US3915115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe lasting machines
Assignee: USM Corp
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Filing: 1974-09-26
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Granted: 1975-10-28
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Expires: 1994-09-26
Abstract
Abstract A shoe lasting machine having nozzles for applying adhesive progressively to the margin of a shoe bottom, in which the nozzles are moved heightwise to engage the shoe bottom and widthwise to engage a guide of the nozzle with the edge of the shoe bottom, movement of sensor fingers associated with each nozzle being effective to control the movements of the nozzles and a shoe support to cause the nozzles to follow the marginal contour of the shoe bottom to apply adhesive progressively thereto.
Inventors
- 👤 Frank Bramley
- 👤 Frank R Smith
- 👤 Kenneth C J Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:24
CPC Classifications
A; A43; A43D; A43D25/00; A43D25/18; A43D25/183
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
189 words
In a machine for lasting shoes in which a shoe support and lasting means are moved relatively lengthwise of a shoe on the support, the improvement comprising means for applying adhesive progressively to the margin of the shoe bottom including at least one nozzle through which adhesive is extruded, said nozzle having a shoe bottom engaging portion having a heightwise extending guide, means for moving the nozzle heightwise from a retracted position to a position in which the guide engages the shoe bottom at a locality spaced inwardly from the margin of the shoe bottom, means thereafter effective for moving the nozzle widthwise outwardly until the guide moves beyond engagement with the shoe bottom and said nozzle portion moves against the shoe bottom by further heightwise movement of the nozzle, means responsive to said further movement for causing the widthwise moving means to reverse its action so the guide is urged yieldingly against said margin, and means effective to initiate said lengthwise relative movement to cause the nozzle to apply adhesive progressively along the margin of the shoe bottom for securing the shoe upper margin to the shoe bottom.
Claim 2
Dependent Claim
189 words
In a machine for lasting shoes in which a shoe support and lasting means are moved relatively lengthwise of a shoe on the support, the improvement comprising means for applying adhesive progressively to the margin of the shoe bottom including at least one nozzle through which adhesive is extruded, said nozzle having a shoe bottom engaging portion having a heightwise extending guide, means for moving the nozzle heightwise from a retracted position to a position in which the guide engages the shoe bottom at a locality spaced inwardly from the margin of the shoe bottom, means thereafter effective for moving the nozzle widthwise outwardly until the guide moves beyond engagement with the shoe bottom and said nozzle portion moves against the shoe bottom by further heightwise movement of the nozzle, means responsive to said further movement for causing the widthwise moving means to reverse its action so the guide is urged yieldingly against said margin, and means effective to initiate said lengthwise relative movement to cause the nozzle to apply adhesive progressively along the margin of the shoe bottom for securing the shoe upper margin to the shoe bottom.
Claim 3
Dependent Claim
21 words
A machine according to claim 1 in which nozzles are provided for simultaneous operation at opposite sides of a shoe bottom.
Claim 4
Dependent Claim
55 words
A machine according to claim 1 in which a sensor finger is arranged inwardly adjacent to said nozzle to engage the shoe bottom before the nozzle guide and be moved relatively heightwise until the guide engages the shoe bottom, the finger movement being effective to operate means for controlling operation of the widthwise moving means.
Claim 5
Dependent Claim
46 words
A machine according to claim 3 in which the further heightwise movement of the nozzle also causes further movement of the finger to further operate the controlling means to cause reversal of the widthwise moving means for yieldingly urging the guide against the shoe bottom margin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |