US3747178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for attaching cushion to rigid base
Assignee: Coach and Car Equipment Corp
•
Filing: 1972-02-14
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Granted: 1973-07-24
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Expires: 1992-02-14
Abstract
Abstract The method of manufacturing a cushioned support, such as a seat cushion having a fabric cover anchored to a rigid base member. The method includes inserting the seam portion at the peripheral edge of the fabric cover into a channel around the periphery of the rigid base member, and then inserting a thick welt inside said seam portion so that the welt can not be withdrawn from said channel.
Inventors
- 👤 A Harder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
B; B68; B68G; B68G7/00; B60; B60N; B60N2/00; B60N2/70; Y; Y10; Y10T; Y10T29/00; Y10T29/48; Y10T29/481
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
296 words
The method of manufacturing a cushioned support having a rigid base member, a resilient cushion portion and an open, boxlike cover having a peripheral edge portion, said method comprising the steps of: fabricating a tunnel around said peripheral edge portion of said cover with said tunnel having a pair of open ends; providing elongated, flexible pilot means having a pair of opposite ends; attaching a welt to one end of said pilot means; positioning said pilot means in said tunnel with at least the other end of said pilot means extending through an open end of said tunnel; fabricating rigid cover-retaining means around the periphery of said rigid base member so that said retaining means and said periphery define an elongated, tunnel-receiving portion having a discontinuation therein and an open mouth extending around said periphery; performing said fabricating step so that said mouth of said tunnel-receiving portion is large enough to receive said tunnel with said pilot means therein and smaLl enough to prevent removal of said tunnel with said welt therein; aligning said open ends of said tunnel with said discontinuation in said tunnel-receiving portion; introducing substantially all of said tunnel, with said flexible pilot means therein, into said tunnel-receiving portion, through the mouth thereof, continuously around the periphery of said rigid base, and positioning at least said other end of said pilot means at said discontinuation; drawing said one end of said pilot means through said tunnel by pulling on the other end until the opposite ends of said welt each project from a respective one of said open ends of said tunnel and of said tunnel-receiving portion at said discontinuation; disengaging said pilot means from said welt; and securing said welt to prevent its withdrawal from said tunnel through said open ends thereof.
Claim 2
Independent Claim
296 words
The method of manufacturing a cushioned support having a rigid base member, a resilient cushion portion and an open, boxlike cover having a peripheral edge portion, said method comprising the steps of: fabricating a tunnel around said peripheral edge portion of said cover with said tunnel having a pair of open ends; providing elongated, flexible pilot means having a pair of opposite ends; attaching a welt to one end of said pilot means; positioning said pilot means in said tunnel with at least the other end of said pilot means extending through an open end of said tunnel; fabricating rigid cover-retaining means around the periphery of said rigid base member so that said retaining means and said periphery define an elongated, tunnel-receiving portion having a discontinuation therein and an open mouth extending around said periphery; performing said fabricating step so that said mouth of said tunnel-receiving portion is large enough to receive said tunnel with said pilot means therein and smaLl enough to prevent removal of said tunnel with said welt therein; aligning said open ends of said tunnel with said discontinuation in said tunnel-receiving portion; introducing substantially all of said tunnel, with said flexible pilot means therein, into said tunnel-receiving portion, through the mouth thereof, continuously around the periphery of said rigid base, and positioning at least said other end of said pilot means at said discontinuation; drawing said one end of said pilot means through said tunnel by pulling on the other end until the opposite ends of said welt each project from a respective one of said open ends of said tunnel and of said tunnel-receiving portion at said discontinuation; disengaging said pilot means from said welt; and securing said welt to prevent its withdrawal from said tunnel through said open ends thereof.
Claim 3
Dependent Claim
82 words
The method of manufacturing a cushioned support according to claim 1 wherein said step of fabricating the retaining means comprises: providing a rigid cover-retaining strip having an arcuate cross-section for mounting around the periphery of said rigid base member; and, attaching said cover-retaining strip to said periphery of said base member so that said attached strip and said periphery define an elongated, tunnel-receiving portion having an open mouth extending around said periphery with a discontinuation defined by opposite ends of said strip.
Claim 4
Dependent Claim
47 words
The method of manufacturing a cushioned support according to claim 1 wherein said tunnel fabricating step comprises: folding said peripheral edge portion, around the entire periphery of the cover, to define a tunnel; and securing said tunnel closed by attaching the folded edge portion to the cover.
Claim 5
Dependent Claim
58 words
The method of manufacturing a cushioned support according to claim 3 and further including: positioning said pilot means around substantially all of said peripheral edge portion of the cover; and performing said folding step so that said end portion is brought across said pilot means whereby said pilot means is enclosed within said tunnel after said attaching step.
Claim 6
Dependent Claim
32 words
The method of manufacturing a cushioned support according to claim 1 and further including the step of: providing welt-securing means on said pilot means for attaching said welt to said pilot means.
Claim 7
Dependent Claim
43 words
The method of manufacturing a cushioned support according to claim 1 wherein said step of providing pilot means comprises: providing pilot means which rigidifies said tunnel when positioned therein to facilitate insertion of the tunnel into said tunnel-receiving portion during said introducing step.
References Cited (Backward Citations)
US1940636A
Cited
US2833342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |