US3768574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof drilling and bolting apparatus having an operator carrying and protective device
Assignee: LONG-AIRDOX COMPANY FORMERLY A DIVISION OF MARMON Corp
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Filing: 1972-09-08
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Granted: 1973-10-30
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Expires: 1992-09-08
Abstract
Abstract An operator protective device for operator controlled apparatus, the protective device including a platform upon which an operator may be situated and a canopy extending over at least a portion of the platform and having at least an overhanging portion thereof spaced from the platform to provide a protective cover over an operator situated on the platform. Means is provided to selectively increase and decrease the relative spaced apart distance between the platform and the portion of the canopy which extends thereover, which means may also include means for movement of both the platform and the canopy as a unit with respect to the apparatus while maintaining a fixed relative spaced apart distance between the platform and the portion of the canopy which extends thereover.
Inventors
- 👤 J Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:44
CPC Classifications
E; E21; E21D; E21D20/00; E21D20/003; E21B; E21B19/00; E21B19/08; E21B19/087; E21B7/00; E21B7/02
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
320 words
In a roof drilling and bolting machine of the type nromally operative in relatively confined places having a ground floor and a roof, such as mine passageways and the like, the combination of a main frame, a pair of drilling and bolting means mounted on said main frame and extending outwardly from one end thereof, means mounted on said main frame and operatively connected to said drilling and bolting means for operation thereof, said drilling and bolting means being horizontally spaced apart in a relatively fixed position with respect to each other to define an intermediate space providing an operator and control position therebetween and having drilling and bolting heads spaced apart a nominal distance according to the design spacing of a pair of drilling and bolting places, and operator station means provided substantially intermediate said pair of drilling and bolting means in the operator and control position therebetween, said operator station means including an operator carrying protective device, said operator carrying protective device including platform means upon which an operator may be situated and canopy means extending over at least a portion of said platform means and having at least an overhanging portion thereof spaced apart from said platform means to provide a protective cover over an operator situated on said platform means, support means for mounting of said platform means and said canopy means on said main frame of said machine, and means for movement of both said platform means and said canopy means relative to said main frame of said machine and to each other to selectively increase and decrease the relative spaced apart distance between said platform means and said portion of said canopy means which extends thereover and is spaced apart therefrom, said last mentioned means including means for selectively moving said platform means into abutment with a ground floor and said canopy means into abutment with the roof of the confined place being worked.
Claim 2
Dependent Claim
320 words
In a roof drilling and bolting machine of the type nromally operative in relatively confined places having a ground floor and a roof, such as mine passageways and the like, the combination of a main frame, a pair of drilling and bolting means mounted on said main frame and extending outwardly from one end thereof, means mounted on said main frame and operatively connected to said drilling and bolting means for operation thereof, said drilling and bolting means being horizontally spaced apart in a relatively fixed position with respect to each other to define an intermediate space providing an operator and control position therebetween and having drilling and bolting heads spaced apart a nominal distance according to the design spacing of a pair of drilling and bolting places, and operator station means provided substantially intermediate said pair of drilling and bolting means in the operator and control position therebetween, said operator station means including an operator carrying protective device, said operator carrying protective device including platform means upon which an operator may be situated and canopy means extending over at least a portion of said platform means and having at least an overhanging portion thereof spaced apart from said platform means to provide a protective cover over an operator situated on said platform means, support means for mounting of said platform means and said canopy means on said main frame of said machine, and means for movement of both said platform means and said canopy means relative to said main frame of said machine and to each other to selectively increase and decrease the relative spaced apart distance between said platform means and said portion of said canopy means which extends thereover and is spaced apart therefrom, said last mentioned means including means for selectively moving said platform means into abutment with a ground floor and said canopy means into abutment with the roof of the confined place being worked.
Claim 3
Dependent Claim
101 words
A roof drilling and bolting machine as specified in claim 1 includiNg tram means mounted on said main frame for tramming of said machine from one position to another, said means for movement of both said platform means and said canopy means relative to said frame of said machine and to each other including means for movement of said platform means and said canopy means as a unit with respect to said main frame for maintaining a fixed relative spaced apart distance between said platform means and said portion of said canopy means which extends thereover and is spaced apart therefrom.
Claim 4
Dependent Claim
235 words
A roof drilling and bolting machine as specified in claim 1 wherein said platform means includes an elongated frame which extends substantially intermediate said pair of drilling and bolting means and is provided adjacent the end thereof adjacent the outermost reaches of said drilling and bolting means with an operator receiving portion upon which an operator may be situated and is provided adjacent the other end thereof with pivot means, said pivot means comprising said support means for mounting of said platform means on said main frame and providing a pivotal interconnection for said platform means to said main frame for vertical pivotal movement of said platform means intermediate the said drilling and bolting means, and said canopy means includes an elongated frame extending substantially intermediate said drilling and bolting means and provided adjacent the end thereof adjacent the outermost reaches of said drilling and bolting means with a cover portion extending over and in a spaced apart position with respect to at least a portion of said operator receiving portion of said platform means and is provided adjacent the other end thereof with pivot means which comprises said support means for mounting of said canopy means on said main frame, said last mentioned pivot means interconnecting said canopy means to said main frame for vertical pivotal movement of said canopy means with respect to said platform means and intermediate said drilling and bolting means.
Claim 5
Dependent Claim
89 words
A roof drilling and bolting machine as specified in claim 3 wherein said means for movement of both said platform means and said canopy means relative to each other and to said main frame of said machine includes a first means operatively interconnected between said main frame and said platform means for relative movement of said platform means with respect to said main frame and means operatively interconnected between said platform means and said canopy means for relative movement of said canopy means with respect to said platform means.
Claim 6
Dependent Claim
41 words
The combination as specified in claim 4 wherein said last mentioned means includes relief overload means to permit said canopy means to yield under conditions of extreme roof overload and said canopy means includes a deflector portion for deflecting roof falls.
Claim 7
Dependent Claim
258 words
In a roof drilling and bolting machine of the type normally operative in relatively confined places having a ground floor and a roof, such as mine passageways and the line, the combination of a main frame, a pair of drilling and bolting means mounted on said main frame and extending outwardly from one end thereof, means mounted on said main frame and operatively connected to said drilling and bolting means for operation thereof, said drilling and bolting means being horizontally spaced apart in a relatively fixed position with respect to each other to define an intermediate space providing an operator and control position therebetween and having drilling and bolting heads spaced apart a nominal distance according to the design spacing of a pair of drilling and bolting places, and operator station means provided substantially intermediate said pair of drilling and bolting means in the operator and control position therebetween, said operator station means including an operator protective device including canopy means having an overhanging cantilever portion extending over said operator and control position and support means for mounting said canopy means on said main frame with said overhanging cantilever portion extending as a cantilever over said operator and control position in a spaced-apart relation above said operator and control position to provide a protective cover over an operator situated at said operator and control position and means for selective movement of said canopy means to selectively increase and decrease the relative spaced-apart distance of said overhanging cantilever portion of said canopy means above said operator and control position.
Claim 8
Dependent Claim
258 words
In a roof drilling and bolting machine of the type normally operative in relatively confined places having a ground floor and a roof, such as mine passageways and the line, the combination of a main frame, a pair of drilling and bolting means mounted on said main frame and extending outwardly from one end thereof, means mounted on said main frame and operatively connected to said drilling and bolting means for operation thereof, said drilling and bolting means being horizontally spaced apart in a relatively fixed position with respect to each other to define an intermediate space providing an operator and control position therebetween and having drilling and bolting heads spaced apart a nominal distance according to the design spacing of a pair of drilling and bolting places, and operator station means provided substantially intermediate said pair of drilling and bolting means in the operator and control position therebetween, said operator station means including an operator protective device including canopy means having an overhanging cantilever portion extending over said operator and control position and support means for mounting said canopy means on said main frame with said overhanging cantilever portion extending as a cantilever over said operator and control position in a spaced-apart relation above said operator and control position to provide a protective cover over an operator situated at said operator and control position and means for selective movement of said canopy means to selectively increase and decrease the relative spaced-apart distance of said overhanging cantilever portion of said canopy means above said operator and control position.
Claim 9
Dependent Claim
60 words
The combination as specified in claim 6 wherein said last mentioned means includes means for movement of said canopy means into abutment with the roof of the confined place being worked and relief overload means to permit said canopy means to yield under conditions of extreme roof overload and said canopy means includes a deflector portion for deflecting roof falls.
Claim 10
Dependent Claim
148 words
The combination as specified in claim 6 wherein said operator station means includes platform means extending beyond said main frame to provide a platform upon which an operator may be situated at said operator and control position, and support means for mounting said platform means on said main frame, said overhanging cantilever portion of said canopy means extended in a spaced-apart relation over at least a portion of said platform means to provide a protective cover over an operator situated on said platform means, said support means for said canopy means and said platform means including means for selective movement of at least one said platform means and said canopy means with respect to the other to selectively increase and decrease the relative spaced-apart distance between said platform means and said overhanging cantilever portion of said canopy means which extends over said platform means and is spaced-apart therefrom.
Claim 11
Dependent Claim
73 words
The combination as specified in claim 8 wherein said means for selective movement of at least one said platform means and said canopy means includes means for movement of both said platform means and said canopy means as a unit with respect to said main frame while maintaining a fixed relative spaced-apart distance between said platform means and said overhanging cantilever portion of said canopy means which extends thereover and is spaced-apart therefrom.
Claim 12
Dependent Claim
73 words
The combination as specified in claim 8 wherein said means for selective movement of at least one said platform means and said canopy means includes means for movement of both said platform means and said canopy means as a unit with respect to said main frame while maintaining a fixed relative spaced-apart distance between said platform means and said overhanging cantilever portion of said canopy means which extends thereover and is spaced-apart therefrom.
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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |