CA2885119C - Arrangement for mounting a runner on a vehicle sliding on runners - Google Patents
Arrangement for mounting a runner on a vehicle sliding on runners Download PDFInfo
- Publication number
- CA2885119C CA2885119C CA2885119A CA2885119A CA2885119C CA 2885119 C CA2885119 C CA 2885119C CA 2885119 A CA2885119 A CA 2885119A CA 2885119 A CA2885119 A CA 2885119A CA 2885119 C CA2885119 C CA 2885119C
- Authority
- CA
- Canada
- Prior art keywords
- runner
- sledge
- mounting
- tip
- runners
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B13/00—Sledges with runners
- B62B13/02—Sledges with runners characterised by arrangement of runners
- B62B13/06—Sledges with runners characterised by arrangement of runners arranged in two or more parallel lines
- B62B13/08—Sledges with runners characterised by arrangement of runners arranged in two or more parallel lines with steering devices
- B62B13/10—Sledges with runners characterised by arrangement of runners arranged in two or more parallel lines with steering devices with swivelling portions of the runners; with a swivelling middle runner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B13/00—Sledges with runners
- B62B13/02—Sledges with runners characterised by arrangement of runners
- B62B13/06—Sledges with runners characterised by arrangement of runners arranged in two or more parallel lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B15/00—Other sledges; Ice boats or sailing sledges
- B62B15/007—Towed sledges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B17/00—Accessories or details of sledges
- B62B17/02—Runners
- B62B17/04—Runners resiliently suspended
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Body Structure For Vehicles (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
Arrangement for mounting a runner (2) of vehicles and devices sliding on runners (2), such as sledges (1) functioning as a trailer on snow, in which arrangement a runner (2) is connected to a sledge (1) from both the tip of the runner (2) and from at least one other point of the runner (2). The invention is implemented in such a way that arranged between the tip of the runner (2) and the sledge (1) is a rigid tip support (3), which is hinged in a fixed manner turnably at both its ends, and in that between the sledge (1) and the runner (2) is also installed at least one center support (4), which is hinged in a fixed manner turnably at both its ends.
Description
ARRANGEMENT FOR MOUNTING A RUNNER ON A VEHICLE
SLIDING ON RUNNERS
The object of the present invention is an arrangement for mounting a runner of vehicles and devices sliding on runners, such as sledges functioning as a trailer on snow, in which arrangement a runner is connected to a sledge from both the tip of the runner and from at least one other point of the runner.
The invention thus relates to an arrangement for mounting/fixing the runners of vehicles and devices sliding on runners, such as sledges functioning as a trailer on snow. Reference is made hereinafter to a sledge, but this must be interpreted more widely to mean vehicles of the type referred to in the preceding.
Fig. 1 presents a sledge 1' according to prior art, wherein the runner is mounted with two supports, which are connected at their bottom ends to a transverse shaft A. One of the two supports can be sprung. In this embodiment the tip of the runner 2' is free, i.e. it is not supported on the sledge.
Fig. 2 presents a second known mounting solution for a runner of a sledge. A difference to the solution of Fig. 1 is that now also the tip of the runner 2' is supported on the sledge 1'. The joint between the support and the sledge is made to be slidable; as indicated with the arrow.
Fig. 3 presents yet another known solution, wherein the runner is supported with two vertical rigid supports and the tip of the runner is fixed to the sledge.
There have been advances in the technical development of sledges along with the development of motor sleighs. A conventional sledge, which typically has rigidly installed runners, no longer meets the requirements for moving and transporting that takes place on snow or frozen ground. To achieve smooth motion and comfort, spring suspensions have been built into sledges for decades now and Date Recue/Date Received 2022-07-11
SLIDING ON RUNNERS
The object of the present invention is an arrangement for mounting a runner of vehicles and devices sliding on runners, such as sledges functioning as a trailer on snow, in which arrangement a runner is connected to a sledge from both the tip of the runner and from at least one other point of the runner.
The invention thus relates to an arrangement for mounting/fixing the runners of vehicles and devices sliding on runners, such as sledges functioning as a trailer on snow. Reference is made hereinafter to a sledge, but this must be interpreted more widely to mean vehicles of the type referred to in the preceding.
Fig. 1 presents a sledge 1' according to prior art, wherein the runner is mounted with two supports, which are connected at their bottom ends to a transverse shaft A. One of the two supports can be sprung. In this embodiment the tip of the runner 2' is free, i.e. it is not supported on the sledge.
Fig. 2 presents a second known mounting solution for a runner of a sledge. A difference to the solution of Fig. 1 is that now also the tip of the runner 2' is supported on the sledge 1'. The joint between the support and the sledge is made to be slidable; as indicated with the arrow.
Fig. 3 presents yet another known solution, wherein the runner is supported with two vertical rigid supports and the tip of the runner is fixed to the sledge.
There have been advances in the technical development of sledges along with the development of motor sleighs. A conventional sledge, which typically has rigidly installed runners, no longer meets the requirements for moving and transporting that takes place on snow or frozen ground. To achieve smooth motion and comfort, spring suspensions have been built into sledges for decades now and Date Recue/Date Received 2022-07-11
2 runners are mounted on a joint in such a way that that they give to accommodate unevenness of the ground.
Mounting the runners of devices moving on runners differs from mounting the wheels of devices running on wheels mainly in that a runner meets the running surface, such as the ground, for a longer distance and rocking of the runner by means of a transverse axis, i.e.
a mounting joint, is desirable for the sake of smooth motion and runner durability.
The mounting of a runner in such a way that its tip is free and the mounting is only in the middle of the runner is known in the art. In this case a strong torsion is exerted on the mounting joint when the sledge turns. There is also the danger that in the sideslip movement of the runner forming in conjunction with the turning the runner will hit a solid object or the tip of the runner will "bite" into an object, such as the rear of a tree trunk. Likewise, when crossing a deep depression, such as a ditch, or when coming down a river bank reaching ice, the tip of the runner might be pressed into soft ground.
For the sake of safety and mechanical durability, it is desirable to fix the tips of the runners to the frame of the device with an articulated support.
Fixing the tip of a runner to the frame of a sledge is problematic because the rocking of the runner in the joint causes a change in the distance of the tip of the runner in relation to the frame. Many types of solutions to the problem have been presented. The fixing of the tip support of the runner to the frame can be sliding or the tip support can be variable in length. A sliding mounting joint of a runner can, for its part, be used with a tip support that is hinged in a fixed manner.
The mounting of the runner becomes even more problematic when spring suspension is added to it. The springing movement, i.e. the changing of the distance of the hinge point of the runner with respect to the frame of the sledge also changes the position of the tip of the runner with respect to the frame of the sledge. In practice this is addressed by increasing the designed sliding trajectory of the tip support.
Date Recue/Date Received 2022-07-11
Mounting the runners of devices moving on runners differs from mounting the wheels of devices running on wheels mainly in that a runner meets the running surface, such as the ground, for a longer distance and rocking of the runner by means of a transverse axis, i.e.
a mounting joint, is desirable for the sake of smooth motion and runner durability.
The mounting of a runner in such a way that its tip is free and the mounting is only in the middle of the runner is known in the art. In this case a strong torsion is exerted on the mounting joint when the sledge turns. There is also the danger that in the sideslip movement of the runner forming in conjunction with the turning the runner will hit a solid object or the tip of the runner will "bite" into an object, such as the rear of a tree trunk. Likewise, when crossing a deep depression, such as a ditch, or when coming down a river bank reaching ice, the tip of the runner might be pressed into soft ground.
For the sake of safety and mechanical durability, it is desirable to fix the tips of the runners to the frame of the device with an articulated support.
Fixing the tip of a runner to the frame of a sledge is problematic because the rocking of the runner in the joint causes a change in the distance of the tip of the runner in relation to the frame. Many types of solutions to the problem have been presented. The fixing of the tip support of the runner to the frame can be sliding or the tip support can be variable in length. A sliding mounting joint of a runner can, for its part, be used with a tip support that is hinged in a fixed manner.
The mounting of the runner becomes even more problematic when spring suspension is added to it. The springing movement, i.e. the changing of the distance of the hinge point of the runner with respect to the frame of the sledge also changes the position of the tip of the runner with respect to the frame of the sledge. In practice this is addressed by increasing the designed sliding trajectory of the tip support.
Date Recue/Date Received 2022-07-11
3 The problems caused by detrimental substances, such as sand, dust, rust and frozen water in the sliding points is problematic in all the aforementioned arrangements. Additionally, a sliding joint often causes a disturbing noise and it is also a wearing part.
The purpose of the present invention is to achieve an arrangement for mounting a runner on a vehicle sliding on runners, which arrangement does not have the aforementioned drawbacks.
According to an aspect of the present invention, there is provided a system for mounting a runner on a vehicle sliding on runners so that a tip of the runner is connected to the vehicle and at least one other point of the runner is connected to the vehicle, the system comprising a rigid tip support and at least one center support. The rigid tip support has a first end for pivotable attachment to the tip of the runner and a second end for pivotable attachment to the vehicle. The at least one center support has a first end for pivotable attachment to the at least one other point of the runner and a second end for pivotable attachment to the vehicle. Notably, the ends of the rigid tip support and the ends of the at least one center support are for pivotable attachment in a way that does not allow sliding.
In some embodiments, an element that functions as a spring and as a shock absorber forms the at least one center support.
In some embodiments, the at least one center support is formed from two rods hinged to each other and wherein the element is installed between the two rods.
In some embodiments, the at least one center support comprises two center supports and wherein each of the two center supports is formed from an element that functions as a spring and as a shock absorber.
In some embodiments, the vehicle is a sledge.
In some embodiments, the sledge is able to function as a trailer on snow.
Date Recue/Date Received 2022-07-11
The purpose of the present invention is to achieve an arrangement for mounting a runner on a vehicle sliding on runners, which arrangement does not have the aforementioned drawbacks.
According to an aspect of the present invention, there is provided a system for mounting a runner on a vehicle sliding on runners so that a tip of the runner is connected to the vehicle and at least one other point of the runner is connected to the vehicle, the system comprising a rigid tip support and at least one center support. The rigid tip support has a first end for pivotable attachment to the tip of the runner and a second end for pivotable attachment to the vehicle. The at least one center support has a first end for pivotable attachment to the at least one other point of the runner and a second end for pivotable attachment to the vehicle. Notably, the ends of the rigid tip support and the ends of the at least one center support are for pivotable attachment in a way that does not allow sliding.
In some embodiments, an element that functions as a spring and as a shock absorber forms the at least one center support.
In some embodiments, the at least one center support is formed from two rods hinged to each other and wherein the element is installed between the two rods.
In some embodiments, the at least one center support comprises two center supports and wherein each of the two center supports is formed from an element that functions as a spring and as a shock absorber.
In some embodiments, the vehicle is a sledge.
In some embodiments, the sledge is able to function as a trailer on snow.
Date Recue/Date Received 2022-07-11
4 The mounting of the runner is therefore done in such a way that the tip support of the runner is rigid ( does not stretch or contract) and is hinged in a fixed manner to the tip of the runner and correspondingly to the frame (mounting rod) of the sledge, and the vertical supporting of the runner is done with an arrangement that allows horizontal movement of the runner in relation to the frame of the sledge using a rigid or sprung center support that is hinged in a fixed manner. A runner can be supported also with a plurality of vertical supports.
One of the advantages of the invention that can be mentioned is that no sliding joints at all are needed for the mounting of the runner, but instead all the joints can be implemented as noise-free, durable and simple solutions having small clearances.
In the following, the invention will be described in more detail by the aid of some preferred embodiments with reference to the attached drawings, wherein Fig. 1 presents a mounting of the runners of a sledge according to the state of the art.
Fig. 2 presents a second mounting of the runners of a sledge according to the state of the art.
Fig. 3 presents a third mounting of the runners of a sledge according to the state of the art.
Fig. 4 presents the mounting of the runners of a sledge according to one embodiment of the invention.
Fig. 5 presents the mounting of the runners of a sledge according to a second embodiment of the invention.
Fig. 6 presents the mounting of the runners of a sledge according to a third embodiment of the invention.
Fig. 7 presents the mounting of the runners of a sledge according to a fourth embodiment of the invention.
Date Recue/Date Received 2022-07-11
One of the advantages of the invention that can be mentioned is that no sliding joints at all are needed for the mounting of the runner, but instead all the joints can be implemented as noise-free, durable and simple solutions having small clearances.
In the following, the invention will be described in more detail by the aid of some preferred embodiments with reference to the attached drawings, wherein Fig. 1 presents a mounting of the runners of a sledge according to the state of the art.
Fig. 2 presents a second mounting of the runners of a sledge according to the state of the art.
Fig. 3 presents a third mounting of the runners of a sledge according to the state of the art.
Fig. 4 presents the mounting of the runners of a sledge according to one embodiment of the invention.
Fig. 5 presents the mounting of the runners of a sledge according to a second embodiment of the invention.
Fig. 6 presents the mounting of the runners of a sledge according to a third embodiment of the invention.
Fig. 7 presents the mounting of the runners of a sledge according to a fourth embodiment of the invention.
Date Recue/Date Received 2022-07-11
5 Fig. 8 presents the mounting of the runners of a sledge according to a fifth embodiment of the invention.
Fig. 9 presents a series of diagrams of the functioning of the sprung mounting according to Fig. 6.
Fig. 4 presents the mounting of a runner according to one embodiment of the invention. The sledge is marked with the reference number 1 and the runner with the reference number 2.
Here only one runner is addressed, but typically on a sledge there are two side by side. The supporting of the runner is implemented with two supports hinged at their ends in such a way that the tip support 3 handles the supporting of the runner 2 in the horizontal direction and the center support 4 handles the supporting of the runner 2 in the vertical direction. As the runner moves to accommodate unevennesses in the base on which it moves, compensation of the horizontal movement of the mounting point B of the runner 2 caused by the circular trajectories of the tip support and the runner occurs with a rocking motion of the center support. The length of the center support 4 must be sufficient compared to the combined horizontal distance of movement of the tip support 3 and the tip of the runner 2, to avoid an unreasonably large change in the distance of the runner and the frame of the sledge as well as to avoid excessive "tilting" with respect to the frame of the sledge.
In the embodiment presented by Fig. 5 the center support 4 is sprung and provided with shock absorption. This element must be sufficiently robust to receive also the lateral forces of the runner 2. Otherwise the structure is the same as in the embodiment of Fig. 4.
Fig. 6 presents a different structure of the sprung center support 4.
In it the center support 4 is composed of two rods that are hinged to each other, between which a spring is installed. This structure is described in more detail in Fig. 9, which presents the position of the Date Recue/Date Received 2022-07-11
Fig. 9 presents a series of diagrams of the functioning of the sprung mounting according to Fig. 6.
Fig. 4 presents the mounting of a runner according to one embodiment of the invention. The sledge is marked with the reference number 1 and the runner with the reference number 2.
Here only one runner is addressed, but typically on a sledge there are two side by side. The supporting of the runner is implemented with two supports hinged at their ends in such a way that the tip support 3 handles the supporting of the runner 2 in the horizontal direction and the center support 4 handles the supporting of the runner 2 in the vertical direction. As the runner moves to accommodate unevennesses in the base on which it moves, compensation of the horizontal movement of the mounting point B of the runner 2 caused by the circular trajectories of the tip support and the runner occurs with a rocking motion of the center support. The length of the center support 4 must be sufficient compared to the combined horizontal distance of movement of the tip support 3 and the tip of the runner 2, to avoid an unreasonably large change in the distance of the runner and the frame of the sledge as well as to avoid excessive "tilting" with respect to the frame of the sledge.
In the embodiment presented by Fig. 5 the center support 4 is sprung and provided with shock absorption. This element must be sufficiently robust to receive also the lateral forces of the runner 2. Otherwise the structure is the same as in the embodiment of Fig. 4.
Fig. 6 presents a different structure of the sprung center support 4.
In it the center support 4 is composed of two rods that are hinged to each other, between which a spring is installed. This structure is described in more detail in Fig. 9, which presents the position of the Date Recue/Date Received 2022-07-11
6 runner and its mounting means in four different operating situations a-d.
Fig. 7 shows a solution according to the invention, wherein the springing of the center support is implemented in a different manner than in the preceding embodiment. A lever mechanism, which is supported on a combined spring element/shock absorber element 4, forms the center support.
Fig. 8 presents an embodiment of the invention wherein the tip support 3 is installed in the same manner as in the other various alternatives of the invention. Instead of one center support 4, in this embodiment there are two center supports 4, both of which are formed from the combined spring element/shock absorber element.
In this case one of the center supports is disposed closer to the front part of the runner and the other closer to the rear part of the runner.
What is therefore essential in the invention is a tip support 3 that is hinged in a fixed manner, which tip support is installed between the mounting rod of the sledge 1 and the tip of the runner 2. The phrase hinged in a fixed manner means that the tip support is hinged so as to turn around a transverse axis, but not in a way that allows sliding.
It is also essential that at least one center support 4, in addition to the tip support 3, is between the sledge 1 and the runner 2. Each center support is hinged in a fixed manner at both its ends. If there is more than one center support, they are separate, i.e. they are not connected to each other at any point.
It is obvious to the person skilled in the art that the invention is not limited to the embodiments described above, but that it can be varied within the scope of the claims presented below.
The characteristic features possibly presented in the description in conjunction with other characteristic features can also, if necessary, be used separately to each other.
Date Recue/Date Received 2022-07-11
Fig. 7 shows a solution according to the invention, wherein the springing of the center support is implemented in a different manner than in the preceding embodiment. A lever mechanism, which is supported on a combined spring element/shock absorber element 4, forms the center support.
Fig. 8 presents an embodiment of the invention wherein the tip support 3 is installed in the same manner as in the other various alternatives of the invention. Instead of one center support 4, in this embodiment there are two center supports 4, both of which are formed from the combined spring element/shock absorber element.
In this case one of the center supports is disposed closer to the front part of the runner and the other closer to the rear part of the runner.
What is therefore essential in the invention is a tip support 3 that is hinged in a fixed manner, which tip support is installed between the mounting rod of the sledge 1 and the tip of the runner 2. The phrase hinged in a fixed manner means that the tip support is hinged so as to turn around a transverse axis, but not in a way that allows sliding.
It is also essential that at least one center support 4, in addition to the tip support 3, is between the sledge 1 and the runner 2. Each center support is hinged in a fixed manner at both its ends. If there is more than one center support, they are separate, i.e. they are not connected to each other at any point.
It is obvious to the person skilled in the art that the invention is not limited to the embodiments described above, but that it can be varied within the scope of the claims presented below.
The characteristic features possibly presented in the description in conjunction with other characteristic features can also, if necessary, be used separately to each other.
Date Recue/Date Received 2022-07-11
Claims (6)
1. System for mounting a runner on a vehicle sliding on runners so that a tip of the runner is connected to the vehicle and at least one other point of the runner is connected to the vehicle, the system comprising:
a rigid tip support; and at least one center support, wherein the rigid tip support has a first end for pivotable attachment to the tip of the runner and a second end for pivotable attachment to the vehicle, and wherein the at least one center support has a first end for pivotable attachment to the at least one other point of the runner and a second end for pivotable attachment to the vehicle.
a rigid tip support; and at least one center support, wherein the rigid tip support has a first end for pivotable attachment to the tip of the runner and a second end for pivotable attachment to the vehicle, and wherein the at least one center support has a first end for pivotable attachment to the at least one other point of the runner and a second end for pivotable attachment to the vehicle.
2. The system of claim 1, wherein an element that functions as a spring and as a shock absorber forms the at least one center support.
3. The system of claim 2, wherein the at least one center support is formed from two rods hinged to each other and wherein the element is installed between the two rods.
4. The system of claim 1, wherein the at least one center support comprises two center supports and wherein each of the two center supports is formed from an element that functions as a spring and as a shock absorber.
5. The system of any one of claims 1 to 4, wherein the vehicle is a sledge.
6. The system of claim 5, wherein the sledge is able to function as a trailer on snow.
Date Recue/Date Received 2022-07-11
Date Recue/Date Received 2022-07-11
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20145480A FI126579B (en) | 2014-05-27 | 2014-05-27 | Arrangement for hanging a skid on a sliding vehicle |
| FI20145480 | 2014-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2885119A1 CA2885119A1 (en) | 2015-11-27 |
| CA2885119C true CA2885119C (en) | 2023-03-28 |
Family
ID=54704510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2885119A Active CA2885119C (en) | 2014-05-27 | 2015-03-16 | Arrangement for mounting a runner on a vehicle sliding on runners |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA2885119C (en) |
| FI (1) | FI126579B (en) |
| SE (1) | SE540629C2 (en) |
-
2014
- 2014-05-27 FI FI20145480A patent/FI126579B/en active IP Right Grant
-
2015
- 2015-03-16 CA CA2885119A patent/CA2885119C/en active Active
- 2015-05-18 SE SE1550630A patent/SE540629C2/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI20145480A (en) | 2015-11-28 |
| SE1550630A1 (en) | 2015-11-28 |
| CA2885119A1 (en) | 2015-11-27 |
| SE540629C2 (en) | 2018-10-09 |
| FI126579B (en) | 2017-02-28 |
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