US3815653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire changing apparatus
Assignee: Coats Co Inc
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Filing: 1972-09-11
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Granted: 1974-06-11
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Expires: 1992-09-11
Abstract
Abstract A tire changing apparatus adapted for use with a large variety of tires on rims having varying diameters and internal opening shapes and sizes. The apparatus includes a frame having a horizontal portion and a vertical portion with a tire and rim supporting table mounted for generally horizontal movement and for rotational movement about a generally vertical axis. The horizontal movement is in the direction of the vertical frame portion and the latter in turn mounts upper and lower bead breaking assemblies having a common actuator for moving the two towards each other to break both beads when a tire is on the table. Also included is a combination mounting and demounting tool which may be employed in connection with rotation of the table for mounting or demounting a tire on a rim. The apparatus provides the advantage of permitting bead breaking and tire mounting and demounting without removing a rim from the table and the capability to change tires on rims having a large variety of diameter widths and internal opening sizes.
Inventors
- 👤 E Strang
- 👤 J Mikovits
- 👤 R Scott
- 👤 F Bossard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:01
CPC Classifications
B; B60; B60C; B60C25/00; B60C25/01; B60C25/05; B60C25/132
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
173 words
In a tire changing apparatus, the combination comprising: a main frame having a lower, horizontal portion and an upright vertical portion; a tire supporting table; means mounting said tire supporting table on said frame above said lower horizontal frame portion for movement toward and away from said vertical frame portion; means for selectively moving said table toward and away from said vertical portion; means on said table for gripping the rim of a tire placed thereon; an upper bead breaking assembly mounted for generally vertical movement on said vertical frame portion; a lower bead breaking assembly mounted for generally vertical movement on said frame and interposed between said table and said vertical frame portion; a common actuator for moving said upper and lower bead braking assembly towards and away from each other; and rim hold down arms extending from said upper bead breaking assembly and movable therewith for holding said rim against said table to resist vertical components of forces directed to a tire on said table by said lower bead breaking assembly.
Claim 2
Dependent Claim
173 words
In a tire changing apparatus, the combination comprising: a main frame having a lower, horizontal portion and an upright vertical portion; a tire supporting table; means mounting said tire supporting table on said frame above said lower horizontal frame portion for movement toward and away from said vertical frame portion; means for selectively moving said table toward and away from said vertical portion; means on said table for gripping the rim of a tire placed thereon; an upper bead breaking assembly mounted for generally vertical movement on said vertical frame portion; a lower bead breaking assembly mounted for generally vertical movement on said frame and interposed between said table and said vertical frame portion; a common actuator for moving said upper and lower bead braking assembly towards and away from each other; and rim hold down arms extending from said upper bead breaking assembly and movable therewith for holding said rim against said table to resist vertical components of forces directed to a tire on said table by said lower bead breaking assembly.
Claim 3
Dependent Claim
61 words
The tire changing apparatus of claim 1 wherein said means for holding a rim on said table comprise a plurality of lugs extending upwardly from said table and movable thereon to grip the interior of the rim of a tire; and means for moving said lugs into tight engagement with the interior of the rim of a tire on said table.
Claim 4
Dependent Claim
54 words
Apparatus according to claim 2 wherein said table is mounted for rotational movement about a substantially vertical axis and wherein said vertical frame portion mounts a selectively operable tool movable into engagement with a tire and rim on said table for mounting and demounting a tire from the rim when said table is rotated.
Claim 5
Dependent Claim
38 words
Apparatus according to claim 2 wherein said table is mounted for rotational movement about a substantially vertical axis whereby a tool may be applied to a tire and rim on the table for mounting and demounting a tire.
Claim 6
Dependent Claim
53 words
Apparatus according to claim 4 further including means responsive to upward movement of said upper bead breaking assembly away from a tire on said table for swinging said lower bead breaking assembly away from said table to preclude interference between said lower bead breaking assembly and said table when said table is rotated.
Claim 7
Dependent Claim
121 words
In a tire changing apparatus, the combination comprising: means defining a frame; means defining a tire and rim supporting table; means rotatably mounting said table on said frame; a tire mounting and/or demounting tool; means mounting said tool on said frame for movement toward and away from said table to and from a tire engaging position whereby said tool may be employed to remove or replace a tire on a rim on the table when the table is rotated; and lubricating means for lubricating a tire and rim including a lubricating outlet movably mounted with said tool whereby said outlet may direct lubricant toward the interface of a tire and a rim when said tool is in said tire engaging position.
Claim 8
Dependent Claim
121 words
In a tire changing apparatus, the combination comprising: means defining a frame; means defining a tire and rim supporting table; means rotatably mounting said table on said frame; a tire mounting and/or demounting tool; means mounting said tool on said frame for movement toward and away from said table to and from a tire engaging position whereby said tool may be employed to remove or replace a tire on a rim on the table when the table is rotated; and lubricating means for lubricating a tire and rim including a lubricating outlet movably mounted with said tool whereby said outlet may direct lubricant toward the interface of a tire and a rim when said tool is in said tire engaging position.
Claim 9
Dependent Claim
50 words
Apparatus according to claim 6 wherein said lubricating means includes a reservoir for holding a supply of a lubricant, and means associated with said reservoir for metering a predetermined amount of lubricant; and wherein said lubricant outlet is at the end of a flexible conduit connected to said metering device.
Claim 10
Dependent Claim
20 words
Apparatus according to claim 7 further including manually operable means for directing lubricant fRom said reservoir to said metering means.
Claim 11
Dependent Claim
18 words
Apparatus according to claim 7 further including a valve operatively interposed between said metering means and said reservoir.
Claim 12
Dependent Claim
73 words
Apparatus according to claim 6 wherein said lubricating means includes a reservoir for receiving a supply of lubricant and said lubricant outlet is at the end of a flexible conduit connected to said tool; valve means interposed between said reservoir and said lubricant outlet; means for rotating said table; and means responsive to the operation of said table rotating means for opening said valve to allow lubricant to flow to said lubricant outlet.
Claim 13
Dependent Claim
20 words
Apparatus according to claim 10 wherein said reservoir is adapted to be connected to a source of fluid under pressure.
Claim 14
Dependent Claim
244 words
In a tire changing apparatus, the combination comprising: means defining a frame; means defining a table adapted to receive a tire and rim; means on said table for frictionally gripping the interior edge of a rim to hold the same on the table; upper and lower bead breaking assemblies movably mounted on said frame for movement between upper and lower bead breaking positions respectively relative to said table and respective positions remote from said table, said upper and lower bead breaking assemblies being aligned with each other and movable between said positions in substantially a single path; and means mounting said table on said frame for movement toward and away from said path whereby said table, and thus a tire and rim supported thereon, may be properly aligned with said bead breaking assembly, whereby said apparatus may be employed to break the beads on tires and rims having a large variety of rim diameters and internal rim opening configurations, said apparatus further including hold down arms operatively associated with said upper bead breaking assembly and movable therewith to a clamping position in engagement with the upper surface of a rim of a tire on said table to clamp the rim to said table; means for moving said upper and lower bead breaking assemblies towards said bead breaking positions; and means whereby said hold down arms are moved to said clamping position before said lower bead breaking assembly is moved to its bead breaking position.
Claim 15
Dependent Claim
244 words
In a tire changing apparatus, the combination comprising: means defining a frame; means defining a table adapted to receive a tire and rim; means on said table for frictionally gripping the interior edge of a rim to hold the same on the table; upper and lower bead breaking assemblies movably mounted on said frame for movement between upper and lower bead breaking positions respectively relative to said table and respective positions remote from said table, said upper and lower bead breaking assemblies being aligned with each other and movable between said positions in substantially a single path; and means mounting said table on said frame for movement toward and away from said path whereby said table, and thus a tire and rim supported thereon, may be properly aligned with said bead breaking assembly, whereby said apparatus may be employed to break the beads on tires and rims having a large variety of rim diameters and internal rim opening configurations, said apparatus further including hold down arms operatively associated with said upper bead breaking assembly and movable therewith to a clamping position in engagement with the upper surface of a rim of a tire on said table to clamp the rim to said table; means for moving said upper and lower bead breaking assemblies towards said bead breaking positions; and means whereby said hold down arms are moved to said clamping position before said lower bead breaking assembly is moved to its bead breaking position.
Claim 16
Dependent Claim
114 words
Apparatus according to claim 12 further including means mounting said table for rotation on said frame about an axis substantially parallel to said path; and a tire demounting and/or mounting tool movably mounted on said frame, said tool being mounted for selective movement toward and away from said table to permit its use on rims of varying types, said tool further being movable in said path for all positions of movement of the same relative to the frame whereby the beads on a tire may be broken and a tire mounted and/or demounted from a rim without removing the rim from the table and without adjusting the table position with respect to said path.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |