Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
216 words
A device for selectively bringing a format film to a projection station in an image projection system comprising in combination, a cassette containing vertically arranged format films, each format film comprising a mount having guiding means and locating means thereon, a cassette support means for supporting said cassette, cassette vertically moving means for moving the cassette support means up and down, a format film gripping means movable between the projection station and a format film in the cassette which is located at the same level as the projection station, said format film gripping means releasing said format film in the cassette and holding the same when the format film gripping means starts to move from the cassette to the projection station, format film horizontally moving means for moving the format film in the horizontal direction, and guiding means and locating means on said device for respectively cooperating with the guiding means and locating means on the format film, whereby the cassette vertically moving means moves the cassette support means in the vertical direction to select the format film to be brought to the projection station, and the format film horizontally moving means moves the selected format film, guided by said guiding means, to the projection station in which it is accurately positioned by said locating means.
Claim 2
Independent Claim
216 words
A device for selectively bringing a format film to a projection station in an image projection system comprising in combination, a cassette containing vertically arranged format films, each format film comprising a mount having guiding means and locating means thereon, a cassette support means for supporting said cassette, cassette vertically moving means for moving the cassette support means up and down, a format film gripping means movable between the projection station and a format film in the cassette which is located at the same level as the projection station, said format film gripping means releasing said format film in the cassette and holding the same when the format film gripping means starts to move from the cassette to the projection station, format film horizontally moving means for moving the format film in the horizontal direction, and guiding means and locating means on said device for respectively cooperating with the guiding means and locating means on the format film, whereby the cassette vertically moving means moves the cassette support means in the vertical direction to select the format film to be brought to the projection station, and the format film horizontally moving means moves the selected format film, guided by said guiding means, to the projection station in which it is accurately positioned by said locating means.
Claim 3
Dependent Claim
26 words
A device as defined in claim 1 wherein said cassette vertically moving means comprises a Geneva gear mechanism for moving the cassette support means vertically intermittently.
Claim 4
Dependent Claim
21 words
A device as defined in claim 1 wherein said format film gripping means comprises a fixed arm and a swingable arm.
Claim 5
Dependent Claim
64 words
A device as defined in claim 3 wherein there is provided a slidable member and a fixed member, said swingable arm being engaged with said slidable member to be swung to a releasing position to release the format film in response to slide of the slidable member caused by said slidable member abutting said fixed member where the gripping means comes to the cassette.
Claim 6
Independent Claim
217 words
A device for selectively bringing a format film to a projection station in an image projection system comprising in combination, a cassette containing vertically arranged format films, a cassette support means for supporting said cassette, cassette vertically moving means for moving the cassette support means up and down, a format film gripping means comprising a fixed arm and a swingable arm movable between the projection station and a format film in the cassette which is located at the same level as the projection station, a slidable member and a fixed member, said swingable arm being engaged with said slidable member to be swung to a releasing position to release the format film in response to slide of the slidable member caused by said slidable member abutting said fixed member when the gripping means comes to the cassette, and said gripping means holding said format film when the gripping means starts to move from the cassette to the projection station, and format film horizontally moving means for moving the format film in the horizontal direction, whereby the cassette vertically moving means moves the cassette support means in the vertical direction to select the format film to be brought to the projection station, and the format film horizontally moving means moves the selected format film to the projection station.
Claim 7
Independent Claim
217 words
A device for selectively bringing a format film to a projection station in an image projection system comprising in combination, a cassette containing vertically arranged format films, a cassette support means for supporting said cassette, cassette vertically moving means for moving the cassette support means up and down, a format film gripping means comprising a fixed arm and a swingable arm movable between the projection station and a format film in the cassette which is located at the same level as the projection station, a slidable member and a fixed member, said swingable arm being engaged with said slidable member to be swung to a releasing position to release the format film in response to slide of the slidable member caused by said slidable member abutting said fixed member when the gripping means comes to the cassette, and said gripping means holding said format film when the gripping means starts to move from the cassette to the projection station, and format film horizontally moving means for moving the format film in the horizontal direction, whereby the cassette vertically moving means moves the cassette support means in the vertical direction to select the format film to be brought to the projection station, and the format film horizontally moving means moves the selected format film to the projection station.