Abstract A door handle of the kind comprising a square bolt extending through the lock and the door has a sleeve-like inner section of the handle stem fastened on a protruding end of the bolt. The inner end of the sleeve-like section is exteriorly threaded for screw-threaded engagement with a locking sleeve. The locking sleeve has an inwardly directed flange at its inner end and an outer head suitable for engagement with a tool for turning of the locking sleeve. The sleeve-like inner section of the stem has an enlarged section at its inner end, in which is located an annular element having a sloped or chamfered end surface for cooperation with the flange of the locking sleeve such that the inner edge of the flange will be forced against the sloping end surface of the annular element to clamp the element into locking engagement with the square bolt when the locking sleeve is tightened on the inner end of the sleeve-like section of the stem. The annular element preferably is in the form of a cylindrical member having both end surfaces chamfered or sloped.
In a door handle of the kind comprising a square bolt extending through the lock and the door and on at least one of whose protruding ends is fastened a sleeve-like inner section of the stem of the door handle, and wherein the inner end of said sleeve-like section is threaded on the outside for engagement with a locking sleeve screwed onto said inner section, the inner section of the locking sleeve having an inwardly directed flange and the outer section having a head suitable for engagement with a tool for turning of the locking sleeve, the improvement wherein the bore of the sleeve-like inner section in its inner end has an enlarged section in which is located an annular element whose inner end surface is chamfered for cooperation with said flange of the locking sleeve such that the inner edge of the flange will be forced against the sloping end surface of the annular element and clamp the element into locking friction engagement with the square bolt when the locking sleeve is tightened on the inner end of said sleeve-like section.
Claim 2
Dependent Claim
182 words
In a door handle of the kind comprising a square bolt extending through the lock and the door and on at least one of whose protruding ends is fastened a sleeve-like inner section of the stem of the door handle, and wherein the inner end of said sleeve-like section is threaded on the outside for engagement with a locking sleeve screwed onto said inner section, the inner section of the locking sleeve having an inwardly directed flange and the outer section having a head suitable for engagement with a tool for turning of the locking sleeve, the improvement wherein the bore of the sleeve-like inner section in its inner end has an enlarged section in which is located an annular element whose inner end surface is chamfered for cooperation with said flange of the locking sleeve such that the inner edge of the flange will be forced against the sloping end surface of the annular element and clamp the element into locking friction engagement with the square bolt when the locking sleeve is tightened on the inner end of said sleeve-like section.
Claim 3
Dependent Claim
18 words
A device in accordance with claim 1 wherein the end section of the square bolt has rounded edges.
Claim 4
Dependent Claim
26 words
A device as claimed in claim 1 wherein said annular element comprises a circular cylindrical piece of pipe which at both ends has sloping end surfaces.