
- 15. The door handle of claim 14, wherein the radially-outwardly facing surface of the end closure member includes an axially-inward portion in bearing engagement with the first radially-inwardly facing surface of the body shell when the end closure member is secured in its received position, and an axially-outward portion in bearing engagement with the second radially-inwardly facing surface of the outer shell when the end closure member is secured in its received position.
- 16. The door handle of claim 15, wherein the end closure member is formed to include an outwardly-opening circumferential groove that is registrable with the inwardly-opening circumferential groove defined by the body shell and the outer shell, the outwardly-opening circumferential groove of the end closure member being formed intermediate the axially inward and outward portions of the radially-outwardly facing surface.
- 17. The door handle of claim 15, wherein the end closure member is formed to include an outwardly-extending circumferential flange that is engageable with the inwardly-opening circumferential groove defined by the body shell and the outer shell, the outwardly-extending flange being formed intermediate the axially inward and outward portions of the radially-outwardly facing surface.
- 18. A door lock mechanism having a door handle adapted to contain a key-operated lock mechanism comprising
- a hollow body having a neck adapted to be mounted on a knob sleeve or the like and having an outward-extending body shell terminating at a circular end face surrounding a circular body opening,
- an outer shell telescopically received over said body shell, fixed thereto, and having an end flange defining a circular opening, said flange being axially spaced from said end face of the body shell and defining therewith an inward-opening circumferential groove, the outer shell carrying a projecting handle lever,
- an end closure member for receiving the key-operated lock mechanism, the end closure member being rotatably received within the end opening formed by said shells,
- means engaged in said inward-opening circumferential groove for securing said end closure member in axially fixed rotatable relation with said assembled shells,
- a cylindrical knob sleeve on which the handle body is rotatably mounted, and
- drive connection means between the knob sleeve and the handle, the drive connection means including a driver mounted transversely in the knob sleeve and a drive lug projecting radially from the knob sleeve and engaged in an inward-opening recess in the handle,
- said connection being releasable in response to a predetermined leverage applied to the handle lever so as to release the handle from driving relation with the knob sleeve if excessive torque is applied to the drive connection, and wherein
- the driver is yieldingly biased to a driving position and retractable to a release position and the drive lug and handle recess are formed to cam the driver to release position under conditions of excessive torque.
- 19. A door handle as in claim 18 in which said closure member contains a groove in registry with said inward-opening circumferential groove and said means for securing said closure member comprises a buried ring engaged in both such grooves.
- 20. A door handle as in claim 18 in which said means for securing said closure member comprises a flange integral with said closure member and received in said circumferential groove between the end face of the body shell and the flange of the outer shell.
- 21. A handle assembly for operating a lock mechanism in a door, the handle assembly comprising
- sleeve means for actuating the door lock mechanism,
- a hollow body having a neck adapted to be mounted on the sleeve means and an outward-extending body shell terminating at an end face, the body shell being formed to include an end opening for the reception of an end closure member,
- an outer shell telescopically received over said body shell, fixed thereto, and having an end flange and a projecting handle lever, the outer shell being formed to include an end opening for the reception of an end closure member, the outer shell opening being defined by the end flange, the end flange of the outer shell and the end face of the body shell being in axially spaced relation to define therebetween an inwardly-opening circumferential groove for the reception of closure member securing means,
- an end closure member for receiving a lock core, the end closure member being rotatably received within the end openings formed by the assembled shells,
- means, engaged in said inwardly-opening circumferential groove, for securing the end closure member in axially fixed relation within the assembled shells, and
- drive means for providing a releasable operating connection between the hollow body and the sleeve means, the drive means being releasable in response to a predetermined leverage applied to the handle lever so as to release the handle from driving relation with the sleeve means if excessive torque is applied to the drive connection.
Parent Case Info
This application is a continuation-in-part of our co-pending application Ser. No. 06/270,825, filed June 5, 1981, which was a continuation-in-part of application Ser. No. 06/136,746, filed Apr. 2, 1980, and now abandoned.
US Referenced Citations (10)
Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
270825 |
Jun 1981 |
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Parent |
136746 |
Apr 1980 |
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