US4753327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum brake shoe return spring support
Assignee: Motors Liquidation Co
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Filing: 1987-06-15
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Granted: 1988-06-28
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Expires: 2007-06-15
Abstract
Abstract The present invention provides an apparatus and method of utilization of the same of a brake spring support. The support of the present invention provides a head for locating and supporting the spring along with a fixably connected curved tang which is inserted into an aperture of the brake shoe and is cammingly locked to the brake shoe after attachment of the spring.
Inventors
- 👤 Ronald L. Shellhause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:38
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/04; F16D65/08; F16D51/00; F16D51/16; F16D51/18; F16D51/20; F16D51/24
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
125 words
A brake shoe hooked coil spring support for insertion into an aperture of a brake shoe, said support in combination comprising: a head having a central opening for insertion of said coil spring hook and a notch on an end of said head away from said brake shoe to seat said spring hook, and said head having a shoulder adjacent said brake shoe for supporting said head on said brake shoe; and a curved tang body fixably connected with said head adjacent said head shoulder extending into said brake shoe aperture and extending along said brake shoe whereby said spring is supported at a predetermined distance from said brake shoe and whereby said spring causes said tang to be cammingly locked to said brake shoe.
Claim 2
Dependent Claim
125 words
A brake shoe hooked coil spring support for insertion into an aperture of a brake shoe, said support in combination comprising: a head having a central opening for insertion of said coil spring hook and a notch on an end of said head away from said brake shoe to seat said spring hook, and said head having a shoulder adjacent said brake shoe for supporting said head on said brake shoe; and a curved tang body fixably connected with said head adjacent said head shoulder extending into said brake shoe aperture and extending along said brake shoe whereby said spring is supported at a predetermined distance from said brake shoe and whereby said spring causes said tang to be cammingly locked to said brake shoe.
Claim 3
Dependent Claim
15 words
A support as described in claim 1 wherein said central opening is triangular in shape.
Claim 4
Dependent Claim
21 words
A support as described in claim 1 wherein said head has a shoulder on both sides of said curved tang body.
Claim 5
Dependent Claim
139 words
A drum brake shoe hooked coil return spring support for insertion into an aperture of a brake shoe web, said support in combination comprising: a head having a central triangular opening for insertion of said return coil spring hook and a notch on the end of said head away from said brake shoe web to seat said return spring hook, and said head having a shoulder adjacent said brake shoe for supporting said head on said brake shoe web; and a curved tang body integrally connected with said head bifurcating said head shoulder and extending into said brake shoe web aperture and extending along said brake shoe web whereby said return spring is supported at a predetermined distance from said brake shoe web and whereby said return spring causes said tang to be cammingly locked to said brake shoe.
Claim 6
Dependent Claim
139 words
A drum brake shoe hooked coil return spring support for insertion into an aperture of a brake shoe web, said support in combination comprising: a head having a central triangular opening for insertion of said return coil spring hook and a notch on the end of said head away from said brake shoe web to seat said return spring hook, and said head having a shoulder adjacent said brake shoe for supporting said head on said brake shoe web; and a curved tang body integrally connected with said head bifurcating said head shoulder and extending into said brake shoe web aperture and extending along said brake shoe web whereby said return spring is supported at a predetermined distance from said brake shoe web and whereby said return spring causes said tang to be cammingly locked to said brake shoe.
Claim 7
Independent Claim
131 words
A method of supporting a hooked coil spring on a brake on a support having a head with a central opening, a notch on the end of the head away from the brake, a shoulder adjacent to the brake, and said support having a curved tang body fixably connected to said head adjacent said shoulder and insertable into an aperture of the brake shoe, said method and combination comprising: inserting said curved tang body through said brake aperture; supporting said head on said brake by said shoulders; inserting an end of said spring hook into said central opening and seating said spring hook in said notch of said head; and cammingly locking said curved tang body to said brake whereby said spring is supported at a predetermined distance from said brake.
Claim 8
Independent Claim
131 words
A method of supporting a hooked coil spring on a brake on a support having a head with a central opening, a notch on the end of the head away from the brake, a shoulder adjacent to the brake, and said support having a curved tang body fixably connected to said head adjacent said shoulder and insertable into an aperture of the brake shoe, said method and combination comprising: inserting said curved tang body through said brake aperture; supporting said head on said brake by said shoulders; inserting an end of said spring hook into said central opening and seating said spring hook in said notch of said head; and cammingly locking said curved tang body to said brake whereby said spring is supported at a predetermined distance from said brake.
References Cited (Backward Citations)
US4228876A
Cited
US4471859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-06-28 | 1991-12-28 | 1992-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-28 | 1995-12-28 | 1996-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-28 | 1999-12-28 | 2000-06-28 | $7700.00 | Window Closed / Lapsed |