Patent US4211432A successfully refreshed from Google Patents.
US4211432A
Expired / Lapsed
US
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Webbing guide
Assignee: Tokai Rika Co Ltd
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Filing: 1978-12-28
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Granted: 1980-07-08
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Expires: 1998-12-28
Abstract
Abstract A webbing guide provided with a contact portion for receiving and guiding a webbing. Furthermore, a belt-like low friction material is bonded to the outer periphery of said contact portion. And the region of said low friction material bonded to said contact portion covers respective side portions each extending over an angle of 90 DEG from a vertical line passing through the center of said contact portion.
Inventors
- 👤 Haruki Furukawa
- 👤 Susumu Usami
- 👤 Junichi Nakaho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:16
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/18; B60R22/24
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
124 words
A webbing guide provided with a contact portion having a center and side portion for receiving and guiding a webbing, wherein: a tape having two opposite ends made of low friction material bonded to the outer periphery of said contact portion, the region of said low friction material bonded to said contact portion covers respective side portions each extending over an angle at least equal to 90° from a vertical line passing the center of said contact portion with the ends of the tape adjacent to each other; and the opposite ends are chamfered at an angle D set at D≦tan.sup.-1 F/S where S is an internal stress of said low friction material and F is the bonding strength of the bonding agent used.
Claim 2
Dependent Claim
124 words
A webbing guide provided with a contact portion having a center and side portion for receiving and guiding a webbing, wherein: a tape having two opposite ends made of low friction material bonded to the outer periphery of said contact portion, the region of said low friction material bonded to said contact portion covers respective side portions each extending over an angle at least equal to 90° from a vertical line passing the center of said contact portion with the ends of the tape adjacent to each other; and the opposite ends are chamfered at an angle D set at D≦tan.sup.-1 F/S where S is an internal stress of said low friction material and F is the bonding strength of the bonding agent used.
Claim 3
Dependent Claim
35 words
A webbing guide as set forth in claim 1 wherein said low friction material includes four corners and opposite side portions and is chamfered at the four corners as well at the opposite side portions.
References Cited (Backward Citations)
US3039834A
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US3879054A
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US4023826A
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US4005904A
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US3959855A
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US4130253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-07-08 | 1984-01-07 | 1984-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-08 | 1988-01-07 | 1988-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-08 | 1992-01-07 | 1992-07-08 | $7700.00 | Window Closed / Lapsed |