US3589560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material dispensing mechanism
Assignee: Individual
•
Filing: 1969-03-19
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Granted: 1971-06-29
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Expires: 1989-03-19
Abstract
Abstract A material dispensing device for use, for instance, as a multipurpose garden gun, comprising a storage section adapted for receiving a quantity of material therein, such as for instance fertilizers (either liquid or solid), weed killers, (either liquid or solid) lime or the like, with a dispensing tube communicating with and extending from the storage section, and with valve means coacting with the storage section and the dispensing tube for controlling the discharge of the material from the storage section into the tube. A pistol-grip-type handle is provided, with trigger means coupled to the valve means for selective and expeditious actuation of the valve means.
Inventors
- 👤 Fred A Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:05
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; A01C15/00; A01C15/02; A01M; A01M17/00; A01M17/002; A01M25/00; A01M25/006
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
299 words
In an elongated device for dispensing material, such as for instance fertilizer and the like, from a generally upright position, comprising, a storage section defining an enlarged hopper for receiving dispensable material therein, a dispensing duct of relatively narrow cross section extending from the bottom of said hopper, the latter having an opening in said bottom thereof for communicating said hopper with said duct and an entry way in the top thereof for filling the hopper with material, said duct being of a greater height than the height of said hopper, with said hopper being disposed generally adjacent the upper end of said device on opposite sides of the vertical center plane of said device and offset laterally with respect to the vertical axis of said duct, a hollow neck portion projecting upwardly from said hopper on opposite sides of said vertical center plane of said device, a handle portion secured to said neck portion and extending laterally therefrom along said vertical center plane of said device and in a direction to overlie said offset hopper, said handle portion including a gripping section disposed in overlying relation to said hopper, valve means for controlling the flow of material from said hopper into said duct for directing the dispensable material from said device to a selected location, said valve means including a valve member coacting with said opening for closing and opening the latter, and a stem connected to said valve member and extending upwardly into said hollow neck portion, pivotal trigger means on said handle portion, said trigger means being operatively coupled to said stem for opening said valve member upon upward pivotal movement of said trigger means, said valve member being adapted to close said opening upon release of said trigger means and resultant downward pivotal movement thereof.
Claim 2
Dependent Claim
299 words
In an elongated device for dispensing material, such as for instance fertilizer and the like, from a generally upright position, comprising, a storage section defining an enlarged hopper for receiving dispensable material therein, a dispensing duct of relatively narrow cross section extending from the bottom of said hopper, the latter having an opening in said bottom thereof for communicating said hopper with said duct and an entry way in the top thereof for filling the hopper with material, said duct being of a greater height than the height of said hopper, with said hopper being disposed generally adjacent the upper end of said device on opposite sides of the vertical center plane of said device and offset laterally with respect to the vertical axis of said duct, a hollow neck portion projecting upwardly from said hopper on opposite sides of said vertical center plane of said device, a handle portion secured to said neck portion and extending laterally therefrom along said vertical center plane of said device and in a direction to overlie said offset hopper, said handle portion including a gripping section disposed in overlying relation to said hopper, valve means for controlling the flow of material from said hopper into said duct for directing the dispensable material from said device to a selected location, said valve means including a valve member coacting with said opening for closing and opening the latter, and a stem connected to said valve member and extending upwardly into said hollow neck portion, pivotal trigger means on said handle portion, said trigger means being operatively coupled to said stem for opening said valve member upon upward pivotal movement of said trigger means, said valve member being adapted to close said opening upon release of said trigger means and resultant downward pivotal movement thereof.
Claim 3
Dependent Claim
84 words
A device in accordance with claim 1 wherein said valve member is of generally conical-shaped configuration and includes a relatively sharply tapered lower nose section, and a lesser tapered intermediate section, and a widened upper end section, said intermediate section coacting with said opening so as to initially provide for a relatively low rate of opening area change during initial opening movement of said valve means, and then providing a much faster rate of change when said nose section is raised into said opening.
Claim 4
Dependent Claim
23 words
A device in accordance with claim 1 including adjustable means for variably limiting the maximum extent of opening movement of said valve means.
Claim 5
Dependent Claim
50 words
A device in accordance with claim 1 wherein said trigger means on said handle portion comprises an elongated trigger pivoted at one end thereof to said handle portion and movably coupled adjacent the other end thereof to said stem, and said valve means is actuated to closing position by gravity.
Claim 6
Dependent Claim
71 words
A device in accordance with claim 1 wherein said handle portion is hollow, said trigger means on said handle portion comprises an elongated trigger member pivoted adjacent one end thereof to said handle portion and movably coupled adjacent the other end thereof to said stem, and including spring means coacting with said trigger means for urging said valve means to closing position, said handlE portion being of a pistol grip type.
Claim 7
Dependent Claim
55 words
A device in accordance with claim 1 wherein said trigger means comprises an elongated member pivoted adjacent one end thereof to said handle portion and having a head portion extending through an opening in said handle portion, said head portion being adapted for actuation by the finger of an operator''s hand gripping said handle portion.
Claim 8
Dependent Claim
29 words
A device in accordance with claim 6 including spring means coacting with said trigger means and urging said head portion of said trigger means outwardly of the last-mentioned opening.
Claim 9
Dependent Claim
122 words
A device in accordance with claim 1 wherein said handle portion comprises a main generally vertically oriented section secured to said neck portion and a separable generally vertically oriented section detachably secured to said main section, one of said handle sections providing a substantially flat vertically extending guide surface disposed in confronting relation to the other of said handle sections, said other handle section having a recess therein, and said trigger means being movably mounted in said recess of said other section and guided for movement by said guide surface, said trigger means being of elongated configuration and pivoted adjacent one end thereof to said handle portion and movably connected at the other end thereof to said stem of said valve means.
Claim 10
Dependent Claim
41 words
A device in accordance with claim 1 wherein said trigger means on the handle portion for operating the valve means comprises an elongated pivotal trigger member, and adjustable stop means for selectively limiting the maximum pivotal movement of said trigger member.
Claim 11
Dependent Claim
61 words
A device in accordance with claim 9 wherein the means for limiting the movement of maximum trigger member comprises an abutment, means adjustably mounting the abutment on said device, and pointer means on said abutment and indicia on said device adapted for coaction for identifying the amount of permissible movement of said trigger member in a selected position of said abutment.
Claim 12
Dependent Claim
47 words
A device in accordance with claim 10 including means on said handle portion for guiding the movement of said abutment upon adjustment thereof, and releasable means coacting with said handle portion and said abutment for locking the abutment in selected position with respect to said trigger member.
Claim 13
Dependent Claim
31 words
A device in accordance with claim 1 including detachable agitator means coacting with said valve means for breaking up caked material in said storage section during movement of said valve means,
Claim 14
Dependent Claim
28 words
A device in accordance with claim 12 wherein said agitator means comprises generally horizontally extending spaced fingers, and means for detachably clipping said fingers to said valve means.
Claim 15
Dependent Claim
52 words
A device in accordance with claim 1 wherein said device is of such overall height that said handle portion is disposed at a level approximately the level of the hands of a user in the standing position of the latter when the discharge end of said duct is at approximately ground level.
References Cited (Backward Citations)
US2861721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |