US3638735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rock pickup machine
Assignee: Individual
•
Filing: 1969-11-26
•
Granted: 1972-02-01
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Expires: 1989-11-26
Abstract
Abstract A pickup reel has tracks and rollers which position pickup fingers as the reel is rotated. A step formed in the track causes the fingers to shake during rotation thus clearing same and the fingers are resiliently hinged to clear immovable objects they might encounter.
Inventors
- 👤 Nick Deneky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:08
CPC Classifications
A; A01; A01B; A01B43/00
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
183 words
A rock picker comprising in combination a wheel supported framework, a rock pickup assembly depending from said framework and extending transversely across said framework, a reel mounted for rotation above said framework and rearwardly of said rock pickup assembly, and a hopper in said framework situated to the rear of said reel, said reel including a mounting shaft, a plurality of tine supporting arms extending from adjacent the ends of said shaft, tine assemblies mounted between the ends of said arms transversely across said reel, means to rotate said reel, means to retract said tines as said tines pass through the segment of a circle adjacent said hopper, and means interconnecting said rock pickup assembly and said reel whereby the raising and lowering of said rock pickup assembly causes corresponding raising and lowering of said reel, said means to retract said tines including a pair of arcuately curved tracks operatively connected to said rock pickup assembly and said reel and antifriction means on the end of each of said tine assembly engaging said tracks and pivoting said tine assemblies into the retracted position.
Claim 2
Dependent Claim
183 words
A rock picker comprising in combination a wheel supported framework, a rock pickup assembly depending from said framework and extending transversely across said framework, a reel mounted for rotation above said framework and rearwardly of said rock pickup assembly, and a hopper in said framework situated to the rear of said reel, said reel including a mounting shaft, a plurality of tine supporting arms extending from adjacent the ends of said shaft, tine assemblies mounted between the ends of said arms transversely across said reel, means to rotate said reel, means to retract said tines as said tines pass through the segment of a circle adjacent said hopper, and means interconnecting said rock pickup assembly and said reel whereby the raising and lowering of said rock pickup assembly causes corresponding raising and lowering of said reel, said means to retract said tines including a pair of arcuately curved tracks operatively connected to said rock pickup assembly and said reel and antifriction means on the end of each of said tine assembly engaging said tracks and pivoting said tine assemblies into the retracted position.
Claim 3
Dependent Claim
78 words
The device according to claim 1 in which said pickup assembly includes a plurality of spaced and parallel shanks pivotally secured by one end thereof to said framework and extending downwardly and rearwardly therefrom, ground engaging shoes on the other ends of said shanks, transverse ground engageable rotatable rod extending through said shoes, a transverse grate extending between said other ends of said shanks, and a plurality of spaced and parallel grate rods extending rearwardly from said grate.
Claim 4
Dependent Claim
98 words
The device according to claim 2 in which said means interconnecting said reel with said rock pickup assembly includes a pair of reel supports secured by one end thereof to said rock pickup assembly, said reel shaft being journaled for rotation in the other ends of said supports, and linkage means extending between said supports and said framework, said linkage means including adjustable power means for actuating said linkage and loose link component between said power means and said linkage to permit raising and lowering of said interconnected reel and rock pickup assembly independently of said power means.
Claim 5
Dependent Claim
51 words
The device according to claim 3 in which said tine assemblies include a plurality of spaced and parallel basket shaped tines pivotally secured to said tine support arms, said tines passing between said grate bars and being positioNed to lift rocks and stones from said grate bars as they pass therebetween.
Claim 6
Dependent Claim
73 words
The device according to claim 3 in which said tine assemblies include crossbars extending between the end of said arms and being journaled for partial rotation within said ends, a plurality of spaced and parallel tines secured to said crossbars, spring means extending between said tines and said arms normally maintaining said tines in the extended position and stops on said arms engageable by said tines limiting said extending position of said tines.
Claim 7
Dependent Claim
32 words
The device according to claim 5 in which said tines pass between said grate bars and are positioned to lift rocks and stones from said grate bars as said tines pass therebetween.
Claim 8
Dependent Claim
50 words
The device according to claim 2 in which said tine assemblies include a plurality of spaced and parallel basket-shaped tines pivotally secured to said tine support arms, said tines passing between said grate bars and being positioned to lift rocks and stones from said grate bars as they pass therebetween.
Claim 9
Dependent Claim
73 words
The device according to claim 2 in which said tine assemblies include crossbars extending between the ends of said arms and being journaled for partial rotation within said ends, a plurality of spaced and parallel tines secured to said crossbars, spring means extending between said tines and said arms normally maintaining said tines in the extended position and stops on said arms engageable by said tines limiting said extending position of said tines.
Claim 10
Dependent Claim
32 words
The device according to claim 8 in which said tines pass between said grate bars and are positioned to lift rocks and stones from said grate bars as said tines pass therebetween.
Claim 11
Dependent Claim
73 words
The device according to claim 1 in which said tine assemblies include crossbars extending between the ends of said arms and being journaled for partial rotation within said ends, a plurality of spaced and parallel tines secured to said crossbars, spring means extending between said tines and said arms normally maintaining said tines in the extended position and stops on said arms engageable by said tines limiting said extending position of said tines.
Claim 12
Dependent Claim
32 words
The device according to claim 10 in which said tines pass between said grate bars and are positioned to lift rocks and stones from said grate bars as said tines pass therebetween.
Claim 13
Dependent Claim
62 words
The rock picker according to claim 1 in which said arcuately curved tracks include a tine-retraction portion adjacent said hopper and a guiding portion extending substantially through the remainder of the path followed by said tine assemblies, said major portion including a hinged, spring-loaded segment adjacent the lower side thereof whereby said tine assembly moves upwardly if an obstruction is engaged thereby.
Claim 14
Dependent Claim
20 words
The rock picker according to claim 12 which includes a stepped portion in said track acting as a shaker mechanism.
Claim 15
Dependent Claim
85 words
The rock picker according to claim 13 in which said hinged, spring-loaded segment includes a curved track portion hinged by one end thereof to the remainder of said major portion and adapted to swing upwardly relative thereto, and a compression spring reacting between said hinged segment and said framework normally biasing said segment downwardly within limits, said antifriction means on the ends of each tine assembly engaging said arcuately curved tracks on the inner surface thereof and said guiding portion upon the outer surface thereof.
Claim 16
Dependent Claim
85 words
The rock picker according to claim 12 in which said hinged, spring-loaded segment includes a curved track portion hinged by one end thereof to the remainder of said major portion and adapted to swing upwardly relative thereto, and a compression spring reacting between said hinged segment and said framework normally biassing said segment downwardly within limits, said antifriction means on the ends of each tine assembly engaging said arcuately curved tracks on the inner surface thereof and said guiding portion upon the outer surface thereof.
Claim 17
Dependent Claim
172 words
In a rock picker which includes a reel-supported framewoRk, and a hopper in said framework, a reel mounted for rotation above said framework, said reel including a mounting shaft, a plurality of tine supporting arms extending from adjacent the ends of said shaft, tine assemblies mounted between the ends of said arms transversely across said reel, means to rotate said reel, and means to retract said tines as said tines pass through the segment of the circle adjacent said hopper, said last-mentioned means including a pair of arcuately curved tracks supported in said framework and antifriction means on the end of each of said tine assemblies engaging said tracks and pivoting said tine assemblies into the retracted position, said arcuately curved tracks including a tine retraction portion adjacent said hopper and a guiding portion extending substantially through the remainder of the path followed by said tine assemblies, said major portion including a hinged, spring-loaded segment adjacent the lower side thereof whereby said tine assembly moves upwardly if an obstruction is engaged thereby.
Claim 18
Dependent Claim
172 words
In a rock picker which includes a reel-supported framewoRk, and a hopper in said framework, a reel mounted for rotation above said framework, said reel including a mounting shaft, a plurality of tine supporting arms extending from adjacent the ends of said shaft, tine assemblies mounted between the ends of said arms transversely across said reel, means to rotate said reel, and means to retract said tines as said tines pass through the segment of the circle adjacent said hopper, said last-mentioned means including a pair of arcuately curved tracks supported in said framework and antifriction means on the end of each of said tine assemblies engaging said tracks and pivoting said tine assemblies into the retracted position, said arcuately curved tracks including a tine retraction portion adjacent said hopper and a guiding portion extending substantially through the remainder of the path followed by said tine assemblies, said major portion including a hinged, spring-loaded segment adjacent the lower side thereof whereby said tine assembly moves upwardly if an obstruction is engaged thereby.
Claim 19
Dependent Claim
27 words
The device according to claim 16 in which said tine assemblies include a plurality of spaced and parallel basket-shaped tines pivotally secured to said tines support arms.
Claim 20
Dependent Claim
73 words
The device according to claim 16 in which said tine assemblies include crossbars extending between the ends of said arms and being journaled for partial rotation within said ends, a plurality of spaced and parallel tines secured to said crossbars, spring means extending between said tines and said arms normally maintaining said tines in the extended position and stops on said arms engageable by said tines limiting said extended position of said tines.
Claim 21
Dependent Claim
18 words
The device according to claim 16 which includes a stepped portion insert track acting as a shaker mechanism.
Claim 22
Dependent Claim
83 words
The according to claim 19 in which said hinged, spring-loaded segment includes a curved track portion hinged by one end thereof to the remainder of said major portion and adapted to swing upwardly relative thereto, and a compression spring reacting between said hinged segment and said framework normally biassing said segment downwardly within limits, said antifriction means on the ends of each tine assembly engaging said arcuately curved tracks on the inner surface thereof and said guiding portion upon the outer surface thereof.
Claim 23
Dependent Claim
83 words
The device according to claim 16 which said hinged, spring-loaded segment includes a curved track portion hinged by one end thereof to the remainder of said major portion and adapted to swing upwardly relative thereto, and a compression spring reacting between said hinged segment and said framework normally biassing said segment downwardly within limits, said antifriction means on the ends of each tine assembly engaging said arcuately curved tracks on the inner surface thereof and said guiding portion upon the outer surface thereof.
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |