CA1330056C - Elevator for mobile home - Google Patents
Elevator for mobile homeInfo
- Publication number
- CA1330056C CA1330056C CA 601505 CA601505A CA1330056C CA 1330056 C CA1330056 C CA 1330056C CA 601505 CA601505 CA 601505 CA 601505 A CA601505 A CA 601505A CA 1330056 C CA1330056 C CA 1330056C
- Authority
- CA
- Canada
- Prior art keywords
- carriage
- platform
- track
- mobile home
- elevator
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
- B60P1/4414—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load
- B60P1/4421—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load the loading platform being carried in at least one vertical guide
Abstract
ABSTRACT OF THE DISCLOSURE
A relatively simple elevator for gaining access to the roof of a mobile home includes a pair of I-beam tracks for attachment to the rear of the vehicle, a carriage slidably mounted on the tracks for movement between the bottom and top of the body of the mobile home, a reversible electric motor, pulley and chain drive system for moving the carriage up and down the tracks, and a platform connected to the carriage for movement therewith, the platform being foldable to a non-use or storage position generally parallel to the tracks.
A relatively simple elevator for gaining access to the roof of a mobile home includes a pair of I-beam tracks for attachment to the rear of the vehicle, a carriage slidably mounted on the tracks for movement between the bottom and top of the body of the mobile home, a reversible electric motor, pulley and chain drive system for moving the carriage up and down the tracks, and a platform connected to the carriage for movement therewith, the platform being foldable to a non-use or storage position generally parallel to the tracks.
Description
13301~6 This invention relates to an elevator for a mobile home, and in particular to an elevator for gaining access to the roof of a vehicle.
In general, it i6 difficult to load luggage onto the roof of a mobile or motor home. Most such vehicles come equipped with a ladde~ permanently attached to the rear of the vehicle. Climbing the ladder while carrying luggage requires a certain amount of agility, and is out of the question for the elderly. Accordingly, a clear need exists for an elevator for use on mobile homes.
A search in the patent literature fails to provide a solution to the problem. Lifts or elevators of generally the type proposed herein are described in U.S. Patents Nos.
3,521,774, which issued to K.A. Raypholtz on July 28, 1970 and 3,720,334, which issued to A.A. Permut et al on March 13, 1973.
However, neither the Raypholtz nor the Permut system is suitable for hois~ing a per60n and/or luggage to the roof of a motor home.
The object of the present invention is to meet the above defined need by providing a relatively simple, compact elevator for a mobile home which is easy to install and operate.
Accordingly, the present invention relates to an elevator for use on a mobile home comprising track means for mounting on the mobile home; carriage means slidably mounted on said track means for movement between the bottom of the ~' l33a~6 mobile home body and the top thereof; platform means for carrying a passenger or material connected to said carriage means for movement therewith, said platform means being collapsible from a use position, in which the platform means extends horizontally outwardly from said track means, to a storage position, in which said platform means is substantially parallel to said track means; and drive means for moving said carriage means and consequently said platform means between the bottom and top of the mobile home body.
The invention will be described in greater detail with reference to the accompanying drawings, which illustrate a preferred embodiment of the invention, and wherein:
Figure 1 i8 a perspective view from one side of an elevator in accordance with the present invention i the use position;
Figure 2 is a perspective view of the elevator of Fig.
1, with parts omitted, in the folded or non-use position;
Figure 3 is a side view of the elevator of E'igs, 1 and 2:
Figure 4 i~ a plan view of the upper end of the elevator of Figs. 1 to 3;
Figure 5 i5 a partly sectioned, front view of the elevator of Yigs. 1 to 3:
Figure 6 is a cross 6ection taken generally along line VI-VI of Fig. 5;
Figure / is a cross section taken generally along line VII-VII of Fig. 5;
Figure 8 is a cross section taken generally along line VIII-VIII of Fig. 3:
Figure 9, which appears on the third sheet of drawings, is a cross section taken generally along line IX-IX of Fig. 3;
Figure lo is a schematic front view of a drive system used to raise and lower the elevator of Figs. 1 to 3:
Figure 11 is a side view of the outer bottom end of one track and carriage slide used in the elevator of F'igs. 1 to 3;
Figure 12 is a cross section showing the other side of the slide of Fig. 11;
Figure 13 is a cross section of one track and one end of the carriage used in the apparatus of Figs. 1 to 3;
Figure 14 is a side view of the inner top end of one track used in the elevator of Figs. 1 to 3;
Figure lS is a cross section taken generally along the line XV-XV of Fig. 1~:
Figure 16 is a side view of the top end of the other track used in the elevator of Figs. 1 to 3; and Figure 17 is a cros6- section taken generally along line XVII-XVII of Fig. 16.
With reference to the drawings the elevator of the present invention. which is generally indicated at 1, is 133~56 intended for mounting on the rear end 2 of a mobile or motor home 3. The principal elements of the elevator aLe a pair of I-beam tracks 5, a carriage generally indicated at 6 slidably mounted on the tracks 5, and a platform 7 connected to the carriage 6 for movement therewith. The bottom ends of the tracks 5 are connected to the rear bumper 8 and to the frame 9 (Figs. 1, 3 and 5 to 8) of the motor home 3 by a generally C-shaped frame lo. The frame 10, which is formed of angle iron, is welded to the bumper 8, the frame 9 and the inner surfaces of the tracks 5. A top platform or deck 12 defined by a frame 13 and aluminum grating 14 extends between and is connected to an upper crossbar 15 and the roof 17 of the motor home 3. The lower ends of the tracks 5 are interconnected by the frame 10 and by a crossbar 18.
The carriage 6 is defined by a frame, which includes a pair of slides Z3 of generally U-shaped cross section mounted on the tracks 5. For such purpose, a pair of rollers 24 (Figs. 11 and 13) are provided in each slide 23 for riding on inner surfaces of the front and rear, outer arms of the tracks 5. The rollers 24 are mounted on bolts 26 extending through the outer arm~ of th slides 23. The slides 23 are interconnected by upper and lower crossbars 28 and 29, respectively. The slides 23 are movable between lower stops 30 and upper stops 32 (Figs. 3, 14 and 17). Movement of the carriage is li~ited by the lower and upper limit switches 33 and 35, respectively. As best shown in 1330~6 -].ic~. 5 thf~ switch 38 i.s carried b~r one track 5 and the swit-h ~5 is carried by the o~her tra~k 5.
Movement of the carriage 6 is effectecl by means of a winch 36 drlven by cJn electric motor 37. The winch 36 ancl motol 37 are moul1ted on a brac~ket 39 (Figs. 1. and 5) on one track 5. A
cable 40 wound on the winch 36 e~tends upwardly behind one track around an upper pulley 42 (Figs. 4 5 14 and 15) ~ownwarclly along -the inner side of the same -track 5 to a lower anchor bracket 43. The pulley 4 is mour1ted on a bolt 44 e;tending between plates 45 and 46 welded in the upper end of the t:rack 5.
In order to enstlre that the carriage 6 moves smoc)thly on the tracks 5, additional rollers 48 and 49 are mounted on bolts 51 and 52, respectively extending between the front of -the crossbar 29 and plates 54 and 55 (~iCJS. 5 and 13) respecti.vely welded to the hottom and top respecti.vely o~ opposite ends o~ the crossbar ~8 so -that. the rollers 48 ancl 49 extend thr(:Ju-Jh s].-~ts 56 (one sl1own) in the slicdes 23 into the inner slides of the tracks 5. A seconc1 cable 57 extends from an anchor bracket 58 at t.he bottom end of the trac]c 5 carrying the winch 36 over the pulley 43 and under the pulley 49 to another anchor bracket 59 at the top end of the other track 5. Thus the slides 23 of the carriage 6 are forced to move together i.e. the carriage 6 is caused to move smoothly along the tracks 5.
l33a~6 Referring to Figs. 6 to 9, the elevator is completed by the platform 7 which is integral with the carriage 6. The platform 7 includes a rectangular base 62 defined by sides 63, ends 64 and an aluminum grating floor panel 66. The inner end of the base 62 is pivotally connected to inner, square cross section posts or balusters 67 by bolts 68 (Fig. 2). The posts 67 are welded to the slides 23 for movement therewith. Movement of the base 62 from the vertical (Fig. 2) to the horizontal position (Figs. 1 and 6 to 8) is limited by a pair of wire ropes 70 extending between the outer ends of the sides 63 of the base and the posts 67. A second post or baluster 71 is pivotally connected to the outer end of each side 63 of the base 62 by a bolt 73 (Figs. 1 and 2). Handrails 74 extend between and are pivotally connected to the top ends of the posts 67 and 71. A
lS latch 76 (Fig6 2 and 3) maintains the platform 7 in the folded, non-use position. A safety gate defined by a bar 78 is provided at the outer top end of the platform 7. The bar 78 is pivotally connected at one end to one post 71. A notch (not shown) i6 provided in the bottom edge of the other end of the bar 78 for releasably engaging a pin (not shown) extending outwardly from the other post 71.
Power for the elevator is provided by a 12 volt vehicle battery. THE elevator motor 37 is controlled by a weatherproof control panel (not shown) mounted on the rear end 2 of the mobile home. In order to use the elevator, the platform 1330~56 catch 76 is released and the platform 7 is moved to the lower position (Figs. 1 and 3). The motoL 37 is started to turn the winch ~6 which causes the carriaga 6 to move vertically along the tracks 7. The limit switch 35 prevents upward movement of the carriage 6 and the carriage 7. The limit switch 35 prevents upward movemen~ of the carriage 6 and the carriage 7 beyond the upper position, in which the platform base 62 is aligned with the deck 12. The motor 37 is reversed to return the carriage 6 and the platform 7 to the lower position. The platform 7 is manually folded to the non-use or storage position (Fig. 2) and the catch 76 is engaged.
Because most of the elements of the elevator are formed of aluminum, the device is relatively lightweight and easy to operate.
~5
In general, it i6 difficult to load luggage onto the roof of a mobile or motor home. Most such vehicles come equipped with a ladde~ permanently attached to the rear of the vehicle. Climbing the ladder while carrying luggage requires a certain amount of agility, and is out of the question for the elderly. Accordingly, a clear need exists for an elevator for use on mobile homes.
A search in the patent literature fails to provide a solution to the problem. Lifts or elevators of generally the type proposed herein are described in U.S. Patents Nos.
3,521,774, which issued to K.A. Raypholtz on July 28, 1970 and 3,720,334, which issued to A.A. Permut et al on March 13, 1973.
However, neither the Raypholtz nor the Permut system is suitable for hois~ing a per60n and/or luggage to the roof of a motor home.
The object of the present invention is to meet the above defined need by providing a relatively simple, compact elevator for a mobile home which is easy to install and operate.
Accordingly, the present invention relates to an elevator for use on a mobile home comprising track means for mounting on the mobile home; carriage means slidably mounted on said track means for movement between the bottom of the ~' l33a~6 mobile home body and the top thereof; platform means for carrying a passenger or material connected to said carriage means for movement therewith, said platform means being collapsible from a use position, in which the platform means extends horizontally outwardly from said track means, to a storage position, in which said platform means is substantially parallel to said track means; and drive means for moving said carriage means and consequently said platform means between the bottom and top of the mobile home body.
The invention will be described in greater detail with reference to the accompanying drawings, which illustrate a preferred embodiment of the invention, and wherein:
Figure 1 i8 a perspective view from one side of an elevator in accordance with the present invention i the use position;
Figure 2 is a perspective view of the elevator of Fig.
1, with parts omitted, in the folded or non-use position;
Figure 3 is a side view of the elevator of E'igs, 1 and 2:
Figure 4 i~ a plan view of the upper end of the elevator of Figs. 1 to 3;
Figure 5 i5 a partly sectioned, front view of the elevator of Yigs. 1 to 3:
Figure 6 is a cross 6ection taken generally along line VI-VI of Fig. 5;
Figure / is a cross section taken generally along line VII-VII of Fig. 5;
Figure 8 is a cross section taken generally along line VIII-VIII of Fig. 3:
Figure 9, which appears on the third sheet of drawings, is a cross section taken generally along line IX-IX of Fig. 3;
Figure lo is a schematic front view of a drive system used to raise and lower the elevator of Figs. 1 to 3:
Figure 11 is a side view of the outer bottom end of one track and carriage slide used in the elevator of F'igs. 1 to 3;
Figure 12 is a cross section showing the other side of the slide of Fig. 11;
Figure 13 is a cross section of one track and one end of the carriage used in the apparatus of Figs. 1 to 3;
Figure 14 is a side view of the inner top end of one track used in the elevator of Figs. 1 to 3;
Figure lS is a cross section taken generally along the line XV-XV of Fig. 1~:
Figure 16 is a side view of the top end of the other track used in the elevator of Figs. 1 to 3; and Figure 17 is a cros6- section taken generally along line XVII-XVII of Fig. 16.
With reference to the drawings the elevator of the present invention. which is generally indicated at 1, is 133~56 intended for mounting on the rear end 2 of a mobile or motor home 3. The principal elements of the elevator aLe a pair of I-beam tracks 5, a carriage generally indicated at 6 slidably mounted on the tracks 5, and a platform 7 connected to the carriage 6 for movement therewith. The bottom ends of the tracks 5 are connected to the rear bumper 8 and to the frame 9 (Figs. 1, 3 and 5 to 8) of the motor home 3 by a generally C-shaped frame lo. The frame 10, which is formed of angle iron, is welded to the bumper 8, the frame 9 and the inner surfaces of the tracks 5. A top platform or deck 12 defined by a frame 13 and aluminum grating 14 extends between and is connected to an upper crossbar 15 and the roof 17 of the motor home 3. The lower ends of the tracks 5 are interconnected by the frame 10 and by a crossbar 18.
The carriage 6 is defined by a frame, which includes a pair of slides Z3 of generally U-shaped cross section mounted on the tracks 5. For such purpose, a pair of rollers 24 (Figs. 11 and 13) are provided in each slide 23 for riding on inner surfaces of the front and rear, outer arms of the tracks 5. The rollers 24 are mounted on bolts 26 extending through the outer arm~ of th slides 23. The slides 23 are interconnected by upper and lower crossbars 28 and 29, respectively. The slides 23 are movable between lower stops 30 and upper stops 32 (Figs. 3, 14 and 17). Movement of the carriage is li~ited by the lower and upper limit switches 33 and 35, respectively. As best shown in 1330~6 -].ic~. 5 thf~ switch 38 i.s carried b~r one track 5 and the swit-h ~5 is carried by the o~her tra~k 5.
Movement of the carriage 6 is effectecl by means of a winch 36 drlven by cJn electric motor 37. The winch 36 ancl motol 37 are moul1ted on a brac~ket 39 (Figs. 1. and 5) on one track 5. A
cable 40 wound on the winch 36 e~tends upwardly behind one track around an upper pulley 42 (Figs. 4 5 14 and 15) ~ownwarclly along -the inner side of the same -track 5 to a lower anchor bracket 43. The pulley 4 is mour1ted on a bolt 44 e;tending between plates 45 and 46 welded in the upper end of the t:rack 5.
In order to enstlre that the carriage 6 moves smoc)thly on the tracks 5, additional rollers 48 and 49 are mounted on bolts 51 and 52, respectively extending between the front of -the crossbar 29 and plates 54 and 55 (~iCJS. 5 and 13) respecti.vely welded to the hottom and top respecti.vely o~ opposite ends o~ the crossbar ~8 so -that. the rollers 48 ancl 49 extend thr(:Ju-Jh s].-~ts 56 (one sl1own) in the slicdes 23 into the inner slides of the tracks 5. A seconc1 cable 57 extends from an anchor bracket 58 at t.he bottom end of the trac]c 5 carrying the winch 36 over the pulley 43 and under the pulley 49 to another anchor bracket 59 at the top end of the other track 5. Thus the slides 23 of the carriage 6 are forced to move together i.e. the carriage 6 is caused to move smoothly along the tracks 5.
l33a~6 Referring to Figs. 6 to 9, the elevator is completed by the platform 7 which is integral with the carriage 6. The platform 7 includes a rectangular base 62 defined by sides 63, ends 64 and an aluminum grating floor panel 66. The inner end of the base 62 is pivotally connected to inner, square cross section posts or balusters 67 by bolts 68 (Fig. 2). The posts 67 are welded to the slides 23 for movement therewith. Movement of the base 62 from the vertical (Fig. 2) to the horizontal position (Figs. 1 and 6 to 8) is limited by a pair of wire ropes 70 extending between the outer ends of the sides 63 of the base and the posts 67. A second post or baluster 71 is pivotally connected to the outer end of each side 63 of the base 62 by a bolt 73 (Figs. 1 and 2). Handrails 74 extend between and are pivotally connected to the top ends of the posts 67 and 71. A
lS latch 76 (Fig6 2 and 3) maintains the platform 7 in the folded, non-use position. A safety gate defined by a bar 78 is provided at the outer top end of the platform 7. The bar 78 is pivotally connected at one end to one post 71. A notch (not shown) i6 provided in the bottom edge of the other end of the bar 78 for releasably engaging a pin (not shown) extending outwardly from the other post 71.
Power for the elevator is provided by a 12 volt vehicle battery. THE elevator motor 37 is controlled by a weatherproof control panel (not shown) mounted on the rear end 2 of the mobile home. In order to use the elevator, the platform 1330~56 catch 76 is released and the platform 7 is moved to the lower position (Figs. 1 and 3). The motoL 37 is started to turn the winch ~6 which causes the carriaga 6 to move vertically along the tracks 7. The limit switch 35 prevents upward movement of the carriage 6 and the carriage 7. The limit switch 35 prevents upward movemen~ of the carriage 6 and the carriage 7 beyond the upper position, in which the platform base 62 is aligned with the deck 12. The motor 37 is reversed to return the carriage 6 and the platform 7 to the lower position. The platform 7 is manually folded to the non-use or storage position (Fig. 2) and the catch 76 is engaged.
Because most of the elements of the elevator are formed of aluminum, the device is relatively lightweight and easy to operate.
~5
Claims (5)
1. An elevator for use on a mobile home comprising track means for mounting on the mobile home; carriage means slidably mounted on said track means for movement between the bottom of the mobile home body and the top thereof; platform means for carrying a passenger or material connected to said carriage means for movement therewith, said platform means being collapsible from a use position, in which the platform means extends horizontally outwardly from said track means, to a storage position, in which said platform means is substantially parallel to said track means;
and drive means for moving said carriage means and consequently said platform means between the bottom and top of the mobile home body.
and drive means for moving said carriage means and consequently said platform means between the bottom and top of the mobile home body.
2. An elevator according to claim 1, wherein said track means includes a pair of rectilinear, parallel I-beams; and said carriage means includes slide means movably mounted on each said I-beam, and crossbar means interconnecting said slide means.
3. An elevator according to claim 2, wherein platform means includes inner post means mounted on said slide means; base means pivotally connected to said inner post means; outer post means pivotally connected to said base means and handrail means pivotally interconnecting the top end of said inner and outer post means, whereby said base means, outer post means and handrail means can be pivoted between the use position; in which said base means extends outwardly from said slide means, and the storage position, in which said base means, outer post means and handrails means are substantially vertical against said track means.
4. An elevator according to claim 1 including switch means on said track means for limiting movement of the carriage means between the top and bottom of the mobile home body.
5. An elevator according to claim 2, wherein said drive means includes winch means on one said I-beam; first cable means on said I-beam engaging said winch means and one side of said carriage means; pulley means on each side of said carriage means;
and second cable means extending from the top end of the other I-beam around said pulley means to the bottom end of the other said I-beam for balancing the load of the carriage means and platform means on the track means.
and second cable means extending from the top end of the other I-beam around said pulley means to the bottom end of the other said I-beam for balancing the load of the carriage means and platform means on the track means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 601505 CA1330056C (en) | 1989-06-01 | 1989-06-01 | Elevator for mobile home |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 601505 CA1330056C (en) | 1989-06-01 | 1989-06-01 | Elevator for mobile home |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1330056C true CA1330056C (en) | 1994-06-07 |
Family
ID=4140145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 601505 Expired - Fee Related CA1330056C (en) | 1989-06-01 | 1989-06-01 | Elevator for mobile home |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1330056C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0849114A1 (en) * | 1996-12-17 | 1998-06-24 | Jan Jozef Prudence Dhollander | Improvements to loading devices for transport vehicles |
| FR2927856A1 (en) * | 2008-02-26 | 2009-08-28 | Maurice Raymond Pierre Cazes | AUTOCARAVANE WITH CAR OF TOURISM EMBARQUEE, ELEVATOR AND CABIN FOR CREW |
| AU2011200847B2 (en) * | 2003-12-24 | 2012-07-26 | Barattam Pty Ltd | Improved lifting means |
-
1989
- 1989-06-01 CA CA 601505 patent/CA1330056C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0849114A1 (en) * | 1996-12-17 | 1998-06-24 | Jan Jozef Prudence Dhollander | Improvements to loading devices for transport vehicles |
| BE1010806A3 (en) * | 1996-12-17 | 1999-02-02 | Dhollander Jan Jozef Prudence | Improvements to load devices for goods vehicles. |
| AU2011200847B2 (en) * | 2003-12-24 | 2012-07-26 | Barattam Pty Ltd | Improved lifting means |
| FR2927856A1 (en) * | 2008-02-26 | 2009-08-28 | Maurice Raymond Pierre Cazes | AUTOCARAVANE WITH CAR OF TOURISM EMBARQUEE, ELEVATOR AND CABIN FOR CREW |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |