US600911A - Warren h - Google Patents
Warren h Download PDFInfo
- Publication number
- US600911A US600911A US600911DA US600911A US 600911 A US600911 A US 600911A US 600911D A US600911D A US 600911DA US 600911 A US600911 A US 600911A
- Authority
- US
- United States
- Prior art keywords
- case
- wheel
- rim
- chain
- metal
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 210000001578 Tight Junctions Anatomy 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 239000011499 joint compound Substances 0.000 description 2
- 230000002093 peripheral Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J13/00—Guards for chain, chain drive or equivalent drive, e.g. belt drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J13/00—Guards for chain, chain drive or equivalent drive, e.g. belt drive
- B62J13/04—Guards for chain, chain drive or equivalent drive, e.g. belt drive completely enclosing the chain drive or the like
Definitions
- My invention is an improvement in cases for covering the gearing of wheeled vehicles, such as bicycles, where sprocket-wheels and a sprocket-chain are usually employed.
- the object of my invention is to provide a cheap and efficient means for excluding dust, mud, and Water from the driving-gear, to prevent the rattling of the chain when slack, and to provide for changing gear-wheels from one size to another in cases having separate covers for the portions or runs of the chain extending between the wheels. 7
- I provide a case for each wheel and for each chain-run.
- I provide a rim-cover of rigid material, as metal, having upturned edges to receive the edges of the side walls, which consist of soft elastic rubber, having edges formed to engage the upturned edges of the said rim and to be held in position by virtue of their elasticity.
- the case for the smaller Wheel has a rim of si1nilar rigid material, as metal, and an outside wall of metal, preferably in one piece with the rim. This rim has a similar upturned edge formed to receive and engage with the edge of a soft elastic rubber disk or wall completing the inclosing case. Both cases may have one side wall of metal, or both side walls may be of soft elastic rubber, as described.
- the rims are to be suitably supported by rigid connections to the frame of the vehicle and are suitably perforated for the passage of the chain.
- the cases for each chain-run are of metal, lined with a woven cotton fabric, such as canvas or ducking.
- Each section of chaincase is gradually broadened as it approaches its junction with the larger gear-wheel case, so as to provide for changing from a wheel of one size to that of a different diameter without necessarily changing the chain-case or the wheel-case.
- Figure 1 is a complete View of my improved gear-case in position.
- Fig. 2 is a sectional view of the case inclosing the rear or smaller sprocket-wheel.
- Fig. 3 is a similar View of the case for the larger or front sprocket-wheel.
- Fig. 4 is a sectional View of the telescopic junction between the chain-case and wheelcase and the lining for the chain-case.
- the case for both wheels is composed in part of a metal or other similar rim R, having a grooved edge 9.
- the smaller wheel w, Fig. 2 has the rim It made integral with an exterior wall of metal m, which is held against rotation.
- the interior wall of this case r is perforated at its center and is composed of soft elastic rubber.
- the periphery is thickened slightly and turned, as shown at e, so as to engage the groove 9 and hold its position by virtue of its elastic nature.
- the wheel w and its hub h turn in the central perforation in the rubber disk 7, which makes a flexible dust and water tight junction therewith.
- each chain-case 0 forms a telescopic junction 25 with the projections from the rim R, forming part of the case for the rear wheel to.
- the cases cfor the chain 0 are lined with a woven cotton fabric f, such as canvas or ducking, cemented to the interior Wall of the said casing c or fastened thereto in any suitable manner. I have found that this material is greatly superior to an unwoven or felted fabric. It does not readily disintegrate and prevents the clatter due to a slack chain dropping upon the interior Wall of the case.
- a woven cotton fabric f such as canvas or ducking
- the described case for the gearing is extremely light, effectively excludes dust and mud, and provides the utmost ease of access to the inclosed parts.
- a gear-Wheelof a case therefor composed of a rigid rim or peripheral covering, suitably perforated for the driving connection, having an upturned edge to engage a side Wall, a side Wall of soft elastic rubber having its edge contracted upon the edge of said rim, and a second disk or side Wall completing the inclosure, substantially as described.
Description
(No Model.)
W. H. FROST. CASE FOR DRIVING GEAR.
No 600,911. Patented Mar. 22,1898.
Witwmy XOM W VARREN H. FROST, OF NE\V YORK, N. Y.
CASE FOR DRlVlNG GEAR.
SPECIFICATION forming part of Letters Patent No. 600,911, dated March 22, 1898. Application filed April 8, 1897. erial No. 631,239. (No model.)
To ctZZ whom it may concern.-
Be it known that I, WARREN H. FROST, a citizen of the United States, and a resident of New York, in the county and State of New York, have made certain new and useful Improvements in Cases for Driving- Gear of Wheeled Vehicles, of which the following is a specification.
My invention is an improvement in cases for covering the gearing of wheeled vehicles, such as bicycles, where sprocket-wheels and a sprocket-chain are usually employed.
The object of my invention is to provide a cheap and efficient means for excluding dust, mud, and Water from the driving-gear, to prevent the rattling of the chain when slack, and to provide for changing gear-wheels from one size to another in cases having separate covers for the portions or runs of the chain extending between the wheels. 7
I provide a case for each wheel and for each chain-run. For the larger wheel I provide a rim-cover of rigid material, as metal, having upturned edges to receive the edges of the side walls, which consist of soft elastic rubber, having edges formed to engage the upturned edges of the said rim and to be held in position by virtue of their elasticity. The case for the smaller Wheel has a rim of si1nilar rigid material, as metal, and an outside wall of metal, preferably in one piece with the rim. This rim has a similar upturned edge formed to receive and engage with the edge of a soft elastic rubber disk or wall completing the inclosing case. Both cases may have one side wall of metal, or both side walls may be of soft elastic rubber, as described. The rims are to be suitably supported by rigid connections to the frame of the vehicle and are suitably perforated for the passage of the chain. The cases for each chain-run are of metal, lined with a woven cotton fabric, such as canvas or ducking. Each section of chaincase is gradually broadened as it approaches its junction with the larger gear-wheel case, so as to provide for changing from a wheel of one size to that of a different diameter without necessarily changing the chain-case or the wheel-case.
The accompanying drawings illustrate my invention.
Figure 1 is a complete View of my improved gear-case in position. Fig. 2 is a sectional view of the case inclosing the rear or smaller sprocket-wheel. Fig. 3 is a similar View of the case for the larger or front sprocket-wheel. Fig. 4 is a sectional View of the telescopic junction between the chain-case and wheelcase and the lining for the chain-case.
The case for both wheels is composed in part of a metal or other similar rim R, having a grooved edge 9. The smaller wheel w, Fig. 2, has the rim It made integral with an exterior wall of metal m, which is held against rotation. The interior wall of this case r is perforated at its center and is composed of soft elastic rubber. The periphery is thickened slightly and turned, as shown at e, so as to engage the groove 9 and hold its position by virtue of its elastic nature. The wheel w and its hub h turn in the central perforation in the rubber disk 7, which makes a flexible dust and water tight junction therewith. The larger sprocket-wheel W, Fig. 3, has a case composed in part of a similar metal or rigid rim R, supported in position by a bracket B, connecting it with a horizontal member H of the frame of the machine or vehicle. The side walls of the case for the wheel W are composed of perforated disks of soft elastic rubber having the turned edges 6, which contract upon the groove g, forming the edges of the rim R. The pedal-crankp and the hub of the wheel make a rubbing contact with-the interior edge of the rubber disk r. The two runs of the chain 0, connecting the Wheels W and w, are covered with tubular sections of metal or some rigid material 0. These metal sections are preferably formed in one piece with the rim R of the front or larger wheel, although they may be united to the rim by soldering or brazing or by the use of bolts and nuts. The chain-cases c are broadened from a point at or near a central longitudinal point to the point of junction with the rim R, forming part of the case for the wheel W, the object being to provide for changing from one sized wheel to another without necessity of changing the gear-case.- The opposite end of each chain-case 0 forms a telescopic junction 25 with the projections from the rim R, forming part of the case for the rear wheel to. The cases cfor the chain 0 are lined with a woven cotton fabric f, such as canvas or ducking, cemented to the interior Wall of the said casing c or fastened thereto in any suitable manner. I have found that this material is greatly superior to an unwoven or felted fabric. It does not readily disintegrate and prevents the clatter due to a slack chain dropping upon the interior Wall of the case.
The described case for the gearing is extremely light, effectively excludes dust and mud, and provides the utmost ease of access to the inclosed parts.
That I claim, and desire to secure by Letters Patent, is
In a Wheeled vehicle the combination with a gear-Wheelof a case therefor composed of a rigid rim or peripheral covering, suitably perforated for the driving connection, having an upturned edge to engage a side Wall, a side Wall of soft elastic rubber having its edge contracted upon the edge of said rim, and a second disk or side Wall completing the inclosure, substantially as described.
WARREN H. FROST.
Witnesses:
FRANCES A. SPERRY, FRANK M. GOULD.
Publications (1)
Publication Number | Publication Date |
---|---|
US600911A true US600911A (en) | 1898-03-22 |
Family
ID=2669548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US600911D Expired - Lifetime US600911A (en) | Warren h |
Country Status (1)
Country | Link |
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US (1) | US600911A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3477303A (en) * | 1967-11-28 | 1969-11-11 | Schwinn Bicycle Co | Double plateau sprocket assembly |
US20150170072A1 (en) * | 2013-07-26 | 2015-06-18 | Ad-Vantage Networks, Inc. | Systems and methods for managing network resource requests |
-
0
- US US600911D patent/US600911A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3477303A (en) * | 1967-11-28 | 1969-11-11 | Schwinn Bicycle Co | Double plateau sprocket assembly |
US20150170072A1 (en) * | 2013-07-26 | 2015-06-18 | Ad-Vantage Networks, Inc. | Systems and methods for managing network resource requests |
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