Patent US4566149A successfully refreshed from Google Patents.
US4566149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam latch for cleaning devices
Assignee: Oreck Holdings LLC
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Filing: 1984-03-02
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Granted: 1986-01-28
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Expires: 2004-03-02
Abstract
Abstract A cam latch is provided to axially move a liquid container on a cleaning device and latch it thereto. The cam latch is received in a recess in the bottom of the cleaning fluid container thereby engaging a camming surface and aligning the container relative to the frame.
Inventors
- 👤 Edwin Fitzwater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:17
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4013; A47L11/4016; A47L11/34; A47L11/4022
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
83 words
In a cleaning device having a liquid container removably mounted in said cleaning device, the improvement comprising: a collar receiving the top of said container; a cam having a rotatable camming surface engaging the bottom of said container, rotatably mounted on said cleaning device for moving said container into said collar by rotating said cam from a first to a second position; and latch means engaging said cam to lock said cam in said second position to retain said container in said collar.
Claim 2
Dependent Claim
83 words
In a cleaning device having a liquid container removably mounted in said cleaning device, the improvement comprising: a collar receiving the top of said container; a cam having a rotatable camming surface engaging the bottom of said container, rotatably mounted on said cleaning device for moving said container into said collar by rotating said cam from a first to a second position; and latch means engaging said cam to lock said cam in said second position to retain said container in said collar.
Claim 3
Dependent Claim
39 words
In the cleaning device according to claim 1 wherein said container includes a recess in its bottom wall, a camming surface in said recess, and said cam lies in said recess engaging said camming surface and aligning said container.
Claim 4
Dependent Claim
34 words
In the cleaning device according to claim 1 wherein said container includes a keyway extending substantially along the length of its rear wall and a key on said cleaning device lying in said keyway.
Claim 5
Dependent Claim
41 words
In the cleaning device according to claim 3 wherein the device has a spray nozzle having a first conduit connected thereto and a suction nozzle having a second conduit connected thereto, and wherein said first and second conduits form said key.
Claim 6
Dependent Claim
21 words
In the cleaning device according to claim 1 wherein said cam includes a camming portion and a lever portion extending therefrom.
Claim 7
Dependent Claim
24 words
In the cleaning device according to claim 5 wherein said camming portion and said lever portion produce a generally L-shaped cross-section of said cam.
Claim 8
Dependent Claim
40 words
In the cleaning device according to claim 6 wherein said latch means includes a catch on said cleaning device and a detent movably mounted to said cam to rest in said catch when said cam is in said second position.
Claim 9
Dependent Claim
29 words
In the cleaning device according to claim 7 wherein said detent is L-shaped and is pivotally mounted to said cam at the junction of the legs of said detent.
Claim 10
Dependent Claim
28 words
In the cleaning device according to claim 8 wherein said latch means includes a spring engaging said detent and said spring biasing said detent into a latched position.
Claim 11
Dependent Claim
25 words
In the cleaning device according to claim 6 wherein said cam is pivotally mounted to said cleaning device at the end of said camming portion.
Claim 12
Dependent Claim
40 words
In the cleaning device according to claim 1 wherein said latch means includes a catch on said cleaning device and a detent movably mounted to said cam to rest in said catch when said cam is in said second position.
Claim 13
Dependent Claim
29 words
In the cleaning device according to claim 11 wherein said detent is L-shaped and is pivotally mounted to said cam at the junction of the legs of said detent.
Claim 14
Dependent Claim
28 words
In the cleaning device according to claim 12 wherein said latch means includes a spring engaging said detent and said spring biasing said detent into a latched position.
Claim 15
Dependent Claim
26 words
In the cleaning device according to claim 12 wherein said catch is a ridge on a block and said cam is pivotally mounted to said block.
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) | 1989-01-27 | 1989-07-29 | 1990-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-27 | 1993-07-29 | 1994-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-27 | 1997-07-29 | 1998-01-28 | $7700.00 | Window Closed / Lapsed |