Patent US3757737A successfully refreshed from Google Patents.
US3757737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical pickup device for animal droppings
Assignee: Individual
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Filing: 1972-03-03
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Granted: 1973-09-11
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Expires: 1992-03-03
Abstract
Abstract A mechanical device for sequentially loading multiple bodies of animal droppings from the ground into a disposable bag. The illustrated device has an elongated handle which carries a pickup means at its lower end. The pickup means includes means for releasibly holding a bag with the mouth of the bag held open in a generally vertical plane, and a movable paddle proportioned and arranged to engage and propell a body of animal droppings into the bag through the open mouth. The movement of the paddle is remotely controlled from the upper end of the handle by an manually movable lever which is operable to impart a rapid propelling movement to the paddle.
Inventors
- 👤 H Drum
- 👤 J Witherill
- 👤 F Rennwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:29
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/12; E01H1/1206; E01H2001/122; E01H2001/1293
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
237 words
A device for picking up animal droppings, comprising: a. an elongated handle having an upper end and a lower end, b. pickup means at the lower end of the handle comprising: 1. a stationary bag holder means mounted on the lower end of the handle for releasably supporting a disposable bag with the mouth of the bag open, said holder means including bagengaging means for engaging and holding the portion of the bag around its open mouth, said bag-engaging means being disposed in a generally upright reference plane and being arranged in said plane around an open center area at wHich the open mouth of the bag is disposed, and 2. means movably mounted on the lower end of the handle and generally aligned with said center area for engaging and propelling a body of animal droppings into the open mouth of a bag held by said bag-engaging means, said propelling means having an upper portion and a lower portion, said propelling means being pivotally mounted at said upper portion for propelling movement of said lower portion toward said open center area of said reference plane in a path having an upward component of movement, the region between said propelling means and said center area being open and unobstructed for free flight of propelled animal droppings, and c. actuating means remotely operable from the upper end of the handle to impart propelling movement to said propelling means.
Claim 2
Independent Claim
237 words
A device for picking up animal droppings, comprising: a. an elongated handle having an upper end and a lower end, b. pickup means at the lower end of the handle comprising: 1. a stationary bag holder means mounted on the lower end of the handle for releasably supporting a disposable bag with the mouth of the bag open, said holder means including bagengaging means for engaging and holding the portion of the bag around its open mouth, said bag-engaging means being disposed in a generally upright reference plane and being arranged in said plane around an open center area at wHich the open mouth of the bag is disposed, and 2. means movably mounted on the lower end of the handle and generally aligned with said center area for engaging and propelling a body of animal droppings into the open mouth of a bag held by said bag-engaging means, said propelling means having an upper portion and a lower portion, said propelling means being pivotally mounted at said upper portion for propelling movement of said lower portion toward said open center area of said reference plane in a path having an upward component of movement, the region between said propelling means and said center area being open and unobstructed for free flight of propelled animal droppings, and c. actuating means remotely operable from the upper end of the handle to impart propelling movement to said propelling means.
Claim 3
Dependent Claim
37 words
The device of claim 1 wherein said propelling means comprises a paddle having a ready position spaced from and generally parallel to said reference plane, said paddle being movable toward said reference plane through a predetermined angle.
Claim 4
Dependent Claim
126 words
means movably mounted on the lower end of the handle and generally aligned with said center area for engaging and propelling a body of animal droppings into the open mouth of a bag held by said bag-engaging means, said propelling means having an upper portion and a lower portion, said propelling means being pivotally mounted at said upper portion for propelling movement of said lower portion toward said open center area of said reference plane in a path having an upward component of movement, the region between said propelling means and said center area being open and unobstructed for free flight of propelled animal droppings, and c. actuating means remotely operable from the upper end of the handle to impart propelling movement to said propelling means.
Claim 5
Dependent Claim
126 words
means movably mounted on the lower end of the handle and generally aligned with said center area for engaging and propelling a body of animal droppings into the open mouth of a bag held by said bag-engaging means, said propelling means having an upper portion and a lower portion, said propelling means being pivotally mounted at said upper portion for propelling movement of said lower portion toward said open center area of said reference plane in a path having an upward component of movement, the region between said propelling means and said center area being open and unobstructed for free flight of propelled animal droppings, and c. actuating means remotely operable from the upper end of the handle to impart propelling movement to said propelling means.
Claim 6
Dependent Claim
13 words
The device of claim 2 wherein said angle is substantially less than 90*.
Claim 7
Dependent Claim
12 words
The device of claim 2 wherein said angle is less than 45*.
Claim 8
Dependent Claim
11 words
The device of claim 2 wherein said angle is about 40*.
Claim 9
Dependent Claim
25 words
The device of claim 1 wherein the lowermost portion of said propelling means is generally vertically aligned with the lowermost portion of said center area.
Claim 10
Dependent Claim
28 words
The device of claim 1 wherein said lower portion is spaced from said reference plane after said propelling means has completed its propelling movement toward said center area.
Claim 11
Dependent Claim
20 words
The device of claim 1 wherein said propelling means is a paddle which is centrally recessed from side to side.
Claim 12
Dependent Claim
20 words
The device of claim 1 wherein said propelling means is a paddle which is centrally recessed from end to end.
Claim 13
Dependent Claim
16 words
The device of claim 9 wherein said paddle is also centrally recessed from side to side.
Claim 14
Dependent Claim
14 words
The device of claim 1 wherein said bag engaging means comprises an open loop.
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |