Umbrella Having A Detachable Structure

Abstract

An umbrella includes a shank, a fixed ring mounted on the shank, a movable ring mounted on the shank, a plurality of connecting members pivotally connected with the fixed ring and the movable ring, a plurality of locking mechanisms each mounted in the respective connecting member, a plurality of ribs each detachably mounted on the respective connecting member on the fixed ring and each releasably locked onto the respective locking mechanism, and a plurality of spreaders each detachably mounted on the respective connecting member on the movable ring and each releasably locked onto the respective locking mechanism. Thus, each of the spreaders and the ribs can be detached from the respective connecting member easily and quickly by operation of each of the locking mechanisms.

1 . An umbrella, comprising:
 a shank;   a fixed ring mounted on the shank;   a movable ring movably mounted on the shank;   a plurality of connecting members pivotally connected with the fixed ring and the movable ring;   a plurality of locking mechanisms each movably and retractably mounted in a respective one of the connecting members;   a plurality of ribs each detachably mounted on a respective one of the connecting members on the fixed ring and each releasably locked onto a respective one of the locking mechanisms;   a plurality of spreaders each detachably mounted on a respective one of the connecting members on the movable ring and each releasably locked onto a respective one of the locking mechanisms;   a plurality of arcuate support cables mounted on the fixed ring and the movable ring and each detachably connected with a respective one of the connecting members; wherein   each of the connecting members is provided with a receiving chamber to receive a respective one of the locking mechanisms;   the fixed ring has a periphery provided with a plurality of receiving grooves to pivotally receive the connecting members and to receive the support cables;   the movable ring has a periphery with a plurality of receiving grooves to pivotally receive the connecting members and to receive the support cables;   each of the connecting members has an end portion provided with an oblique retaining slot detachably mounted on a respective one of the support cables so that each of the connecting members is pivotally and detachably mounted on the respective support cable;   each of the spreaders and the ribs has an end portion provided with a positioning opening detachably positioned on a respective one of the support cables;   the positioning opening of each of the spreaders and the ribs aligns with the retaining slot of the respective connecting member.   
   
   
       2 . (canceled) 
   
   
       3 . The umbrella of  claim 1 , wherein
 the receiving chamber of each of the connecting members extends through a whole thickness of each of the connecting members;   each of the spreaders and the ribs has a side provided with at least one locking hole;   each of the locking mechanisms includes:   at least one locking stub movably mounted in the receiving chamber of the respective connecting member and detachably locked in the locking hole of the respective spreader and the respective rib to detachably lock the respective spreader and the respective rib onto the respective connecting member;   at least one elastic member mounted in the receiving chamber of the respective connecting member and pressing the locking stub to push the locking stub outwardly from the locking hole of the respective spreader and the respective rib.   
   
   
       4 . The umbrella of  claim 3 , wherein the locking stub of each of the locking mechanisms has a first end provided with an enlarged limit plate movably mounted in the receiving chamber of the respective connecting member and movable to abut an inner wall of the respective spreader and the respective rib to limit the locking stub of each of the locking mechanisms on the respective spreader and the respective rib. 
   
   
       5 . The umbrella of  claim 4 , wherein the locking stub of each of the locking mechanisms has a second end provided with an arcuate guide portion to guide movement of the locking stub in the locking hole of the respective spreader and the respective rib. 
   
   
       6 . The umbrella of  claim 3 , wherein each of the locking mechanisms further includes:
 at least one housing secured in the receiving chamber of the respective connecting member to receive the locking stub and the elastic member;   a fixing plate secured in the housing and abutting the elastic member.   
   
   
       7 . The umbrella of  claim 6 , wherein the elastic member of each of the locking mechanisms is biased between the fixing plate and the limit plate of the locking stub. 
   
   
       8 - 12 . (canceled) 
   
   
       13 . The umbrella of  claim 3 , wherein each of the spreaders and the ribs has an inner portion provided with a receiving hole connected to the locking hole and the positioning opening to fully receive the respective connecting member. 
   
   
       14 . The umbrella of  claim 1 , wherein each of the ribs is attached to the fixed ring by the respective connecting member. 
   
   
       15 . The umbrella of  claim 1 , wherein each of the ribs is pivotally connected with a respective one of the spreaders. 
   
   
       16 . The umbrella of  claim 1 , wherein each of the spreaders is attached to the movable ring by the respective connecting member. 
   
   
       17 . The umbrella of  claim 3 , wherein when the locking stub of each of the locking mechanisms is retractable into the locking hole of the respective spreader and the respective rib, the arcuate guide portion of the locking stub is movable to abut an inner wall of the respective spreader and the respective rib, so that the locking stub of each of the locking mechanisms is unlockable from the locking hole of the respective spreader and the respective rib, and each of the connecting members is unlockable from the respective spreader and the respective rib. 
   
   
       18 . The umbrella of  claim 17 , wherein when each of the spreaders and the ribs is pulled outwardly relative to the respective connecting member, the locking stub of each of the locking mechanisms is detachable from the locking hole of the respective spreader and the respective rib by guidance of the arcuate guide portion of the locking stub and is retractable into and movable in the receiving hole of the respective spreader and the respective rib, so that each of the spreaders and the ribs is movable outwardly relative to the respective connecting member. 
   
   
       19 . The umbrella of  claim 1 , wherein each of the connecting members is fully received and hidden in the respective rib and the respective spreader. 
   
   
       20 . The umbrella of  claim 1 , wherein
 the positioning opening of each of the spreaders and the ribs has an elongate shape;   the positioning opening of each of the spreaders and the ribs extends in a longitudinal direction of each of the spreaders and the ribs;   the positioning opening of each of the spreaders and the ribs is directed toward the respective support cable.