Detachable water scooter assembly

A detachable water scooter assembly comprises an engine compartment with a bill-shaped front hull, an engine in the engine compartment, a central axle connected to the engine, a driving assembly, a handle bar assembly, two air chambers, a plenum chamber, and at least two securing belts. The driving assembly comprises a shaft, a universal joint, a driven axle, a propeller screw, and a rudder. The handle bar assembly comprises a steering bar, a fixed plate, and a plurality of bolts. The shaft has a plurality of holes on its periphery.

FIELD OF THE INVENTION 
The present invention relates to a detachable water scooter assembly which 
comprises an engine compartment with a bill-shaped hull, a driving 
assembly, a handle bar assembly, two air chambers, and a plenum chamber. 
BACKGROUND OF THE PRESENT INVENTION 
Please referring to FIG. 1, a conventional jet ski comprises a hull 1, a 
seat 2, and a handle bar assembly 3. The front portion of the hull 1 
provides an engine compartment 4. The hull 1 is generally made of fiber 
glass. Since the conventional jet ski it not detachable, it is cumbersome 
to store or to transport. 
OBJECT OF THE PRESENT INVENTION 
The principal object of the present invention is to provide a detachable 
water scooter assembly which is detachable for convenient storage and 
transportation. 
Accordingly, a detachable water scooter assembly comprises an engine 
compartment with a bill-shaped front hull, two conical holes and a 
circular hole which are located at the rear end of the engine compartment 
respectively, an engine which is located in the engine compartment, a 
central axle which is connected to the engine and passed through the 
circular hole, a driving assembly, a handle bar assembly, two air 
chambers, a plenum chamber, and at least two securing belts. The driving 
assembly comprises a shaft, a universal joint, a driven axle, a propeller 
screw, and a rudder. The handle bar assembly comprises a steering bar, a 
fixed plate, and a plurality of bolts. One end of the universal joint is 
connected to the central axle and the other end of the universal joint is 
connected to the driven axle. One end of the shaft is inserted in the 
circular hole and the other end of the shaft is connected to the rudder. A 
handle bar assembly is located on the rear top portion of the engine 
compartment. The rudder and the handle bar assembly is connected by two 
parallel cords respectively. Two air chambers are inserted in two conical 
holes respectively. The plenum chamber is disposed on the upper portion of 
each of the two air chambers respectively. The pipe is disposed at the 
lower portion of each of the two air chambers respectively. The plenum 
chamber, two air chambers, and the shaft are bound together tightly by at 
least two securing belts.

DESCRIPTION OF THE PREFERRED EMBODIMENT 
Please referring to FIG. 2, a detachable water scooter assembly comprises 
an engine compartment 10, a handle bar assembly 20, a driven assembly 30, 
two air chambers 40, a plenum chamber 50, two securing belts 60, and two 
securing ropes 70. Referring to FIGS. 3 to 5, the handle bar assembly 20 
comprises a steering bar 21, a fixed plate 22, and a plurality of bolts 
221. The driving assembly 30 comprises a shaft 31, a universal joint 32, a 
driven axle 33, a propeller screw 34, a support seat 35, and a rudder 36. 
The front hull 11 of the engine compartment is in a bill shape. Two 
conical holes 12 and a circular hole 13 are positioned at the rear end of 
the engine compartment 10 respectively. An engine, not shown in the 
figures, is located in the engine compartment 10. A central axle 14 which 
passes through the circular hole 13 is connected to the engine. Two 
semicircular securers 15 are mounted at the two sides of the engine 
compartment 10 respectively. A rotatable plate 16 with a plurality of bolt 
holes 161 is positioned on the rear top portion of the engine compartment 
10. The fixed plate 22 with a plurality of bolt holes 221 is secured on 
the top of the rotatable plate 16 by a plurality of bolts 222. Two cords 
201 which are connected to the handle bar assembly 20 are moved by the 
steering bar 21. Two deflated air chambers 40 are inserted in the two 
conical holes 12 respectively. An air compressor (not shown in the 
figures) which is located in the engine compartment 10 can compress air 
into two air chambers 40 and the plenum chamber 50 via each air inlet 
401,501 on each chamber 40, 50 respectively. Thus the air chambers 40 are 
fixedly secured in the conical holes 12 respectively. Referring to FIG. 6, 
the plenum chamber 50 is disposed on the upper portion of each of the air 
chambers 40 respectively. The pipe 31 is disposed at the lower portion of 
each of the air chambers 40 respectively. The plenum chamber 50, shaft 31, 
and two air chambers 40 are bound together tightly by at least two 
securing belts 60 respectively. Thus the user can sit on the top of the 
plenum chamber 50. One side of each air chamber 40 has a semicircular 
securer 402 respectively. Now referring to FIG. 3, two parallel securing 
ropes 70 can pass through the two semicircular securers 402 and 15 
respectively in order to connect the air chambers 40 and the engine 
compartment 10 securely. Each of the two securing ropes 70 is fixedly 
secured by the two securing belts 60 respectively in order to avoid the 
looseness of the securing ropes 70 and the securing belts 60. A plurality 
of holes 311 are positioned on the periphery of the shaft 31. Referring to 
FIGS. 3 and 5, one end of the universal joint 32 is connected to the 
central axle 14 and the other end of the universal joint 32 is connected 
to the driven axle 33. A support brace 35 is fixedly secured in the rear 
portion of the shaft 31 by a plurality of bolts 351. The propeller screw 
34 which is connected by the driven axle 33 is located in the end portion 
of the shaft 31. The rudder 36 is connected to the end portion of the 
shaft 31 by two bolts 361. Since one end of each of the two cords 201 is 
movably connected to the rudder 36 respectively, the rudder 36 can be 
turned by the rotation of the steering bar 21. When the propeller screw 34 
is driven by the engine, water can flow into the shaft 31 via a plurality 
of holes 311 and flow out of the shaft 31 via the rudder 36. 
According to the present invention, the plenum chamber 50 and air chambers 
40 are made of plastics or rubbers. Thus the deflated chambers 50 and 40 
may be folded for storage. Most parts of the detachable water scooter 
assembly can be detached except the engine compartment 10. Thus the 
detached parts of the detachable water scooter assembly can be 
transported, stored, or repaired conveniently.