GB2514366A - Frame apparatus for lightweight rollator - Google Patents
Frame apparatus for lightweight rollator Download PDFInfo
- Publication number
- GB2514366A GB2514366A GB1309108.7A GB201309108A GB2514366A GB 2514366 A GB2514366 A GB 2514366A GB 201309108 A GB201309108 A GB 201309108A GB 2514366 A GB2514366 A GB 2514366A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frame
- base
- positioning
- mounting
- slab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/023—Tricycles specially adapted for disabled riders, e.g. personal mobility type vehicles with three wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/023—Tricycles specially adapted for disabled riders, e.g. personal mobility type vehicles with three wheels
- B62K5/025—Tricycles specially adapted for disabled riders, e.g. personal mobility type vehicles with three wheels power-driven
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K2015/005—Collapsible or foldable cycles having additional wheels for use when folded or collapsed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
A frame apparatus for a lightweight rollator has a front frame 10 and a rear frame 20. The front frame 10 has a base 11 and a handle frame 12. The base 11 has two connecting tabs 13, two locking elements 14 and a mounting frame 15. The handle frame 12 is rotatably connected to the base 11 and has a front wheel 121 and two connecting arms 122. The connecting arms 122 are formed on and protrude from the handle frame 12 and are pivotally connected to the base 11 between the connecting tabs 13. The rear frame 20 is connected to the front frame 10 and has a bottom mount 21, two rear wheels 22 and at least one driving motor 23. The bottom mount 21 is connected to the mounting frame 15 and has a guiding rod 24 and an engaging shaft 25. The rear wheels 22 are rotatably connected to the bottom mount 21. The at least one driving motor 23 is mounted on the bottom mount 21 and is connected to the rear wheels 22. The frame may also include an auxiliary wheel frame 30 adapted to removably mount auxiliary wheels (35, figure 4A).
Description
1 FRAME APPARATUS FOR LIGHTWEIGHT ROIJLATOR
2 BACKGROUND OF THE INVENTION
3 1. Field of the Invention
4 The present invention relates to a frame apparatus, and more particularly S to a frame apparatus for a lightweight rollator; the frame apparatus can be 6 assembled easily, can be transported conveniently and can be moved freely in a 7 limited indoor space.
8 2. Description of Related Art
9 Many elderly people or patients may need mobility aids, and a conventional rollator can be used to provide a transporting effect to the elderly or 11 the patients. The conventional rollator has a frame apparatus, a seat and a power 12 device. The seat is mounted on the frame apparatus. The power device is 13 mounted on the frame apparatus to provide a power to the frame apparatus. Then, 14 the elderly or the patients can move around with the aid of the conventional rollator.
16 1-lowever, the structure of the conventional rollator is bulky, and the 17 conventional roliator cannot be moved freely in a narrow space. Consequently, 18 the elderly or the patients cannot move directly from the bed to the conventional 19 rollator and this is inconvenient in use. In addition, since the structure of the conventional rollator is bulky, a large space is required to store the conventional 21 rollator. Furthermore, the conventional rollator cannot be folded and this is 22 laborious and inconvenient in fransportation.
23 To overcome the shortcomings, the present invention provides a frame 24 apparatus for a lightweight rollator to mitigate or obviate the aforementioned 1 problems.
2 SUMMARY OF THE INVENTION
3 The i±iain objective of the present invention is to provide a frame 4 apparatus for a lightweight rollator; the frame apparatus can be assembled easily, can be transported conveniently and can be moved freely in a limited indoor 6 space.
7 The frame apparatus for a lightweight rollator in accordance with the 8 present invention has a front frame and a rear frame. The front frame has a base 9 and a handle frame. The base has two connecting tabs, two locking elements and a mounting frame. The handle frame is rotatably connected to the base and has a 11 front wheel and two connecting arms. The connecting arms are formed on and 12 protrude from the handle frame and are pivotally connected to the base between 13 the connecting tabs. The rear frame is connected to the front frame and has a 14 bottom mount, two rear wheels and at least one driving motor. The bottom mount is connected to the mounting frame and has a guiding rod and an engaging shaft.
16 The rear wheels are rotatably connected to the bottom mount. The at least one 17 driving motor is mounted on the bottom mount and is connected to the rear 18 wheels.
19 Other objectives, advantages and novel features of the invention will become more apparent from the following detailed description, when taken in 21 conjunction with the accompanying drawings.
22 BRIEF DESCMPTION OF THE DRAWINGS 23 Fig. 1 is a perspective view of a frame apparatus for a lightweight 24 rollator in accordance with the present invention; 1 Fig. 2 is an enlarged side view in partial section of the frame apparatus iii 2 Fig.l; 3 Fig. 3 is an exploded perspective view of the frame apparatus in Fig. 1; 4 Fig. 4A is another exploded perspective view of the frame apparatus in Fig.1; 6 Fig. 4B is an enlarged perspective view of the frame apparatus in Fig. 7 4A; 8 Fig. 5 is an enlarged perspective view of an auxiliary wheel shaft of the 9 frame apparatus in Fig. 1; Fig. 6 shows operational side views of the auxiliary wheel shaft of the 11 frame apparatus in Fig. 1; 12 Fig. 7A is a perspective view of a front frame of the frame apparatus in 13 Fig. 1; 14 Fig: 7B is an enlarged perspective view of the front frame of the frame apparatus in Fig. 7A; 16 Fig. 8 is an operational perspective view of a locking element of the front 17 frame of the frame apparatus in Fig. 1; 18 Fig. 9A is a side view of the front frame of the frame apparatus in Fig. 1; 19 Fig. 9B is an enlarged side view of the front frame of the frame apparatus in Fig. 9A; 21 Fig. 10 is an operational side view of the front frame of the frame 22 apparatus in Fig. 9A; * 23 Fig. 1 1A is an operational perspective view of the front frame of the 24 frame apparatus in Fig. 4A at a folded condition; 1 Fig. 1 lB is an enlarged perspective view of the front frame of the frame 2 apparatusinFig. hA; and 3 Fig. 12 is an enlarged operational side view of a positioning slab of the 4 front frame of the frame apparatus in Fig. 1.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
6 With reference to Figs. 1, 3, 4A and 4B, a frame apparatus for a 7 lightweight rollator in accordance with the present invention has a front frame 10, 8 a rear frame 20 and an auxiliary wheel frame 30.
9 The front frame 10 has a base 11 and a handle frame 12. With reference to Figs. 3, 7A, 7B, hA and 11B, the base 11 is U-shaped and has two free rear 11 ends, a middle, two connecting tabs 13, two locking elements 14, a mounting 12 frame 15, two seat tubes 16 and a positioning shaft 17. The connecting tabs 13 are 13 formed on and protrude upwardly from the middle of the base 11 at an interval 14 and are parallel to each other. The locking elements 14 are retractably and respectively mounted on the connecting tabs 13.
16 The mounting frame 15 is mounted on the free rear ends of the front 17 frame 10 and has two mounting holes 151, a mounting tube 152 and a holding 18 element 153 The mounting holes 151 are formed through the mounting frame 15 19 between the free rear ends of the base 11. The mounting tube 152 is mounted in one of the mounting holes 151 and has a front end extending forwardly. The 21 holding element 153 is retractably mounted on the mounting tube 152 near the 22 front end of the mounting tube 152. The seat tubes 16 are respectively formed on 23 and protrude upwardly from the free rear ends of the base 11 and are parallel to 24 each other to hold a seat of the lightweight rollator. The positioning shaft 17 is 1. transversally connected to the base 11 between the middle and the free rear ends 2 ofthebasell.
3 The handle frame 12 is rotatably connected to the base 11 and has a 4 lower end, a front wheel 121 and two connecting aims 122. The front wheel 121 is rotatably connected to the lower end of the handle frame 12. The connecting 6 arms 122 are curved, are formed on and protrude backwardly from the handle 7 frame 12 near the lower end of the handle frame 12 and are pivotally connected to 8 the middle of the base 11 between the connecting tabs 13. Each one of the 9 connecting arms 122 has a locicing board 123 formed on and protruding foiward1y from the connecting arm 122 to lock with one of the* locking elements 11 14. The loclcing board 123 of each one of the connecting arms 122 has at least one 12 locking hole 124 formed through the locking board 123. When the locking 13 elements 14 are respectively locked with the locking boards 123 of the 14 connecting arms 122, the handle frame 12 is held securely with the base 11.
When the locking elements 14 are respectively separated from the locking boards 16 123, the connecting arms 122 can be rotated relative to the middle of the base 11, 17 and the handle frame 12 can be moved relative to and folded with the base 11.
18 Preferably, the locking board 123 of one of the connecting arms 122 has 19 only one locking hole 124, and the locking board 123 of the other connecting arm 122 has two locking holes 124. Furthermore, with reference to Figs. 9A and 9B, 21 the three locking holes 124 of the locking boards 123 are misaligned with one 22 another, and this can enable the loclcing elements 124 to lock with the locking 23 boards 123 in the different locking holes 124. Then, the angle between tile base 24 11 and the handle frame 12 can be adjusted to meet th.e needs of the users as 1 shown in Figs. 9A, 9B and 10.
2 Additionally, with reference to Figs. 1 1A, 1 lB and 12, the handle frame 3 12 further has a positioning slab 18 rotatably connected to an inner surface of one 4 of the connecting arms 122 to connect with the positioning shaft 17. The positioning slab 18 has two ends, a torsion spring iBi, a pressing tab 182 and a 6 holding hook 183. The torsion spring 181 is connected to the positioning slab 18 7 and the corresponding connecting arm 122 to provide an elastic force to the 8 positioning slab 18 at a specific direction. The pressing tab 182 is formed on and 9 protrudes from one of the ends of the positioning slab 18. The holding hook 183 is formed on and protrudes from the other end of the positioning slab 1 8 to 11 selectively engage the positioning shaft 17 when the handle frame 12 is moved 12 toward the base 11.
13 With referenced to Figs. ito 3, the rear frame 20 is detachably connected 14 to the front frame 10 and has a bottom mount 21, two rear wheels 22 and at least one driving motor 23. The bottom mount 21 is detachably connected to the 16 mounting frame 15 of the front frame 10 and has a front side, two sidwalls, a 17 guiding rod 24 and an engaging shaft 25. The guiding rod 24 is. fornied on and 18 protrudes from the front side of the bottom mount 21 and extends through one of 19 the mounting holes 151 of the mounting frame 15 when the bottom mount 21 is connected to the mounting frame 15.
21 The engaging shaft 25 is formed on and protrudes from the front side of 22 the bottom mount 2t, extends through the other mounting hole 151 of the 23 mounting frame 15 and further extends through the mounting tube 152 of the 24 mounting frame 15. The engaging shaft 25 has a front end, an external surface, an 1 engaging hole 251 and a conical surface 252. The free end of the engaging shaft 2 25 extends out of the mounting tube 152 of the mounting frame 15. The engaging 3 hole 251 is formed through the external surface of the engaging shaft 25 and 4 engages the holding element 153 when the bottom mount 21 is connected to the mounting frame 15 of the base 11. The conical surface 252 is formed around the 6 external surface of the engaging shaft 25 at the front end of the.engaging shaft 25 7 and selectively abuts the holding element 153 of the mounting frame 15. When 8 the engaging shaft 25 moves into the mounting tube 152, the conical surface 252 9 abuts the holding element 153 and this can provide a guiding effect for the holding element 153 to move upwardly relative to the mounting tube 152.
11 The rear wheels 22 are rotatably and respectively connected to the 12 sidewalls of the bottom mount 21. The at least one driving motor 23 is securely 13 mounted on the bottom mount 21, is connected to the rear wheels 22 to drive the 14 rear wheels 22 to rotate relative to the bottom mount 21.
With reference to Figs. 4A, 4B and 5, the auxiliary wheel frame 30 is 16 securely connected to the base 11 of the front frame 10 and has a fixing frame 31 17 and two auxiliary wheel shafts 32. The fixing frame 31 may be in a square shape, 18 is securely and transversally connected to the middle of the base 11 at a rear side 19 of the front wheel 121 and has a front side, two open ends and two locating elements 33. The locating elements 33 are retractably connected to the front side 21 of the fixing frame 31 beside the front wheel 121.
22 The auxiliary wheel shafts 32 are detachably connected to the open ends 23 of the fixing frame 31, and each auxiliary wheel shaft 32 has an inserting rod 34 24 and an auxiliary wheel 35. The inserting rod 34 has a shape corresponding to the 1 square shape of the fixing frame 31 and has an inner end, an outer end, a front 2 side, a rear side and multiple inserting holes 341. The inner end of the inserting 3 rod 34 is inserted into the fixing frame 31 via one of the open ends of the fixing 4 frame 31. The inserting holes 341 are formed through the front side and the rear side of the inserting rod 34 and selectively engage one of the locating elements 33 6 to hold the inserting rod 34 securely with the fixing frame 31. The auxiliary 7 wheel 35 is mounted on the outer end of the inserting rod 34 and has an axle 351.
8 The axle 35 1 ofthe auxiliary wheel 35 is securely mounted on the outer end of the 9 inserting rod 34 and is eccentric to a center of the outer end of the inserting rod 34.
11 With reference to Figs. ito 3, when transporting the frame apparatus in 12 accordance with the present invention, the holding element 153 is pulled and 13 rotated relative to the mounting tube 152 to disengage from the engaging hole 14 251 of the engaging shaft 25. The rear frame 20 is pulled to move backwardly relative to the front frame 10 to enable the guiding rod 24 and the engaging shaft 16 25 to depart from the mounting holes 151 and the mounting tube 152 of the 17 mounting frame 15. Then, the rear frame 20 can be separated from the front 18 frame 10 and a user can transport the front frame 10 and the rear frame 20 19 respectively, and this can reduce the burden of carrying and also can reduce the space of storing the whole frame apparatus.
21 Additionally, with flirther reference to Figs. 4A, 4B and 5, the user can 22 pull and rotate the locating elements 33 relative to the fixing frame 31. Then, the 23 locating elements 33 are disengaged from the corresponding inserting holes 341 24 of the inserting rods 34 to enable the auxiliary wheel shafts 32 to separate from 1 the fixing frane 3 1. With reference to Fig. 6, the axles 35 1 of the auxiliary 2 wheels 35 are eccentrically mounted on the outer ends of the inserting rods 34.
3 Accordingly, the heights of the auxiliary wheels 35 relative to the ground can be 4 adjusted by rotating the auxiliary wheel shafts 32 by 180 degrees.
With reference to Figs. 7A, 7B and 8, when the rear frame 20 is separated 6 froth the front frame 10, the user can pull and rotate the locking elements 14 7 relative to the connecting tabs 13 to separate from the corresponding locking 8 holes 124 of the locking boards 123. Then, the connecting arms 122 can be 9 rotated relative to the middle of the base 11, and the handle frame 12 can be moved toward the base 11.With reference to Figs. I 1A, 1 lB and 12, when the 11 handle frame 12 is moved to abut the base 11, the positioning slab 18 can be 12 rotated relative to the connecting arms 122 by pressing the pressing tab 182 to 13 enable the holding hook 183 to move relative to the positioning shaft 17. When 14 the pressing tab 182 is pressed, the positioning slab 18 will rotate to the original position by the elastic force of the torsion spring 181 to enable the holding hook 16 183 to engage the positioning shaft 17. Consequently, when the handle frame 12 17 is folded with the base 11, the engagement between the positioning shaft 17 and 18 the holding hook 183 of the positioning slab 18 can prevent the handle frame. 12 19 from rotating relative to the base 11 during the transporting process.
Furthennore, with reference to Eigs. 9A, 9B and 10, the frame apparatus 21 for a lightweight rollator in accordance with the present invention can be adjusted 22 according to the user's height or arm length to change the angle between the 23 handle frame 12 and the base 11 by locking the locking elements 14 in the 24 different locking holes 124 of the locking boards 123.
1 Acáording to the above-mentioned features, the frame apparatus for a 2 lightweight rollator in accordance with the present invention can reduce the 3 volume of the whole frame apparatus by the U-shaped base 11 of the front frame 4 10 and this can enable the lightweight rollator to move freely in a narrow space.
Then, the elderly or the patients can move directly from the bed to the lightweight 6 rollator indoors and this is convenient in use. In addition, the rear frame 20 can be 7 separated from the front frame 10 easily by disengaging the holding element 153 8 from the engaging shaft 25. Then, the front frame 10 and the rear frame 20 can be 9 transported respectively and this is labor-saving in transportation and can reduce the space of storing the lightweight rollator. Furthermore, the handle frame 12 11 can be folded and held with the base 11 and this also can reduce the volume of the 12 lightweight rollator and is conveniently in use, storage, and transportation.
13 Even though numerous characteristics and advantages of the present 14 invention have been set forth in the foregoing description, together with details of the structure and features of the invention, the disclosure is illustrative only.
16 Changes may be made in the details, especially in matters of shape, size, and 17 arrangement of parts within the principles of the invention to the flaIl extent 18 indicated by the broad general meaning of the terms in which the appended 19 claims are expressed.
Claims (20)
1 WIIATISCLAJMIEDJS:
2 1. A frame apparatus for a lightweight rollator having: 3 a front frame having: 4 abae having: two free rear ends; 6 a middle; 7 two connecting tabs formed on. and protruding 8 upwardly from the middle of the base at an interval and being parallel to each 9 other; 0 two locicing elements retractably and respectively 11 mounted on the connecting tabs; 12. a mounting frame mounted on the free rear ends of 13 the front frame and having two mounting holes formed through the mounting 14 frame between the free rear ends of the base; and a handle frame rotatably connected to the base and haying: 16 a lower end; 17 a front wheel rotatably connected to the lower end 1.8 of the handle frame; and 19 two connecting arms being curved, formed on and protruding backwardly from the handle frame near the lower end of the handle 21 frame and pivotally connected to the middle of the base between the connecting 22 tabs, and each connecting arm having a locking board formed on and protruding 23 forwardly from the connecting arm to lock with one of the locking elements; and 24 a rear frame detachably connected to the front frame and having: I a bottommount detachably connected to the mounting frame of 2 the front frame and having 3 a front side; 4 two sidewalls; a guiding rod formed on and protruding from the 6 front side of the bottom mount and extending through one of the mounting holes 7 of the mounting frame when the bottom mount is connected to the mounting 8 frame; and 9 an engaging shaft fonned on and protruding from the front side of the bottom mount and extending through the other mounting 11 hole of the mounting frame; 12 two rear wheels rotatably and respectively connected to the 13 sidewalls of the bottom mount; and 14 at least one driving motor securely mounted on the bottom mount and connected to the rear wheels to drive the rear wheels to rotate relative 16 to the bottom mount.
17 2. The frame apparatus as claimed in claim 1, wherein the frame 18 apparatus has an auxiliary wheel frame securely connected to the base of the front 19 frame and having a fixing frame securely and transversally connected to the middle of the 21 base at a rear side of the front wheel and having 22 a front side; 23 two open ends; and 24 two locating elements retractably connected to the front side of * 1 the fixing frame beside the front wheel; and 2 two auxiliary wheel shafis detachably connected to the open ends of the 3 fixing frame, and each auxiliary wheel shaft having 4 an inserting rod having an inner end inserted into the fixing frame via one of 6 the open ends of the fixing frame; 7 an outer end; 8 a front side; 9 a rear side; and * 10 multiple inserting holes formed through the front 11 side and the rear side of the inserting rod and selectively engaging one of the 12 locating elements to hold the inserting rod securely with the fixing frame; and 13 an auxiliary wheel mounted on the outer end of the inserting 14 rod and having an axle securely mounted on the outer end of the inserting rod.
3. The frame apparatus as claimed in claim 2, wherein the axle of the 16 auxiliary wheel is eccentric to a center of the outer end of the inserting rod.
17
4. The frame apparatus as claimed in claim 1, wherein 18 the mounting frame has * 19 a mounting tube mounted in one of the mounting holes and having a front end extending forwardly; and 21 a holding element retractably mounted on the mounting tube 22 near the front end of the mounting tube; 23 the engaging shaft extends through the mounting tube of the mounting 24 frame and has Ii 1 a front end extending out of the mounting tube of the mounting 2 frame; 3 an external surface; 4 an engaging hole formed through the external surface of the engaging shaft and engaging the holding element when the bottom mount is 6 connected to the mounting frame of the base; and 7 a conical surface formed around the external surface of the 8 engaging shaft at the front end of the engaging shaft and selectively abutting the 9 holding element of the mounting frame.
5. The frame apparatus as claimed in claim 2, wherein 11 the mounting frame has 12 a mounting tube mounted in one of the mounting holes and 13 having a front end extending forwardly; and 14 a holding element retractably mounted on the mounting tube near the front end of the mounting tube; 16 the engaging shaft extends through the mounting tube of the mounting 17 frame and has 18 a front end extending out of the mounting tube of the mounting 19 frame; an external surface; 21 an engaging hole formed through the external surface of the 22 engaging shaft and engaging the holding element when the bottom mount is 23 connected to the mounting frame of the base; and 24 a conical surface formed around the external surface of the * 1 engaging shaft at the front end of the engaging shaft and selectively abutting the 2 holding element of the mounting frame.
3
6. The frame apparatus as claimed in claim 3, wherein 4 the mounting frame has a mounting tube mounted in one of the mounting holes and 6 having a front end extending forwardly; and 7 a holding element retractably mounted on the mounting tube 8 near the front end of the mounting tube; 9 the engaging shaft extends through tile mounting tube of the mounting frame and has 11 a front end extending out of the mounting tube of the mounting 12 frame; 13 an external surface; 14 an engaging hole formed though the external surface of the engaging shaft and engaging the holding element when the bottom mount is 16 connected to the mounting frame of the base; and 17 a conical surface formed around the external surface of the 18 engaging shaft at the front end of the engaging shaft and selectively abutting the 19 holding element of the mounting frame.
7. The frame apparatus as claimed in claim 4, wherein 21 the base has a positioning shaft transversally connected to the base 22 between the middle and the free rear ends of the base; and 23 * the handle frame has a positioning slab rotatably connected to an inner 24 surface of one of the connecting arms to connect with the positioning shaft, and 1 the positioning slab has 2 two ends; 3 a torsion spring connected to the positioning slab and the 4 corresponding connecting arm; a pressing tab formed on and protruding from one of the ends 6 of the positioning slab; and 7 a holding hook formed on and protruding from the other end of 8 the positioning slab to selectively engage the positioning shaft when the handle 9 frame is moved to the base.
8. The frame apparatus as claimed in claim 5, wherein 11 the base has a positioning shaft transversally connected to the base 12 between the middle and the free rear ends of the base; and 13 the handle frame has a positioning slab rotatably connected to an inner 14 surface of one of the connecting arms to connect with the poitioning shaft, and the positioning slab has 16 two ends; 17 a torsion spring connected to the positioning slab and the 18 corresponding connecting arm; 19 a pressing tab formed on and protruding from one of the ends of the positioning slab; and 21 a holding hook formed on and protruding from the other end of 22 the positioning slab to selectively engage the positioning shaft when the handle 23 frame is moved to the base.24
9. The frame apparatus as claimed in claim 6, wherein 1 the base has a positioning shaft transversally connected to tile base 2 between the middle and the free rear ends of the base; and 3 the handle frame has a positioning slab rotatably connected to an inner 4 surface of one of the connecting arms to connect with the positioning shaft, and the positioning slab has 6 two ends; 7 a torsion spring connected to the positioning slab and the 8 corresponding connecting arm; 9 a pressing tab formed on and protruding from one of the ends of the positioning slab; and 11 a holding hook formed on and protruding from the other end of 1 2 the positiohing slab to selectively engage the positioning shaft when the handle 13 frame is moved to the base.14
10. the frame apparatus as claimed in claim?, wherein the base has two seat tubes respectively formed on and protruding upwardly from the free rear 16 ends of the base and being parallel to each other.17
11. The frame apparatus as claimed in claim 8, wherein the base has two 18 seat tubes respectively formed on and protruding upwardly from the free rear 19 ends of the base and being parallel to each other.
12. The frame apparatus as claimed in claim 9, wherein the base has two 21 seat tubes 16 respectively formed on and protruding upwardly from the free rear 22 ends of the base and being parallel to each other.23
13. The frame apparatus as claimed in claim 7, wherein the locking board 24 of one of the connecting arms has one locking hole, and the locking board of the 1 other connecting arm has two locking holes, the three locking holes of the 2 locking boards are misaligned with one another.3
14. The frame apparatus as claimed in claim 8, wherein the locking board 4 of one of the connecting anns has one loclcing hole, and the locking board of the S other connecting arm has two locking holes, the three locking holes of the 6 locicing boards are misaligned with one another.7
15. The frame apparatus as claimed in claim 9, wherein the locking board 8 of one of the connecting arms has one loclcing hole, and the locking board of the 9 other connecting arm has two locking holes, the three locking holes* of the locking boards are misaligned with one another.11
16. The frame apparatus as claimed in claim 1, wherein 12 the base has a positioning shaft transversally connected to the base 13 between the middle and the free rear ends of the base; and 14 the handle frame has a positioning slab rotatably connected to an inner surface of one of the connecting arms to connect with the positioning shaft, and 16 the positioning slab has 17 twoends; 1 8 a torsion spring connected to the positioning slab and the 19 corresponding connecting ann; a pressing tab formed on and protruding from one of the ends 21 of the positioning s1ab and 22 a holding hook formed on and protruding from the other end of 23 the positioning slab to selectively engage the positioning shaft when the handle 24 frame is moved to the base.1
17. The frame apparatus as claimed in claim 2, wherein 2 the base has a positioning shaft transversally connected to the base 3 between the middle and the free rear ends of the base; and 4 the handle frame has a positioning slab rotatably connected to an inner surface of one of the connecting anus to connect with the positioning shaft, and 6 the positioning slab has 7 two ends; 8 a torsion spring connected to the positioning slab and the 9 corresponding connecting arm; a pressing tab formed on and protruding from one of the ends 11 of the positioning slab; and 12 a holding hook formed on and protmding from the other end of 13 the positioning slab to selectively engage the positioning shaft when the handle 14 frame is moved to the base.
18. The frame apparatus as claimed in claim 3, wherein 16 the base has a positioning shaft transversally connected to the base 17 between the middle and the free rear ends of the base; and 18 the handle frame has a positioning slab rotatably connected to an irmer 19 surface of one of the connecting arms to connect with the positioning shaft, and the positioning slab has 21 two ends; 22 a torsion spring connected to the positioning slab and the 23 corresponding connecting arm; 24 a pressing tab formed on and protruding from one of the ends I of the positioning slab; and 2 a holding hook formed on and protruding from the other end of 3 the positioning slab to selectively engage the positioning shaft when the handle 4 frame is moved to the base.
19. The frame apparatus as claimed in claim 1, wherein the base has two 6 seat tubes respectively formed on and protruding upwardly from the free rear 7 ends of the base and being parallel to each other.8
20. The frame apparatus as claimed in claim 2, wherein the base has two 9 seat tubes respectively formed on and protruding upwardly from the free rear 10* ends of the base and being parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1309108.7A GB2514366B (en) | 2013-05-21 | 2013-05-21 | Frame apparatus for lightweight rollator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1309108.7A GB2514366B (en) | 2013-05-21 | 2013-05-21 | Frame apparatus for lightweight rollator |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201309108D0 GB201309108D0 (en) | 2013-07-03 |
| GB2514366A true GB2514366A (en) | 2014-11-26 |
| GB2514366B GB2514366B (en) | 2017-04-26 |
Family
ID=48747077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1309108.7A Expired - Fee Related GB2514366B (en) | 2013-05-21 | 2013-05-21 | Frame apparatus for lightweight rollator |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2514366B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043557A (en) * | 2016-06-14 | 2016-10-26 | 美尔顿车业(东莞)有限公司 | Scooter provided with dragging wheels |
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| GB2226996A (en) * | 1989-01-13 | 1990-07-18 | Michael Flowers | Convertible personal vehicle having a take-apart frame. |
| US5020624A (en) * | 1989-11-13 | 1991-06-04 | Everest & Jennings, Inc. | Power drive scooter |
| JP2000203476A (en) * | 1999-01-12 | 2000-07-25 | Araco Corp | Motor-driven vehicle |
| US6273206B1 (en) * | 1999-02-10 | 2001-08-14 | Amigo Mobility International, Inc. | Demountable motor driven vehicles for the physically challenged |
| GB2408726A (en) * | 2003-12-03 | 2005-06-08 | Pihsiang Machinery Co Ltd | Release mechanism for separable cart |
| US20060086553A1 (en) * | 2004-10-26 | 2006-04-27 | Chen Yung C | Electric vehicle with partitionable structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US86553A (en) * | 1869-02-02 | The exttdable products op pine trees |
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2013
- 2013-05-21 GB GB1309108.7A patent/GB2514366B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2226996A (en) * | 1989-01-13 | 1990-07-18 | Michael Flowers | Convertible personal vehicle having a take-apart frame. |
| US5020624A (en) * | 1989-11-13 | 1991-06-04 | Everest & Jennings, Inc. | Power drive scooter |
| JP2000203476A (en) * | 1999-01-12 | 2000-07-25 | Araco Corp | Motor-driven vehicle |
| US6273206B1 (en) * | 1999-02-10 | 2001-08-14 | Amigo Mobility International, Inc. | Demountable motor driven vehicles for the physically challenged |
| GB2408726A (en) * | 2003-12-03 | 2005-06-08 | Pihsiang Machinery Co Ltd | Release mechanism for separable cart |
| US20060086553A1 (en) * | 2004-10-26 | 2006-04-27 | Chen Yung C | Electric vehicle with partitionable structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043557A (en) * | 2016-06-14 | 2016-10-26 | 美尔顿车业(东莞)有限公司 | Scooter provided with dragging wheels |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2514366B (en) | 2017-04-26 |
| GB201309108D0 (en) | 2013-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20210521 |