Foldable safety handrail assembly
AssigneeYo Yuh Inst. Co., Ltd.
InventorYong-Hao Lin
Life of this patent
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Abstract
A foldable safety handrail assembly includes a mounting bracket, a fixing sleeve mounted on the mounting bracket, a release sleeve mounted on the mounting bracket and having a release groove, a rail having a pivot tube which has a first locking groove and a second locking groove, a locking tube extending through the fixing sleeve, the pivot tube and the release sleeve and having a limit slot, a locking member mounted in the limit slot and detachably locked in the first locking groove or the second locking groove, a control member mounted in the locking tube to move the locking member, and a push knob mounted on and pushing the control member. Thus, the user only needs to push the push knob to unlock and fold the rail so that the rail can be unlocked and folded easily and quickly.
Claims10
A foldable safety handrail assembly, comprising:
- a mounting bracket;
- a fixing sleeve mounted on the mounting bracket;
- a release sleeve mounted on the mounting bracket and having a periphery provided with a release groove;
- a rail pivotally connected with the mounting bracket and having a side provided with a pivot tube which is pivotally mounted between the fixing sleeve and the release sleeve and has a periphery provided with a first locking groove and a second locking groove;
- a locking tube extending through the fixing sleeve, the pivot tube and the release sleeve and having a periphery provided with an elongate limit slot;
- a locking member slidably mounted in the limit slot of the locking tube and detachably locked in the first locking groove or the second locking groove of the pivot tube to releasably lock the pivot tube onto the locking tube;
- a control member movably mounted in the locking tube and connected with the locking member to move the locking member;
- and
- an elastic member mounted in the locking tube and biased between the control member and the release sleeve to push the locking member toward the first locking groove or the second locking groove of the pivot tube;
- wherein the control member has a first end provided with an enlarged driving head connected with the locking member to move the locking member and a second end provided with a push portion protruding outward from the locking tube.
Dependencies are inferred from the claim text.