Patent US4046392A successfully refreshed from Google Patents.
US4046392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller sled
Assignee: Individual
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Filing: 1976-07-12
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Granted: 1977-09-06
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Expires: 1996-07-12
Abstract
Abstract An improved roller sled is provided with simple and inexpensive removable clamping members for the roller wheels, which members are slidably mounted and locked together without the use of bendable and shearable bolts and nuts. Preferably the roller sled is further provided with dampened pivotal roller wheels and a friction coated bed.
Inventors
- 👤 Edward Dredger
- 👤 Thomas Passantino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:06
CPC Classifications
B; B62; B62B; B62B15/00; B62B15/008; B62B15/009; B62B13/00; B62B13/18
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
222 words
A roller sled comprising a bed, a pair of forward and rearward braces attached adjacent each side of said bed and extending downwardly therefrom, an inverted T-shaped runner formed of a lower runner blade and an upper ridge attached to each pair of braces and having a flexible portion forward of said forward brace, a steering bar linkably connected to said bed and to said flexible portion of each runner, and removable clamping means for mounting roller wheels onto said runners forward of each of said forward braces and adjacent said rearward braces; said removable clamping means comprising an upper member and a lower member having at least one roller wheel rotatably mounted thereon, said upper member having a longitudinal central groove closely fitting said runner ridge and a downwardly extending flange at the rear end thereof having a central notch, said lower member having a longitudinal central groove closely fitting said runner blade and an upwardly extending flange at the forward end thereof having a central notch, said rear flange of the upper member abutting against the rear end of said lower member and said forward flange of the lower member abutting against the forward end of said upper member, one of said two members having means along each side thereof for lockably engaging the corresponding side of the other member.
Claim 2
Dependent Claim
222 words
A roller sled comprising a bed, a pair of forward and rearward braces attached adjacent each side of said bed and extending downwardly therefrom, an inverted T-shaped runner formed of a lower runner blade and an upper ridge attached to each pair of braces and having a flexible portion forward of said forward brace, a steering bar linkably connected to said bed and to said flexible portion of each runner, and removable clamping means for mounting roller wheels onto said runners forward of each of said forward braces and adjacent said rearward braces; said removable clamping means comprising an upper member and a lower member having at least one roller wheel rotatably mounted thereon, said upper member having a longitudinal central groove closely fitting said runner ridge and a downwardly extending flange at the rear end thereof having a central notch, said lower member having a longitudinal central groove closely fitting said runner blade and an upwardly extending flange at the forward end thereof having a central notch, said rear flange of the upper member abutting against the rear end of said lower member and said forward flange of the lower member abutting against the forward end of said upper member, one of said two members having means along each side thereof for lockably engaging the corresponding side of the other member.
Claim 3
Dependent Claim
28 words
The roller sled as defined by claim 1 wherein said upper member has means along each side thereof for lockably engaging the corresponding side of the lower member.
Claim 4
Dependent Claim
28 words
The roller sled as defined by claim 1 wherein said lower member has means along each side thereof for lockably engaging the corresponding side of the upper member.
Claim 5
Dependent Claim
21 words
The roller sled as defined by claim 1 wherein said upper and lower members have aligned holes with registration pins therein.
Claim 6
Dependent Claim
26 words
The roller sled as defined by claim 1 wherein said lower member has means for pivoting the roller wheels and means for dampening said pivotal means.
Claim 7
Dependent Claim
20 words
The roller sled as defined by claim 1 wherein said bed has an upper surface with a friction coating thereon.
References Cited (Backward Citations)
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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) | 1980-09-05 | 1981-03-07 | 1981-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-05 | 1985-03-07 | 1985-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-05 | 1989-03-07 | 1989-09-06 | $7700.00 | Window Closed / Lapsed |