US20040238282A1 - Stick lubricant and applicator - Google Patents
Stick lubricant and applicator Download PDFInfo
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- US20040238282A1 US20040238282A1 US10/812,666 US81266604A US2004238282A1 US 20040238282 A1 US20040238282 A1 US 20040238282A1 US 81266604 A US81266604 A US 81266604A US 2004238282 A1 US2004238282 A1 US 2004238282A1
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- Prior art keywords
- lubricant
- stick
- spring
- face
- channel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K3/00—Wetting or lubricating rails or wheel flanges
- B61K3/02—Apparatus therefor combined with vehicles
Definitions
- the present invention relates to stick lubricants and stick lubricant applicators and more particularly to applicators utilizing constant force springs and the stick lubricants used.
- the present invention is an improved lubricant stick, lubricant stick and spring, lubricator system, etc., depending upon the embodiment.
- a lubricant stick and coiled constant force spring combination for lubricating a surface are present.
- the combination configured for utilization with a lubricant applicator, preferably a lubricant applicator for applying a lubricant to a rail wheel flange.
- the invented combination comprising a lubricant stick and coiled constant force spring.
- the lubricant stick having a stick first end extending to a stick second end.
- the stick first end for contacting the surface to be lubricated.
- the stick second end for cooperating with the constant force spring.
- This spring configured for holding the first end of the stick against the surface to be lubricated.
- the stick second end has a channel for receiving the coiled second end of the spring therein. As such, as the lubricant is expended, the spring coils within the channel applies continuous pressure on the stick to the surface to be lubricated.
- the coiled constant force spring has a spring first end extending to a spring second end.
- the first end preferably comprising an attachment for attaching to a lubricant applicator slide. Through said connection, the spring can be unrolled away there from.
- the portion of the spring, which extends from the spring first end to and including the spring second end, is by default coiled.
- the spring second end being configured for receipt into the channel.
- the lubricant stick When used in the preferred applicator, the lubricant stick is inserted into the applicator and then the spring is attached to the lubricant applicator slide. The slide and the applicator are then slid together. In the process of sliding the slide and the applicator together, the coiled portion of the spring unrolls within the channel, applying a constant force in holding the stick lubricant against the surface to be lubricated.
- FIG. 1 is an environmental perspective view of a lubricant applicator configured to utilize the present invention showing how the applicator is positioned, in proximity to the wheel flange of a locomotive.
- FIG. 2 is an exploded perspective view of the lubricant applicator of FIG. 1, showing how the wheel flange lubricant applicator is attached to the locomotive.
- FIG. 3 is an exploded perspective view of the lubricant applicator of FIG. 1, showing the various parts on the inside of the combination holder and dispenser.
- FIG. 4 is a longitudinal cross section view, taken along line 4 - 4 of FIG. 2, also showing the inside of the combination holder and dispenser of the lubricant applicator of FIG. 1 invention and showing how the applicator is attached to a pre-existing mounting bracket on a rail car.
- FIG. 5 is a perspective view of the lubricant applicator of FIG. 1 when the applicator is attached to a rail car using a pre-existing mounting bracket that also mounts a sand tube to the rail car.
- FIG. 6 is a perspective view of the applicator of FIG. 1 showing how the applicator is attached to a pre-existing mounting bracket on a locomotive.
- the pre-existing mounting bracket was previously used to mount a spray type lubricant applicator to the locomotive.
- FIG. 7 is a perspective view of the lubricant applicator of FIG. 1 showing how the applicator is attached to a railroad truck by a mounting bracket so that the applicator disposes lubricant onto a wheel flange.
- FIG. 8 is a schematic view of an example of a lubricant applicator being used to lubricate heavy-duty chain.
- FIG. 9 is a partial, perspective view of a first embodiment of a lubricant stick of the present invention.
- FIG. 10 is a partial, perspective view of a second embodiment of a lubricant stick of the present invention.
- FIG. 11 is a partial, perspective view of a third embodiment of a lubricant stick of the present invention.
- FIG. 12 is a partial, perspective view of a fourth embodiment of a lubricant stick of the present invention.
- FIG. 13 is a partial, perspective view of a fifth embodiment of a lubricant stick of the present invention.
- FIG. 14 is a partial, perspective view of a sixth embodiment of a lubricant stick of the present invention.
- the present invention is an improved lubricant stick configuration and method of utilizing said lubricant stick.
- a discussion of the utilization of this lubricant stick configuration can best be had through discussion of its use with the preferred type of lubricant applicator. While this disclosure refers specifically to this particular embodiment of lubricant applicator, such reference is not intended to be a limitation of the configuration, the stick itself nor, the manner of applying said lubricant stick to a surface to be lubricated.
- FIG. 1 shown is an environmental perspective view of a typical lubricant applicator showing how the device is positioned in proximity to the wheel flange of a locomotive.
- the lubricant applicator 10 is positioned in proximity to the wheel flange 12 of the locomotive 14 , as seen most clearly in FIG. 2 and as will be described in greater detail hereinafter.
- FIG. 2 shown is an exploded perspective view of the lubricant applicator 10 , showing the example of the lubricant applicator being attached to a locomotive 12 . It is also within the spirit and scope of the invention to mount the lubricant applicator, as shown in any of the hereinafter described examples, to a boxcar or other rail car (not shown).
- the shown lubricant applicator 10 in general, comprises a combination holder and dispenser 16 , having a lubricant, generally in the form of a stick 18 , positioned in the inside 20 of the combination holder and dispenser 16 .
- the combination holder and dispenser 16 is generally a three-sided rectangle, having a top 22 , a bottom 24 , and a first closed side 26 .
- the second side 28 of the combination holder and dispenser 16 forms an open side 30 of the rectangle.
- the rectangle also has a first front open end 32 and a second rear open end 34 .
- FIG. 2 shows an embodiment wherein the lubricant applicator 10 is attached in proximity to wheel flanges 12 in a location that also carries a sand tube 36 , as shown and described in greater detail in reference to FIG. 5.
- FIG. 2 shows a portion of the truck 38 of the locomotive 14 and a suspension spring 40 for the locomotive 14 , as seen in FIG. 1.
- FIG. 3 of the drawings there is shown an exploded perspective view of the lubricant applicator 10 showing the various parts on the inside 20 of the combination holder and dispenser 16 .
- the lubricant is disposed from the same portion of the combination holder and dispenser 16 as the lubricant stick 18 was inserted, in the rear portion 41 of the combination holder and dispenser 16 , by any form of dispensing system 42 .
- the dispensing system 42 pushes lubricant from the rear portion 41 of the combination holder and dispenser 16 out the front portion 43 of the combination holder and dispenser 16 onto a position 44 where lubricant will be disposed. In the example shown in FIG. 2, that position 44 would be on a wheel flange 12 .
- the lubricant applicator 10 uses a constant force system 45 as a dispensing system, as will be described hereinafter with reference to FIG. 4.
- the constant force system 45 as described is only an example of one type of dispensing system 42 , and it is within the spirit and scope of the present invention to be utilized by any other dispensing system 42 .
- a spring holder and slide mechanism 46 slides into a slotted channel 47 in the open side 30 on the second open side 28 of the combination holder and dispenser 16 , the spring holder and slide mechanism 46 thereby forming a fourth side 48 , replacing the open side 30 , of the combination holder and dispenser 16 , as seen most clearly in FIG. 4.
- FIG. 4 of the drawings there is shown a longitudinal cross sectional view, taken along line 4 - 4 of FIG. 2, also showing the inside of the combination holder and dispenser 16 .
- a dispensing system 42 in the form of a constant force system 45 is comprised of a positioning member 56 in the form of the spring holder and slide mechanism 46 that holds a constant force actuator 57 in the form of the constant force spring 49 .
- a locking member 58 in the form of a pin 59 holds the spring holder and slide mechanism 46 and constant force spring 49 at a constant force against the lubricant stick 18 within the combination holder and dispenser 16 .
- the combination holder and dispenser 16 applies new lubricant pushed forward from the rear portion 41 of the combination holder and dispenser 16 and out of the front portion 43 of the combination holder and dispenser 16 .
- the spring holder and slide mechanism 46 has a forward end 60 positioned at the front portion 43 of the combination holder and dispenser 16 and a back end 62 positioned at the rear portion 41 of the combination holder and dispenser 16 .
- a slot 64 at the forward end 60 of the spring holder and slide mechanism 46 allows the constant force spring 49 to be attached to the front portion 43 of the spring holder and slide mechanism 46 .
- the constant force spring 49 has a flat end 66 and a coiled end 68 .
- the lubricant stick 18 has a forward portion 72 and a rearward portion 74 .
- the forward portion 72 of the lubricant stick 18 is configured; to be pushed into the rear portion 64 of the combination holder and dispenser 16 , then the spring holder and slide mechanism 46 is inserted behind the combination holder and dispenser 16 .
- the combination holder and dispenser 16 is never moved from its location and is never removed from its position in proximity to a position 44 where lubricant will be disposed. In the example shown in FIG. 2, the position 44 is on a wheel flange 12 .
- the coiled end 68 of the constant force spring 48 as installed in the spring holder and slide mechanism 46 pushes against the rearward portion 74 of the lubricant stick 18 , preferably at a constant force. It is preferred that the coiled end 68 be received within a spring channel 73 .
- the lubricant stick 18 thereby presses against a position 44 , for example a wheel flange 12 at a constant force in a consistent manner, and applies lubricant to a position 44 or a wheel flange 12 , as seen most clearly in FIG. 2.
- FIG. 9-14 The various shapes of spring channels 73 can be seen in the Figures, specifically FIG. 9-14.
- the rearward portion 74 of the lubricant stick 18 defining a first face 75 opposite a second face 77 .
- FIGS. 3, 4 and 9 shows the definition of a generally rectangular shaped spring channel 73 , extending through both the first face 75 and the second face 77 .
- FIG. 10 shows the definition of a generally semi-cylindrical shaped spring channel 73 .
- FIGS. 11 and 12 show the definition of generally prismatic shaped spring channels 73 .
- FIG. 13 shows the definition of a trapezoidal prismatic/semi-hexagonal shaped spring channel 73 .
- FIG. 9-14 The rearward portion 74 of the lubricant stick 18 defining a first face 75 opposite a second face 77 .
- FIGS. 3, 4 and 9 shows the definition of a generally rectangular shaped spring channel 73 , extending through both the first face 75 and
- the purpose of the spring channel 73 of the present invention is to provide a channel within the rearward portion 74 of the lubricant stick 18 for receiving therein the coiled end of the spring 68 .
- the utilization of such a spring channel thus reduces spring wear and breakage.
- a second benefit of utilizing a channel is in centering the alignment of the spring. By centering the alignment of the spring, the spring applies a constant and regular amount of pressure to the lubricant stick. This increases the uniformity of application of lubricant upon the surface being lubricated.
- the opening 78 is preferably angled so that the combination holder and dispenser 16 can come close to the position 44 or wheel flange 12 without touching it, as seen most clearly in FIGS. 2 and 3.
- an attaching member 80 in the form of a rectangular tube 82 adapted to receive an intermediate variable attaching member 84 for attaching the combination holder and dispenser 16 in proximity to the position 44 or wheel flanges 12 , as seen most clearly in FIGS. 2 and 3.
- the intermediate variable attaching member 84 of such a lubricant applicator can be altered to accommodate a variety of pre-existing mounting members.
- the attaching member 80 has a first portion 85 and a second portion 86 , whereby the first portion 85 slides into the second portion 86 .
- the first portion 85 of the attaching member 80 has a hole 87 and the second portion 86 has a slot 88 .
- a nut and bolt combination 89 is positioned through the hole 87 in the first portion 85 of the attaching member 80 and through to the slot 88 in the second portion 86 to secure and position the attaching member 80 at a desired variable distance relative to the lubricant applicator 10 and its attachment to a locomotive 14 .
- the hole 87 in the first portion 85 of the attaching member 80 is not directly visible in the drawings but is behind the bolt and nut combination 89 .
- Other manners and mechanisms of attachment of the present invention to the railway car/locomotive/machinery are also envisioned.
- the spring holder and slide mechanism 46 is then removed from the combination holder and dispenser 16 , a new lubricant stick 18 is pushed into the combination holder and dispenser 16 , and the spring holder and slide mechanism 46 is then reinserted into the rear portion 41 of the combination holder and dispenser 16 behind the lubricant stick 18 ; the pin 59 is positioned through two holes 90 and 92 in the rear portion 41 of the combination holder and dispenser 16 , thus securing the spring holder and slide mechanism 46 , as seen most clearly in FIG. 3.
- Such a lubricant applicator 10 thereby allows for the fast and easy replacement of a lubricant stick 18 through the second rear portion 41 of the combination holder and dispenser 16 .
- the combination holder and dispenser 16 does not need to be moved or removed from its position on the locomotive or rail car in order to change the lubricant stick 18 .
- a metal ring 94 is attached to the top 96 of the pin 59 .
- a wire 98 having two ends 100 and 102 has its first end 100 attached to the metal ring 94 and its second end 102 securely attached to the u-shaped handle 91 of the spring holder and slide mechanism 46 , holding the spring holder and slide mechanism 46 in place, as seen most clearly in FIG. 3.
- the spring holder and slide mechanism 46 is thereby prevented from accidentally ejecting from the rear portion 41 of the combination holder and dispenser 16 .
- the lubricant applicator 10 as described above has been adapted to attach to a variety of positions in proximity to a position where lubricant will be disposed. It is within the spirit and scope of the invention to attach it to any number of locations or positions. That which is described hereinafter refers to various ways of mounting the lubricant applicator 10 in proximity to a wheel flange 12 , as seen most clearly in FIG. 2. It is to be understood that this description should in no way limit the invention, but is used by way of examples only.
- FIG. 5 of the drawings there is shown a perspective view of another embodiment of a lubricant applicator 10 that is attached in proximity to wheel flanges 12 in a convenient location that also carries mounting hardware 104 for a sand tube 36 .
- Sand tubes 36 take different forms on different types of trains, but in FIG. 5, the sand tube 36 is attached to a generally square shaped mounting opening 106 on the locomotive 14 .
- FIG. 5 In the embodiment as shown in FIG.
- the intermediate variable attaching member 84 in the form of a mounting bracket 108 is attached to the generally square shaped mounting opening 106 for the sand tube 36 , thereby attaching the combination holder and dispenser 16 generally perpendicular to the sand tube 36 and aiming the first front open end 32 of the combination holder and dispenser 16 to dispense lubricant on a wheel flange 12 .
- FIG. 6 of the drawings there is shown a perspective view of the lubricant applicator showing how the applicator is attached to a pre-existing mounting bracket on a locomotive.
- the attaching member 80 attaches the combination holder and dispenser 16 to an intermediate variable attaching member 110 .
- the attaching member 80 in FIG. 6 inserts into a mating rectangular receptacle 112 , unlike the embodiment shown in FIGS. 2 and 3 where the attaching member 80 includes a first 85 and a second portion 86 .
- This pre-existing mounting bracket 114 then can be attached to the intermediate variable attaching member 110 as shown in FIG. 6, such that the combination holder and dispenser 16 is attached to the locomotive 14 in a position where the front portion 43 of the combination holder and dispenser 16 is aimed at a position 44 or wheel flange 12 , as seen most clearly in FIGS. 2 and 5.
- the intermediate variable attaching member 112 in FIG. 6 is therefore different than the intermediate variable attaching member 84 in FIGS. 2 and 3.
- the pre-existing mounting bracket 114 has at least one slot 115 adapted to receiving a nut and bolt combination 116 of the intermediate variable attaching member 110 .
- FIG. 7 of the drawings there is shown a perspective view of the lubricant applicator showing how such an applicator is attached to a railroad truck by a mounting bracket 2 , so that the applicator disposes lubricant onto a position 44 or a wheel flange 12 .
- a lubricant applicator 10 could be attached to any of them and the attachment arrangement as shown in FIG. 7 is an example only.
- the combination holder and dispenser 16 is attached to the truck 38 of a locomotive 14 .
- the combination holder and dispenser can be mounted on the truck of a boxcar or other rail car (not shown).
- FIG. 7 it can be seen that the combination holder and dispenser 16 is attached to the truck 38 of a locomotive 14 .
- the same locking member in the form of a pin that is used in the previously described applications is also used in FIG. 7.
- the mounting bracket is generally a flat, L-shaped configuration, having a slot in the vertical portion of the L-shape that holds the combination holder and dispenser after the combination holder and dispenser is positioned in the slot, the combination holder and dispenser is welded fixedly in place.
- a triangularly shaped brace to reinforce the L-shape and to keep the mounting bracket from bending.
- the horizontal portion of the L-shape is fixedly attached to the bottom of the truck frame of the locomotive.
- FIG. 8 there is shown a schematic view of an example of such a lubricant applicator 10 being used to lubricate heavy-duty chain 136 .
- the lubricant applicator 10 is shown lubricating chain 136 at a position 138 where the chain 136 would be moving under the lubricant applicator 10 in any kind of heavy machinery application.
- alternative applications 140 , 240 there are shown alternative applications 140 , 240 , wherein the lubricant applicator is at a position to lubricate the teeth of a sprocket.
- the attaching member can be attached to any location to position the lubricant applicator where it should be positioned to properly dispose lubricant.
- FIGS. 9-14 shown are various embodiments of stick 18 rearward portions 74 . While these particular embodiments are shown as preferred, other embodiments, shapes, sizes and configurations of rearward portions are also envisioned. This disclosure of embodiments is not intended as being exclusive.
- FIG. 9 shows a rearward portion 74 that is generally U-shaped, defined by a spring channel 73 formed through the second end 71 , the top face 75 and the bottom face 77 . This channel being generally perpendicular to the planes of the top face and bottom face.
- FIG. 10 shows a quarter-cylindrical shaped spring channel 73 defined within the rearward portion 74 , extending through the second end 71 and the top face 75 .
- FIG. 11 shows a triangular prism shaped spring channel 73 defined within the rearward portion 74 , extending through the second end 71 and the top face 75 .
- FIG. 12 shows a triangular prism shaped spring channel 73 defined within the rearward portion 74 , extending through the top face 75 and the bottom face 77 at its joint with the second end 71 .
- FIG. 13 shows a semi-hexagonal shaped spring channel 73 defined within the rearward portion 74 , extending through the top face 75 and the bottom face 77 , generally perpendicular to the planes of the top and bottom faces.
- the shape extending to the end second 71 in a point. Alternatively, this point could be rounded.
- FIG. 14 shows a semi-hexagonal shaped spring channel 73 defined within the rearward portion 74 , extending through the top face 75 and the bottom face 77 , generally perpendicular to the planes of the top and bottom faces.
- the shape extending short of the second end 71 , this short end alternatively could be rounded.
- this spring channel 73 for receiving the coiled end 68 of the spring 49 therein.
- the shape of the spring channel 73 for supporting and generally cradling the spring coiled end therein, thereby reducing spring chatter, which decreases spring wear and breakage.
- the cradling of the spring therein furthermore provides for a more consistent application of spring force to the lubricant stick thereby resulting in a more even application of lubricant to the surface to be lubricated.
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Abstract
An improved lubricant stick for utilization with a constant force spring style stick lubricant applicator for rail wheel flanges. The lubricant stick defining therein a channel for receiving a portion of the constant force spring therein, thereby reducing wear and tear on the constant force spring and providing for a more consistent application of lubricant to the wheel flange.
Description
- This application claims the priority date of the provisional application entitled STICK LUBRICANT AND APPLICATOR filed on May 30, 2003, with Ser. No. 60/474,472, the disclosure of which is incorporated herein.
- 1. Field of the Invention
- The present invention relates to stick lubricants and stick lubricant applicators and more particularly to applicators utilizing constant force springs and the stick lubricants used.
- 2. Background Information
- For many years, there has been a desire to utilize lubricant applicators in numerous applications, particularly involving heavy machinery and/or locomotives. In particular, for over fifty years railroads and transit systems have tried to reduce the destructive wear to wheel flanges that occurs on various cars and parts of the system. Wear is caused when a wheel flange contacts the gauge face of the track when the car is passing through a curve and when the car moves sideways while in a straight or tangent track. Heavier loads also add increased load stress and wheel flange wear.
- In the prior art, the use of grease or oil applied directly to the flange of a wheel, often with a spray, has been unsatisfactory because of major maintenance problems and difficulty in controlling where the grease or oil is applied. To overcome these difficulties, solid stick lubricant applicators with constant force or coiled spring pressure have been used. Such solid stick lubricant applicators using a solid stick of lubricant pressed against the wheel flange through use of contact with said constant force or coiled spring. In one such configuration, the spring physically contacts the lubricant stick.
- One of the problems inherent in the utilization of such an applicator is in vibration of the spring against the stick lubricant as the rail car is in transit. This vibration and rubbing of the spring against the stick lubricant increases the chances that the spring itself will fail. A second problem inherent in the utilization of such an applicator is in obtaining even pressure across the face of the applying end of the stick lubricant against the wheel flange. The more even the pressure, the more even the application of lubricant. Embodiments of the present invention solve these problems.
- The present invention is an improved lubricant stick, lubricant stick and spring, lubricator system, etc., depending upon the embodiment.
- In one embodiment disclosed, a lubricant stick and coiled constant force spring combination for lubricating a surface are present. The combination configured for utilization with a lubricant applicator, preferably a lubricant applicator for applying a lubricant to a rail wheel flange. The invented combination comprising a lubricant stick and coiled constant force spring.
- The lubricant stick having a stick first end extending to a stick second end. The stick first end for contacting the surface to be lubricated. The stick second end for cooperating with the constant force spring. This spring configured for holding the first end of the stick against the surface to be lubricated. The stick second end has a channel for receiving the coiled second end of the spring therein. As such, as the lubricant is expended, the spring coils within the channel applies continuous pressure on the stick to the surface to be lubricated.
- The coiled constant force spring has a spring first end extending to a spring second end. The first end preferably comprising an attachment for attaching to a lubricant applicator slide. Through said connection, the spring can be unrolled away there from. The portion of the spring, which extends from the spring first end to and including the spring second end, is by default coiled. The spring second end being configured for receipt into the channel.
- When used in the preferred applicator, the lubricant stick is inserted into the applicator and then the spring is attached to the lubricant applicator slide. The slide and the applicator are then slid together. In the process of sliding the slide and the applicator together, the coiled portion of the spring unrolls within the channel, applying a constant force in holding the stick lubricant against the surface to be lubricated.
- The purpose of the foregoing Abstract is to enable the United States Patent and Trademark Office and the public generally, and especially the scientists, engineers, and practitioners in the art who are not familiar with patent or legal terms or phraseology, to determine quickly from a cursory inspection, the nature and essence of the technical disclosure of the application. The Abstract is neither intended to define the invention of the application, which is measure by the claims, nor is it intended to be limiting as to the scope of the invention in any way.
- Still other objects and advantages of the present invention will become readily apparent to those skilled in this art from the following detailed description wherein I have shown and described only the preferred embodiment of the invention, simply by way of illustration of the best mode contemplated by carrying out my invention. As will be realized, the invention is capable of modification in various obvious respects, all without departing from the invention. Accordingly, the drawings and description of the preferred embodiment are to be regarded as illustrative in nature, and not as restrictive in nature.
- FIG. 1 is an environmental perspective view of a lubricant applicator configured to utilize the present invention showing how the applicator is positioned, in proximity to the wheel flange of a locomotive.
- FIG. 2 is an exploded perspective view of the lubricant applicator of FIG. 1, showing how the wheel flange lubricant applicator is attached to the locomotive.
- FIG. 3 is an exploded perspective view of the lubricant applicator of FIG. 1, showing the various parts on the inside of the combination holder and dispenser.
- FIG. 4 is a longitudinal cross section view, taken along line4-4 of FIG. 2, also showing the inside of the combination holder and dispenser of the lubricant applicator of FIG. 1 invention and showing how the applicator is attached to a pre-existing mounting bracket on a rail car.
- FIG. 5 is a perspective view of the lubricant applicator of FIG. 1 when the applicator is attached to a rail car using a pre-existing mounting bracket that also mounts a sand tube to the rail car.
- FIG. 6 is a perspective view of the applicator of FIG. 1 showing how the applicator is attached to a pre-existing mounting bracket on a locomotive. In the embodiment shown in FIG. 6, the pre-existing mounting bracket was previously used to mount a spray type lubricant applicator to the locomotive.
- FIG. 7 is a perspective view of the lubricant applicator of FIG. 1 showing how the applicator is attached to a railroad truck by a mounting bracket so that the applicator disposes lubricant onto a wheel flange.
- FIG. 8 is a schematic view of an example of a lubricant applicator being used to lubricate heavy-duty chain.
- FIG. 9 is a partial, perspective view of a first embodiment of a lubricant stick of the present invention.
- FIG. 10 is a partial, perspective view of a second embodiment of a lubricant stick of the present invention.
- FIG. 11 is a partial, perspective view of a third embodiment of a lubricant stick of the present invention.
- FIG. 12 is a partial, perspective view of a fourth embodiment of a lubricant stick of the present invention.
- FIG. 13 is a partial, perspective view of a fifth embodiment of a lubricant stick of the present invention.
- FIG. 14 is a partial, perspective view of a sixth embodiment of a lubricant stick of the present invention.
- While the invention is susceptible of various modifications and alternative constructions, certain illustrated embodiments thereof have been shown in the drawings and will be described below in detail. It should be understood, however, that there is no intention to limit the invention to the specific form disclosed, but, on the contrary, the invention is to cover all modifications, alternative constructions, and equivalents falling within the spirit and scope of the invention as defined in the claims.
- The present invention is an improved lubricant stick configuration and method of utilizing said lubricant stick. A discussion of the utilization of this lubricant stick configuration can best be had through discussion of its use with the preferred type of lubricant applicator. While this disclosure refers specifically to this particular embodiment of lubricant applicator, such reference is not intended to be a limitation of the configuration, the stick itself nor, the manner of applying said lubricant stick to a surface to be lubricated. Nor is this specific disclosure (the lubrication of rail wheel flanges on rail cars and/or locomotives) intended to be a limitation on the intended application or use of the present invention, in that the present invention can be utilized to apply a lubricant or other substance to other types of surfaces, including but not limited to the application of a lubricant to crane wheels and logging drag chains.
- Referring initially to FIG. 1, shown is an environmental perspective view of a typical lubricant applicator showing how the device is positioned in proximity to the wheel flange of a locomotive. The
lubricant applicator 10 is positioned in proximity to thewheel flange 12 of the locomotive 14, as seen most clearly in FIG. 2 and as will be described in greater detail hereinafter. - Referring now to FIG. 2, shown is an exploded perspective view of the
lubricant applicator 10, showing the example of the lubricant applicator being attached to a locomotive 12. It is also within the spirit and scope of the invention to mount the lubricant applicator, as shown in any of the hereinafter described examples, to a boxcar or other rail car (not shown). - The shown
lubricant applicator 10 in general, comprises a combination holder anddispenser 16, having a lubricant, generally in the form of astick 18, positioned in the inside 20 of the combination holder anddispenser 16. The combination holder anddispenser 16 is generally a three-sided rectangle, having a top 22, a bottom 24, and a firstclosed side 26. Thesecond side 28 of the combination holder anddispenser 16 forms anopen side 30 of the rectangle. The rectangle also has a first frontopen end 32 and a second rearopen end 34. - FIG. 2 shows an embodiment wherein the
lubricant applicator 10 is attached in proximity towheel flanges 12 in a location that also carries asand tube 36, as shown and described in greater detail in reference to FIG. 5. FIG. 2 shows a portion of thetruck 38 of the locomotive 14 and asuspension spring 40 for the locomotive 14, as seen in FIG. 1. - Referring now to FIG. 3 of the drawings, there is shown an exploded perspective view of the
lubricant applicator 10 showing the various parts on the inside 20 of the combination holder anddispenser 16. In the applicator shown, the lubricant is disposed from the same portion of the combination holder anddispenser 16 as thelubricant stick 18 was inserted, in therear portion 41 of the combination holder anddispenser 16, by any form of dispensingsystem 42. The dispensingsystem 42 pushes lubricant from therear portion 41 of the combination holder anddispenser 16 out thefront portion 43 of the combination holder anddispenser 16 onto aposition 44 where lubricant will be disposed. In the example shown in FIG. 2, thatposition 44 would be on awheel flange 12. - The
lubricant applicator 10 uses aconstant force system 45 as a dispensing system, as will be described hereinafter with reference to FIG. 4. Theconstant force system 45 as described is only an example of one type of dispensingsystem 42, and it is within the spirit and scope of the present invention to be utilized by anyother dispensing system 42. A spring holder andslide mechanism 46 slides into a slottedchannel 47 in theopen side 30 on the secondopen side 28 of the combination holder anddispenser 16, the spring holder andslide mechanism 46 thereby forming afourth side 48, replacing theopen side 30, of the combination holder anddispenser 16, as seen most clearly in FIG. 4. - The spring holder and
slide mechanism 46 and theconstant force spring 49 sit in thechannel 47 on the secondopen side 30 of the combination holder anddispenser 16. Thus, when theconstant force spring 49 is unrolled, it sits in thechannel 47 and does not come in contact with thesides lubricant stick 18, as seen in FIG. 4. This prevents thelubricant stick 18 from rubbing against theside 54 of theconstant force spring 49, also as seen most clearly in FIG. 4, thereby avoiding the premature breaking of thespring 49. - Referring now to FIG. 4 of the drawings there is shown a longitudinal cross sectional view, taken along line4-4 of FIG. 2, also showing the inside of the combination holder and
dispenser 16. In FIG. 4 it can be seen that in general, a dispensingsystem 42 in the form of aconstant force system 45 is comprised of a positioningmember 56 in the form of the spring holder andslide mechanism 46 that holds aconstant force actuator 57 in the form of theconstant force spring 49. A lockingmember 58 in the form of apin 59 holds the spring holder andslide mechanism 46 andconstant force spring 49 at a constant force against thelubricant stick 18 within the combination holder anddispenser 16. In this way, the combination holder anddispenser 16 applies new lubricant pushed forward from therear portion 41 of the combination holder anddispenser 16 and out of thefront portion 43 of the combination holder anddispenser 16. - The spring holder and
slide mechanism 46 has aforward end 60 positioned at thefront portion 43 of the combination holder anddispenser 16 and aback end 62 positioned at therear portion 41 of the combination holder anddispenser 16. Aslot 64 at theforward end 60 of the spring holder andslide mechanism 46 allows theconstant force spring 49 to be attached to thefront portion 43 of the spring holder andslide mechanism 46. Theconstant force spring 49 has aflat end 66 and acoiled end 68. At theflat end 66 of theconstant force spring 49 there is atab 70, thetab 70 being inserted into theslot 64 on theforward end 43 of the spring holder andslide mechanism 46 to thereby attach theconstant force spring 49 to the spring holder andslide mechanism 46 before the spring holder andslide mechanism 46 is inserted into the combination holder anddispenser 16. - Referring to FIG. 4, the
lubricant stick 18 has aforward portion 72 and arearward portion 74. Theforward portion 72 of thelubricant stick 18 is configured; to be pushed into therear portion 64 of the combination holder anddispenser 16, then the spring holder andslide mechanism 46 is inserted behind the combination holder anddispenser 16. The combination holder anddispenser 16, is never moved from its location and is never removed from its position in proximity to aposition 44 where lubricant will be disposed. In the example shown in FIG. 2, theposition 44 is on awheel flange 12. - Referring back to FIG. 4, the
coiled end 68 of theconstant force spring 48 as installed in the spring holder andslide mechanism 46 pushes against therearward portion 74 of thelubricant stick 18, preferably at a constant force. It is preferred that thecoiled end 68 be received within aspring channel 73. Thelubricant stick 18 thereby presses against aposition 44, for example awheel flange 12 at a constant force in a consistent manner, and applies lubricant to aposition 44 or awheel flange 12, as seen most clearly in FIG. 2. - The various shapes of
spring channels 73 can be seen in the Figures, specifically FIG. 9-14. Therearward portion 74 of thelubricant stick 18 defining afirst face 75 opposite asecond face 77. FIGS. 3, 4 and 9 shows the definition of a generally rectangular shapedspring channel 73, extending through both thefirst face 75 and thesecond face 77. FIG. 10 shows the definition of a generally semi-cylindrical shapedspring channel 73. FIGS. 11 and 12 show the definition of generally prismatic shapedspring channels 73. FIG. 13 shows the definition of a trapezoidal prismatic/semi-hexagonal shapedspring channel 73. FIG. 14 showing aspring channel 73 shaped similar to the shape shown in FIG. 13. Other embodiments are also envisioned as part of the disclosure of this application, including but not limited to arcing or rounding the corners shown in the aforementioned figures. The variety shown in these embodiments clarifying the fact that many different types and styles of channels formed or defined within therearward portion 74 of thelubricant stick 18 of the present invention are considered within the present invention. These examples intended as illustrative, but not exclusive. - The purpose of the
spring channel 73 of the present invention is to provide a channel within therearward portion 74 of thelubricant stick 18 for receiving therein the coiled end of thespring 68. By receiving the coiled end therein, movement of the spring perpendicular to the length of the spring is limited, thereby reducing side-to-side movement of the spring in use and the resulting wear upon the spring. The utilization of such a spring channel thus reduces spring wear and breakage. A second benefit of utilizing a channel is in centering the alignment of the spring. By centering the alignment of the spring, the spring applies a constant and regular amount of pressure to the lubricant stick. This increases the uniformity of application of lubricant upon the surface being lubricated. - Preferably, in the first
closed side 26 of the combination holder anddispenser 16, in proximity to thefront portion 43 of the combination holder anddispenser 16 there is awindow 76 in theside 26 of the combination holder anddispenser 16 that allows a maintenance person to see how much of thelubricant stick 18 remains, as seen in FIG. 3. At thefront portion 43 of the combination holder anddispenser 16, theopening 78 is preferably angled so that the combination holder anddispenser 16 can come close to theposition 44 orwheel flange 12 without touching it, as seen most clearly in FIGS. 2 and 3. - Preferably, positioned at the second
open side 30 of the combination holder anddispenser 16 is an attachingmember 80 in the form of arectangular tube 82 adapted to receive an intermediatevariable attaching member 84 for attaching the combination holder anddispenser 16 in proximity to theposition 44 orwheel flanges 12, as seen most clearly in FIGS. 2 and 3. With minor modifications the intermediatevariable attaching member 84 of such a lubricant applicator can be altered to accommodate a variety of pre-existing mounting members. - As seen in FIG. 3, the attaching
member 80 has afirst portion 85 and asecond portion 86, whereby thefirst portion 85 slides into thesecond portion 86. Thefirst portion 85 of the attachingmember 80 has ahole 87 and thesecond portion 86 has aslot 88. A nut andbolt combination 89 is positioned through thehole 87 in thefirst portion 85 of the attachingmember 80 and through to theslot 88 in thesecond portion 86 to secure and position the attachingmember 80 at a desired variable distance relative to thelubricant applicator 10 and its attachment to a locomotive 14. Thehole 87 in thefirst portion 85 of the attachingmember 80 is not directly visible in the drawings but is behind the bolt andnut combination 89. Other manners and mechanisms of attachment of the present invention to the railway car/locomotive/machinery are also envisioned. - In operation then, when it is desirable to change the
lubricant stick 18 on such a wheelflange lubricant applicator 10, thepin 59 is removed, theu-shaped handle 91 of the spring holder andslide mechanism 46 is pulled backward from the secondrear end 62 of the combination holder anddispenser 16, as seen most clearly in FIG. 4. As the spring holder andslide mechanism 46 is pulled backwards from therear portion 41 of the combination holder anddispenser 16, theflat end 66 of thecoil spring 49 is rolled back up into a coiled position and pulled backward also. The spring holder andslide mechanism 46 is then removed from the combination holder anddispenser 16, anew lubricant stick 18 is pushed into the combination holder anddispenser 16, and the spring holder andslide mechanism 46 is then reinserted into therear portion 41 of the combination holder anddispenser 16 behind thelubricant stick 18; thepin 59 is positioned through twoholes rear portion 41 of the combination holder anddispenser 16, thus securing the spring holder andslide mechanism 46, as seen most clearly in FIG. 3. - Such a
lubricant applicator 10 thereby allows for the fast and easy replacement of alubricant stick 18 through the secondrear portion 41 of the combination holder anddispenser 16. Thus, the combination holder anddispenser 16 does not need to be moved or removed from its position on the locomotive or rail car in order to change thelubricant stick 18. - While it is somewhat unlikely to occur, if the uncoiled
constant force spring 49 tends to coil back up, it is possible that the spring holder andslide mechanism 46 could accidentally eject out of the secondrear portion 41 of the combination holder anddispenser 16. In order to avoid this, ametal ring 94 is attached to the top 96 of thepin 59. Awire 98 having twoends first end 100 attached to themetal ring 94 and itssecond end 102 securely attached to theu-shaped handle 91 of the spring holder andslide mechanism 46, holding the spring holder andslide mechanism 46 in place, as seen most clearly in FIG. 3. The spring holder andslide mechanism 46 is thereby prevented from accidentally ejecting from therear portion 41 of the combination holder anddispenser 16. - The
lubricant applicator 10 as described above has been adapted to attach to a variety of positions in proximity to a position where lubricant will be disposed. It is within the spirit and scope of the invention to attach it to any number of locations or positions. That which is described hereinafter refers to various ways of mounting thelubricant applicator 10 in proximity to awheel flange 12, as seen most clearly in FIG. 2. It is to be understood that this description should in no way limit the invention, but is used by way of examples only. - Referring now to FIG. 5 of the drawings, there is shown a perspective view of another embodiment of a
lubricant applicator 10 that is attached in proximity towheel flanges 12 in a convenient location that also carries mountinghardware 104 for asand tube 36.Sand tubes 36 take different forms on different types of trains, but in FIG. 5, thesand tube 36 is attached to a generally square shaped mountingopening 106 on the locomotive 14. In the embodiment as shown in FIG. 5, the intermediatevariable attaching member 84 in the form of a mountingbracket 108, is attached to the generally square shaped mountingopening 106 for thesand tube 36, thereby attaching the combination holder anddispenser 16 generally perpendicular to thesand tube 36 and aiming the first frontopen end 32 of the combination holder anddispenser 16 to dispense lubricant on awheel flange 12. - Referring now to FIG. 6 of the drawings, there is shown a perspective view of the lubricant applicator showing how the applicator is attached to a pre-existing mounting bracket on a locomotive. The attaching
member 80 attaches the combination holder anddispenser 16 to an intermediatevariable attaching member 110. The attachingmember 80 in FIG. 6 inserts into a matingrectangular receptacle 112, unlike the embodiment shown in FIGS. 2 and 3 where the attachingmember 80 includes a first 85 and asecond portion 86. - It is also within the spirit and scope of the applicator shown in FIG. 6 to have the attaching
member 80 and thereceptacle 112 as an integral one piece unit since it is unnecessary to remove the attachingmember 80 from thereceptacle 112 or from apre-existing mounting bracket 114 when thelubricant stick 18 is being replaced through therear portion 41 of the combination holder anddispenser 16. In the prior art, lubricant applicators that sprayed lubricant onto thewheel flanges 12, were used. These spray-on lubricants were attached to the locomotive 14 with apre-existing mounting bracket 114, as seen in FIG. 6. This pre-existing mountingbracket 114 then can be attached to the intermediatevariable attaching member 110 as shown in FIG. 6, such that the combination holder anddispenser 16 is attached to the locomotive 14 in a position where thefront portion 43 of the combination holder anddispenser 16 is aimed at aposition 44 orwheel flange 12, as seen most clearly in FIGS. 2 and 5. The intermediatevariable attaching member 112 in FIG. 6 is therefore different than the intermediatevariable attaching member 84 in FIGS. 2 and 3. - If it is desired to attach a combination holder and
dispenser 16 as seen in FIG. 6 and there is nopre-existing mounting bracket 114, a similar mounting bracket can be installed on the locomotive 14, as seen in FIG. 1, thenew mounting bracket 112 would be adapted to receive the intermediatevariable attaching member 110. In FIG. 6 it can be seen that thepre-existing mounting bracket 114 has at least oneslot 115 adapted to receiving a nut andbolt combination 116 of the intermediatevariable attaching member 110. - Referring now to FIG. 7 of the drawings, there is shown a perspective view of the lubricant applicator showing how such an applicator is attached to a railroad truck by a mounting
bracket 2, so that the applicator disposes lubricant onto aposition 44 or awheel flange 12. There are many different types of train trucks. Such alubricant applicator 10 could be attached to any of them and the attachment arrangement as shown in FIG. 7 is an example only. In the example shown in FIG. 7 the combination holder anddispenser 16 is attached to thetruck 38 of a locomotive 14. - As with the other examples, the combination holder and dispenser can be mounted on the truck of a boxcar or other rail car (not shown). In FIG. 7 it can be seen that the combination holder and
dispenser 16 is attached to thetruck 38 of a locomotive 14. The same locking member in the form of a pin that is used in the previously described applications is also used in FIG. 7. The mounting bracket is generally a flat, L-shaped configuration, having a slot in the vertical portion of the L-shape that holds the combination holder and dispenser after the combination holder and dispenser is positioned in the slot, the combination holder and dispenser is welded fixedly in place. Within the right angle of the L-shape there is positioned a triangularly shaped brace to reinforce the L-shape and to keep the mounting bracket from bending. The horizontal portion of the L-shape is fixedly attached to the bottom of the truck frame of the locomotive. - Referring now to FIG. 8 there is shown a schematic view of an example of such a
lubricant applicator 10 being used to lubricate heavy-duty chain 136. Thelubricant applicator 10 is shown lubricatingchain 136 at aposition 138 where thechain 136 would be moving under thelubricant applicator 10 in any kind of heavy machinery application. Also, in FIG. 8, in dashed lines, there are shownalternative applications - Referring now to FIGS. 9-14, shown are various embodiments of
stick 18rearward portions 74. While these particular embodiments are shown as preferred, other embodiments, shapes, sizes and configurations of rearward portions are also envisioned. This disclosure of embodiments is not intended as being exclusive. - FIG. 9 shows a
rearward portion 74 that is generally U-shaped, defined by aspring channel 73 formed through thesecond end 71, thetop face 75 and thebottom face 77. This channel being generally perpendicular to the planes of the top face and bottom face. - FIG. 10 shows a quarter-cylindrical shaped
spring channel 73 defined within therearward portion 74, extending through thesecond end 71 and thetop face 75. - FIG. 11 shows a triangular prism shaped
spring channel 73 defined within therearward portion 74, extending through thesecond end 71 and thetop face 75. - FIG. 12 shows a triangular prism shaped
spring channel 73 defined within therearward portion 74, extending through thetop face 75 and thebottom face 77 at its joint with thesecond end 71. - FIG. 13 shows a semi-hexagonal shaped
spring channel 73 defined within therearward portion 74, extending through thetop face 75 and thebottom face 77, generally perpendicular to the planes of the top and bottom faces. The shape extending to the end second 71 in a point. Alternatively, this point could be rounded. - FIG. 14 shows a semi-hexagonal shaped
spring channel 73 defined within therearward portion 74, extending through thetop face 75 and thebottom face 77, generally perpendicular to the planes of the top and bottom faces. The shape extending short of thesecond end 71, this short end alternatively could be rounded. - Again, this
spring channel 73 for receiving thecoiled end 68 of thespring 49 therein. The shape of thespring channel 73 for supporting and generally cradling the spring coiled end therein, thereby reducing spring chatter, which decreases spring wear and breakage. The cradling of the spring therein furthermore provides for a more consistent application of spring force to the lubricant stick thereby resulting in a more even application of lubricant to the surface to be lubricated. - While there is shown and described the present preferred embodiment of the invention, it is to be distinctly understood that this invention is not limited thereto, but may be variously embodied to practice within the scope of the following claims. From the foregoing description, it will be apparent that various changes may be made without departing from the spirit and scope of the invention as defined by the following claims.
Claims (12)
1. A right rectangular parallelepiped lubricant stick, said stick having a first end extending to second end, said first end for contacting a surface to be lubricated, said second end for contacting a spring of a lubricant applicator, said spring for holding said first end against said surface to be lubricated, said spring comprising a first portion extending to a coiled second portion, said first portion configured to attachment to said lubricant applicator, wherein said second end defines therein a channel for receiving at least a portion of said coiled second portion.
2. The lubricant stick of claim 1 , wherein said right rectangular parallelepiped lubricant stick further having a first face opposite a second face.
3. The lubricant stick of claim 2 , wherein said channel is generally right rectangular parallelepiped shaped, extending through both said first face and said second face.
4. The lubricant stick of claim 2 , wherein said channel is generally semi-cylindrical in shape, extending through said first face and said second end.
5. The lubricant stick of claim 2 , wherein said channel is generally prismatic in shape, extending through said first face and said second end.
6. The lubricant stick of claim 2 , wherein said channel is generally semi-hexagonal in shape, extending through said first face, said second face and said second end.
7. A lubricant stick and coiled constant force spring combination for lubricating a surface, said combination configured for utilization with a lubricant applicator, said spring having a coiled portion, said combination comprising:
a lubricant stick having a stick first end extending to a stick second end, said stick first end, for contacting said surface, said stick first end extending to a stick second end, said stick, second end for cooperating with a constant force spring, said stick second end defining a channel for receiving the coiled second end of said spring therein, said wherein when said coiled constant force spring is uncoiled, said remaining coil is held within said channel, thereby applying a constant force holding said stick upon said surface to be lubricated; a coiled constant force spring, said spring having a spring first end extending to a spring second end, said first end comprising an attachment for attaching to said lubricator, the portion of said spring extending from said spring first end to said spring second end coiled, said coiled spring second end configured for receipt into said channel; and wherein as said lubricant stick is dispensed via said lubricant applicator said lubricant stick shortens and said spring coils thereby applying a constant force holding said lubricant stick first end against said surface.
8. The lubricant stick of claim 7 , wherein said lubricant stick further having a first face opposite a second face.
9. The lubricant stick of claim 8 , wherein said channel is generally right rectangular parallelepiped shaped, extending through both said first face and said second face.
10. The lubricant stick of claim 8 , wherein said channel is generally semi-cylindrical in shape, extending through said first face and said second end.
11. The lubricant stick of claim 8 , wherein said channel is generally prismatic in shape, extending through said first face and said second end.
12. The lubricant stick of claim 8 , wherein said channel is generally semi-hexagonal in shape, extending through said first face, said second face and said second end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/812,666 US20040238282A1 (en) | 2003-05-30 | 2004-03-29 | Stick lubricant and applicator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US47447203P | 2003-05-30 | 2003-05-30 | |
US10/812,666 US20040238282A1 (en) | 2003-05-30 | 2004-03-29 | Stick lubricant and applicator |
Publications (1)
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US20040238282A1 true US20040238282A1 (en) | 2004-12-02 |
Family
ID=33457595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/812,666 Abandoned US20040238282A1 (en) | 2003-05-30 | 2004-03-29 | Stick lubricant and applicator |
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US (1) | US20040238282A1 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060048999A1 (en) * | 2004-09-08 | 2006-03-09 | Kelsan Technologies Corp. | Solid composition stick applicator |
US20060054403A1 (en) * | 2004-07-07 | 2006-03-16 | Phymet, Inc. | Wheel flange lubrication system |
WO2006116877A1 (en) * | 2005-05-04 | 2006-11-09 | Kelsan Technologies Corp. | Modified interlocking solid stick |
US20110203875A1 (en) * | 2010-02-22 | 2011-08-25 | Mitrovich Michael J | Method and Apparatus for Applying Variable Rates of Solid Stick Lubricant |
US20120037455A1 (en) * | 2009-02-23 | 2012-02-16 | Auto Invent | Lubricant applicator for a wheel of a trackbound vehicle |
CN105605396A (en) * | 2016-01-25 | 2016-05-25 | 浙江宝晟铁路新材料科技有限公司 | Solid lubricator |
EP3056456A1 (en) * | 2015-02-12 | 2016-08-17 | Eisenmann SE | Lubrication device for a rail-based conveyor system and conveyor system |
US20180163921A1 (en) * | 2016-12-12 | 2018-06-14 | Skf Lubrication Systems Germany Gmbh | Lubricant applicator |
USD864269S1 (en) | 2017-11-30 | 2019-10-22 | Mpl Innovations, Inc. | Lubricant stick |
USD872151S1 (en) | 2017-11-30 | 2020-01-07 | Mpl Innovations, Inc. | Lubricant stick |
USD873319S1 (en) | 2017-11-30 | 2020-01-21 | Mpl Innovations, Inc. | Lubricant stick |
US10844947B2 (en) | 2016-12-12 | 2020-11-24 | Skf Lubrication Systems Germany Gmbh | Gear lubricant line device |
US10900559B2 (en) * | 2018-05-31 | 2021-01-26 | James Zaguroli, Jr. | Automatic lubrication arrangement for a hoist |
CN113830131A (en) * | 2021-10-12 | 2021-12-24 | 中车大同电力机车有限公司 | Positioning device |
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