US3797749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprayer
Assignee: Individual
•
Filing: 1972-09-08
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Granted: 1974-03-19
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Expires: 1992-09-08
Abstract
Abstract A sprayer comprises a sprayer body and a container connected to said sprayer body by means of screw connection. Said screw connection is achieved by threadly engaging a connecting cylindrical member or a nut snapped on the lower end of the sprayer body with the male screwed neck of the container, and a truncated conical member is inserted into the lower end of the sprayer body after said snap fitting of the nut and to prevent the nut disengaged from said male threaded neck.
Inventors
- 👤 T Tada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1001; B05B11/1009
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
118 words
A sprayer comprising: a container for receiving a spray liquid therein, the container having a cylindrical neck with a male thread formed on the periphery thereof; a sprayer body for spraying the spray liquid sucked from the container having a connecting cylindrical portion and a first engaging means formed on the periphery; and a connecting cylindrical member to connect the spray body to the container, the inner surface of which has a female thread formed on one side and a second engaging means on the opposite side, said second engaging means being engaged with the first engaging means for rotatably mounting and holding the connecting cylindrical member to the connecting portion of the sprayer body by snap fitting.
Claim 2
Dependent Claim
118 words
A sprayer comprising: a container for receiving a spray liquid therein, the container having a cylindrical neck with a male thread formed on the periphery thereof; a sprayer body for spraying the spray liquid sucked from the container having a connecting cylindrical portion and a first engaging means formed on the periphery; and a connecting cylindrical member to connect the spray body to the container, the inner surface of which has a female thread formed on one side and a second engaging means on the opposite side, said second engaging means being engaged with the first engaging means for rotatably mounting and holding the connecting cylindrical member to the connecting portion of the sprayer body by snap fitting.
Claim 3
Dependent Claim
132 words
A sprayer comprising: a container for receiving a spray liquid therein, the container having a cylindrical neck with a male thread formed on the periphery thereof; a sprayer body for spraying the spray liquid sucked from the container having a connecting cylindrical portion and a first engaging means being formed on the periphery and including a flange and a plurality of notches for causing the cylindrical connecting portion to be elastically bent; and a connecting cylindrical member to connect the sprayer body to the container, the inner face of which has a female thread formed on one side and a second engaging means on the opposite side, said second engaging means including an annular stepped portion and to be engaged by snap fitting with the first engaging means of the sprayer body.
Claim 4
Dependent Claim
132 words
A sprayer comprising: a container for receiving a spray liquid therein, the container having a cylindrical neck with a male thread formed on the periphery thereof; a sprayer body for spraying the spray liquid sucked from the container having a connecting cylindrical portion and a first engaging means being formed on the periphery and including a flange and a plurality of notches for causing the cylindrical connecting portion to be elastically bent; and a connecting cylindrical member to connect the sprayer body to the container, the inner face of which has a female thread formed on one side and a second engaging means on the opposite side, said second engaging means including an annular stepped portion and to be engaged by snap fitting with the first engaging means of the sprayer body.
Claim 5
Dependent Claim
22 words
A sprayer according to claim 2 wherein said notches are of U shape formed at the end of the connecting cylindrical portion.
Claim 6
Dependent Claim
24 words
A sprayer according to claim 2 wherein said flange is formed at one end of the connecting cylindrical portion and has a tapered periphery.
Claim 7
Dependent Claim
31 words
A sprayer according to claim 2 wherein the second engaging portion further includes a tapered inner surface between the stepped annular portion and the end portion of the connecting cylindrical member.
Claim 8
Dependent Claim
30 words
A sprayer according to claim 5 wherein the connecting cylindrical portion has a tapered periphery with the same tapered angle as said tapered inner surface of the connecting cylindrical member.
Claim 9
Dependent Claim
26 words
A sprayer according to claim 2 wherein said connecting cylindrical portion has near the tip of the notch a thinner annular portion than the other portion.
Claim 10
Dependent Claim
36 words
A sprayer according to claim 4 wherein the sprayer body further has an annular stopper protrusion formed at the other end of the connecting cylindrical portion to limit the axial movement of the connecting cylindrical member.
Claim 11
Dependent Claim
28 words
A sprayer according to claim 1 which includes an insert slidably inserted into the connecting cylindrical portion engaging the connecting cylindrical member to prevent the disengagement of them.
Claim 12
Dependent Claim
36 words
A sprayer according to claim 9 wherein the insert is a truncated conical member, and the connecting cylindrical portion has a truncated conical inner surface to be fitted in the truncated conical surface of the insert.
Claim 13
Dependent Claim
40 words
A sprayer according to claim 10 wherein said connecting cylindrical portion includes an annular groove provided on the inner surface thereof and the truncated conical member has an annular protrusion on the outer periphery thereof to engage said annular groove.
Claim 14
Dependent Claim
31 words
A sprayer according to claim 9 wherein the truncated conical member has a sealing flange at the expanded end disposed between the connecting cylindrical portion and the neck of the container.
Claim 15
Dependent Claim
24 words
A sprayer according to claim 12 wherein the flange has at least one protrusion formed on the side facing the neck of the container.
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |