US4082220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Model roadway track construction
Assignee: Tyco Toys Inc
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Filing: 1976-06-30
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Granted: 1978-04-04
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Expires: 1996-06-30
Abstract
Abstract A sectional track construction wherein each section constitutes a generally flat body having at least one longitudinally extending conductor exposed upwardly and provided with end portions each extending beyond the adjacent lateral body portion on one side of the conductor, and an oblique cam at each end of the section for engagement with a like cam of a like section to urge the exposed conductor end portions into side-by-side facing engagement with conductor end portions of a like track section.
Inventors
- 👤 Richard C. M. Cheng
- 👤 Gene Patrick Dennis
- 👤 Robert M. Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:54
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
235 words
A track section for a model vehicle, said track section comprising a generally flat elongate body having an upper surface for movement therealong of vehicles, an elongate conductor extending longitudinally along said body and exposed therefrom for contact with a moving vehicle, each end portion of said conductor extending longitudinally of said body and beyond the laterally adjacent portion of said body on one side of the conductor end portion to expose the latter in one lateral direction, and a projection extending from each longitudinal end of said body, each projection having a cam surface, one of said cam surfaces facing in a laterally outward direction toward a side edge of said body and the other of said cam surfaces facing in a laterally inward direction from said last-mentioned side edge, one of said projections having said elongate conductor disposed along a lateral surface of said one projection which is opposite the cam surface of the said one projection, the other of said projections having said elongate conductor disposed in a facing and spaced relationship to the cam surface of said other projection, whereby said track section is engageable in end-to-end relation with an additional essentially identical track section so that the cam surfaces of said first mentioned and additional track sections ride on each other to shift the laterally exposed conductor end portions into side-by-side facing engagement for intimate electrical contact and mechanical juxtaposition.
Claim 2
Dependent Claim
235 words
A track section for a model vehicle, said track section comprising a generally flat elongate body having an upper surface for movement therealong of vehicles, an elongate conductor extending longitudinally along said body and exposed therefrom for contact with a moving vehicle, each end portion of said conductor extending longitudinally of said body and beyond the laterally adjacent portion of said body on one side of the conductor end portion to expose the latter in one lateral direction, and a projection extending from each longitudinal end of said body, each projection having a cam surface, one of said cam surfaces facing in a laterally outward direction toward a side edge of said body and the other of said cam surfaces facing in a laterally inward direction from said last-mentioned side edge, one of said projections having said elongate conductor disposed along a lateral surface of said one projection which is opposite the cam surface of the said one projection, the other of said projections having said elongate conductor disposed in a facing and spaced relationship to the cam surface of said other projection, whereby said track section is engageable in end-to-end relation with an additional essentially identical track section so that the cam surfaces of said first mentioned and additional track sections ride on each other to shift the laterally exposed conductor end portions into side-by-side facing engagement for intimate electrical contact and mechanical juxtaposition.
Claim 3
Dependent Claim
60 words
A track section according to claim 1, the laterally adjacent body portion on the other side of one of of said conductor end portions being resiliently deflectable in the opposite lateral direction, for resilient bearing engagement of said exposed conductor end portions whereby said last-mentioned body portion deflects from its normal position to resiliently engage said exposed conductor end portions.
Claim 4
Dependent Claim
26 words
A track section according to claim 2, said laterally adjacent body portion on the other side of each conductor end portion comprising a resiliently deflectable finger.
Claim 5
Dependent Claim
30 words
A track section according to claim 1, in combination with resilient snap lock elements on each body end for relative interfitting engagement with snap lock elements of like track sections.
Claim 6
Dependent Claim
56 words
A track section according to claim 4, said snap lock elements comprising a downwardly deflectable longitudinal extension, and a lug on one of said extensions and body, the other of said body and extension having a hole, whereby the lug of one track section is removably snap engageable in the hole of a like track section.
Claim 7
Dependent Claim
64 words
A track section according to claim 5, in combination with a complementary cam at each end of said body facing obliquely inwardly and in said one lateral direction, whereby the complementary cam of said first-mentioned section rides on the complementary cam of a like track section to effectively constrain said first-mentioned and like track sections into said position of electrical contact and mechanical juxtaposition.
Claim 8
Dependent Claim
14 words
A track section according to claim 6, said complementary cams being on said extensions.
Claim 9
Dependent Claim
16 words
A track section according to claim 7, said complementary cams comprising edge surfaces of said extensions.
Claim 10
Dependent Claim
32 words
A track section according to claim 7, said lugs being beveled to deflect the associated extensions downwardly for snap engagement in the holes of the like track sections and upward presentation therethrough.
Claim 11
Dependent Claim
95 words
A track section according to claim 1, in combination with an additional elongate conductor extending longitudinally along said body in parallel spaced relation with said first-mentioned conductor and presented from said body for contact with a moving vehicle, each end portion of said additional conductor extending beyond the laterally adjacent portion of said body on one side of the additional conductor end portion to expose the latter in said one lateral direction, whereby said additional conductor is movable into intimate electrical contact and mechanical justaposition with a corresponding additional conductor of a like track section.
Claim 12
Dependent Claim
232 words
A track section for model vehicles, said track section comprising a generally flat elongate body having an upper surface for movement therealong of vehicles, engaging means including a body part extending longitudinally of said body at each end thereof beyond the laterally adjacent portion of said body to expose one surface of the body part in one lateral direction at each respective end, said engaging means further including a resilient finger at each end of the body formed by a slot extending longitudinally to expose a surface of said resilient finger in said one lateral direction at each respective end of said body, said one lateral direction at one longitudinal end of said body being opposite to the one lateral direction at the other longitudinal end of said body, a projection extending from each longitudinal end of said body, each projection having a cam surface, one of said cam surfaces facing laterally outward toward a side edge of said body and the other of said cam surfaces facing laterally inward from said last-mentioned side edge, whereby said track section is engageable in end-to-end relation with an additional essentially identical track section so that the cam surfaces of said first mentioned and additional track sections ride on each other to shift the laterally exposed surfaces of said body part and said resilient finger into side-by-side facing engagement for intimate contact and mechanical juxtaposition.
Claim 13
Dependent Claim
232 words
A track section for model vehicles, said track section comprising a generally flat elongate body having an upper surface for movement therealong of vehicles, engaging means including a body part extending longitudinally of said body at each end thereof beyond the laterally adjacent portion of said body to expose one surface of the body part in one lateral direction at each respective end, said engaging means further including a resilient finger at each end of the body formed by a slot extending longitudinally to expose a surface of said resilient finger in said one lateral direction at each respective end of said body, said one lateral direction at one longitudinal end of said body being opposite to the one lateral direction at the other longitudinal end of said body, a projection extending from each longitudinal end of said body, each projection having a cam surface, one of said cam surfaces facing laterally outward toward a side edge of said body and the other of said cam surfaces facing laterally inward from said last-mentioned side edge, whereby said track section is engageable in end-to-end relation with an additional essentially identical track section so that the cam surfaces of said first mentioned and additional track sections ride on each other to shift the laterally exposed surfaces of said body part and said resilient finger into side-by-side facing engagement for intimate contact and mechanical juxtaposition.
Claim 14
Dependent Claim
25 words
A track section according to claim 11, said finger being resiliently deflectable from its normal position for resilient bearing engagement of its laterally exposed surface.
Claim 15
Dependent Claim
30 words
A track section according to claim 12, in combination with resilient snap lock elements on each body end for relative interfitting engagement with snap lock elements of like track sections.
Claim 16
Dependent Claim
56 words
A track section according to claim 13, said snap lock elements comprising a downwardly deflectable longitudinal extension, and a lug on one of said extension and body, the other of said extension and body having an opening, whereby the lug of one track section is removably snap engageable in the opening of a like track section.
Claim 17
Dependent Claim
185 words
A track section for model vehicles comprising: a generally flat elongate body having an upper surface for movement therealong of vehicles; said track section having a plurality of projections extending longitudinally outward from each end of said body; each projection having a lateral surface generally parallel to the lengthwise dimension of said track; the major face of each said lateral surface at one end of said body facing in a direction toward a single side edge of said body and the major face of each said lateral surface at the other end of said body facing in a direction toward the other side edge of said body; the lateral surface of each projection extending longitudinally further from said body than the laterally adjacent portion of said body whereby said projections are arranged in a stepped relation; locking means on each end of said body for locking engagement with locking means of like track sections whereby said track section is engageable in end-to-end relation with an additional essential identical track section so that said stepped projections interfit with mating stepped projections of said additional track section.
Claim 18
Dependent Claim
185 words
A track section for model vehicles comprising: a generally flat elongate body having an upper surface for movement therealong of vehicles; said track section having a plurality of projections extending longitudinally outward from each end of said body; each projection having a lateral surface generally parallel to the lengthwise dimension of said track; the major face of each said lateral surface at one end of said body facing in a direction toward a single side edge of said body and the major face of each said lateral surface at the other end of said body facing in a direction toward the other side edge of said body; the lateral surface of each projection extending longitudinally further from said body than the laterally adjacent portion of said body whereby said projections are arranged in a stepped relation; locking means on each end of said body for locking engagement with locking means of like track sections whereby said track section is engageable in end-to-end relation with an additional essential identical track section so that said stepped projections interfit with mating stepped projections of said additional track section.
Claim 19
Dependent Claim
73 words
A track section according to claim 15 including elongate conductors extending longitudinally along said body and exposed therefrom for contact with a moving vehicle, each end portion of each conductor extending beyond the laterally adjacent portion of said body on one side of the conductor end portion to expose the conductor in one lateral direction, the other side of each conductor end portion being adjacent to and facing one of said lateral surfaces.
Claim 20
Dependent Claim
12 words
A track section according to claim 15 including at least four projections.
Claim 21
Dependent Claim
73 words
A track section according to claim 17 including elongate conductors extending longitudinally along said body and exposed therefrom for contact with a moving vehicle, each end portion of each conductor extending beyond the laterally adjacent portion of said body on one side of the conductor end portion to expose the conductor in one lateral direction, the other side of each conductor end portion being adjacent to and facing one of said lateral surfaces.
Claim 22
Dependent Claim
52 words
A track section according to claim 17 wherein the projection extending furthest from each end of said body has a cam surface on the opposite side from the lateral surface of said last-mentioned projection, and each cam surface is angled relative to the side edges of the body and faces laterally outward.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-03 | 1981-10-03 | 1982-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-03 | 1985-10-03 | 1986-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-03 | 1989-10-03 | 1990-04-04 | $7700.00 | Window Closed / Lapsed |