as shown in fig1 the multi - purpose cap clip of the present invention in a first embodiment has a clip unit 10 to be fastened to a brim 21 of a cap 20 , as shown in fig3 a - 3 d . the clip unit 10 comprises : a base plate 11 , which is a rectangular plate ; a fixing plate 12 , extending away from the base plate 11 from a middle part thereof in a rearward direction ; and two clasping plates 13 , extending rearward from two ends of the base plate 11 . the fixing plate 12 , the base plate 11 and the two clasping plates 13 lie in a common plane or in different planes . as shown in fig3 a - 3 d , the fixing plate 12 and the two clasping plates 13 of the clip unit 10 clasp upper and lower sides of the brim 21 of the cap 20 . since the fixing plate 12 and the two clasping plates 13 are elastic , the clip unit 10 is held tight on the brim 21 . the present invention further has a holding device 15 for fastening an accessory object 30 on the clip unit 10 . referring again to fig1 for keeping the clip unit 10 on the brim 21 with an increased holding force , the two clasping plates 13 have several teeth 14 on a surface thereof that contacts the brim 21 . thus holding friction between the two clasping plates 13 and the brim 21 is increased . referring to fig2 a to 2 c , the present invention is able to hold various accessory objects 30 . as shown in fig2 a , the accessory object 30 is a flag with a lower end which is attached to a holding base 31 . the holding base 31 is held by the holding device 15 of the clip unit 10 . as shown in fig1 in the first embodiment of the present invention , the holding unit 15 comprises two curved elastic plates 16 , attached to the fixing plate 12 on an upper side thereof . a gap is left between the two elastic plates 16 and the fixing plate 12 , forming the holding device 15 and allowing to insert the holding base 31 . the holding base 31 of the accessory object 30 is formed like the inverted letter t and is easily inserted into the holding device 15 , so that the accessory object 30 is mounted on the clip unit 10 . [ 0019 ] fig2 b and 2c show further variations of accessory objects . as shown in fig2 b , an accessory object 30 a is used which is a toy wind wheel 31 a set on a holding base 32 a . as shown in fig2 b , an accessory object 30 b is used which is a pair of sunglasses 31 b , to which a central holding element 32 b is attached . fig3 a - 3 d show various ways of mounting the accessory object 30 on the clip unit 10 . depending on the kind of accessory object used , the holding device 15 is placed on the upper side or the lower side of the brim 21 , then the accessory object is put on the holding device 15 . as shown in fig3 a and 3b , with the accessory object 30 , 30 a being a flag and a toy wind wheel , respectively , the holding device 15 is placed on the upper side of the brim 21 . on the other hand , as shown in fig3 c and 3d , with the accessory object 30 b being a pair of sunglasses , the holding device 15 is placed on the lower side of the brim 21 . then the holding element 32 b is inserted into the holding device 15 , allowing to adjust a tilting angle of the sunglasses 31 b . referring to fig1 a - 1 c , the holding device 15 has several variations . therein , as shown in fig1 a , a holding device 15 a is used which is a single curved elastic plate 16 a , attached to a fixing plate 12 a at a central position thereof . alternatively , as shown in fig1 a , a holding device 15 b is used which is a single curved elastic plate 16 a , attached to a fixing plate 12 b at an asymmetric lateral position thereof . finally , as shown in fig1 c , a holding device 15 c is used which is a circular hole in a fixing plate 12 c . the present invention allows a user to mount any of various accessory objects on the cap 20 , serving multiple purposes . the same cap carries a flag , sunglasses or another object without any need of modification . referring now to fig4 and 5 , the present invention in a second embodiment comprises a clip unit 40 , a pair of sunglasses 50 ; and a movable seat 60 . the clip unit 40 further comprises : a base plate 41 , which is a rectangular plate ; a fixing plate 42 , extending away from the base plate 41 from a middle part thereof in a rearward direction ; two clasping plates 43 , extending rearward from two ends of the base plate 41 and , together with the fixing plate 42 , clasping the brim 21 of the cap 20 . the movable seat 60 is mounted on the fixing plate 42 and movable thereon , carrying the sunglasses 50 , allowing to position the sunglasses 50 on the fixing plate 42 . the fixing plate has a central opening 45 , taking in the movable seat 60 . as shown in fig4 and 5 , the movable seat 60 has a main body 61 with a lower side which carries an elastic hook 62 . when the movable seat is mounted on the fixing plate 42 , the elastic hook 62 reaches through the opening 45 to a location below the fixing plate 42 . the sunglasses 50 , at a top edge thereof in a central position , have a holding rod 51 . the holding rod 51 is inserted in the elastic hook 62 , so that the sunglasses 50 are held on the fixing plate 42 . for adjusting a tilting angle of the sunglasses 50 , the main body 61 of the movable seat 60 on two ends thereof has positioning projections 64 , and the two ends of the holding rod 51 each carry a cog 52 . the positioning projections 64 and the cogs 52 engage , holding the sunglasses 50 at a fixed tilting angle . the present invention in the second embodiment serves to hold a pair of sunglasses on a cap . the main characteristic thereof is that the sunglasses 50 have an adjustable distance from the eyes of a user , adjusted by moving the movable seat 60 on the fixing plate 42 . with the positioning projections 64 and the cogs 52 mutually engaging in various positions , the tilting angle of the sunglasses 50 is conveniently adjusted . as the above explanation shows , the multi - purpose cap clip of the present invention has a simple structure and is inexpensive , allowing to mount any kind of accessory objects on a cap with a brim at low cost and in an economical way . the present invention is combinable with various accessory objects . any manufacturer producing accessory objects for caps only needs to provide a holding element on each accessory object that fits into the holding device 15 of the clip unit 10 , so as to connect the accessory object with the multi - purpose cap clip of the present invention . thus caps serve multiple additional functions . furthermore , the multi - purpose cap clip of the present invention is suitable for all caps without any need of modifications . therefore , a manufacturer of accessory objects does not need to produce further , specialized caps . while the invention has been described with reference to preferred embodiments thereof , it is to be understood that modifications or variations may be easily made without departing from the spirit of this invention which is defined by the appended claims .
a multi - purpose cap clip , comprising a clip unit , a holding device , and an accessory object . the clip unit has a fixing plate and two clasping plates to two sides of the fixing plate , with the fixing plate and the two clasping plates clasping a brim of a cap . the accessory object has a holding element which fits on the holding device and is held thereby . after assembly of the structural parts , the clip unit fastens the accessory object on the brim of the cap .