Portable,nonelectrical radiographic device

Claim 2

A non-electrical radiographic device for use with an isotopic energy source, comprising in combination: a. housing means including: 1. a first component defining a shaped energy source cavity adjacent and contiguous therewith to one extremity thereof, said first component having means integral therewith for lockably securing a second component to one extremity thereof, said first component also defining a shaped aperture extending from the lower inner face of said source cavity to the opposite extremity thereof and adapted to laterally receive a plurality of shutter means; 2. a second component forming a cover shield member for said first component and having a first locking means integral therewith for locking engagement with said lockably securing means of said first component and a second locking means fixedly attached thereto for locking engagement between said first component and a shutter means; b. shutter means defining a plurality of shaped apertures, said shutter means operable to cause said shaped apertures to come into registry with the shaped aperture defined by said housing component, at least one shutter having means fixedly attached thereto for locking engagement between said second locking means of said cover component and said shutter means; and c. means operable to cause the apertures defined by each of said shutters to selectively register with apertures defined by said housing components or alternately be withdrawn from such registry.

Claim 3

a second component forming a cover shield member for said first component and having a first locking means integral therewith for locking engagement with said lockably securing means of said first component and a second locking means fixedly attached thereto for locking engagement between said first component and a shutter means; b. shutter means defining a plurality of shaped apertures, said shutter means operable to cause said shaped apertures to come into registry with the shaped aperture defined by said housing component, at least one shutter having means fixedly attached thereto for locking engagement between said second locking means of said cover component and said shutter means; and c. means operable to cause the apertures defined by each of said shutters to selectively register with apertures defined by said housing components or alternately be withdrawn from such registry.

Claim 4

a second component forming a cover shield member for said first component and having a first locking means integral therewith for locking engagement with said lockably securing means of said first component and a second locking means fixedly attached thereto for locking engagement between said first component and a shutter means; b. shutter means defining a plurality of shaped apertures, said shutter means operable to cause said shaped apertures to come into registry with the shaped aperture defined by said housing component, at least one shutter having means fixedly attached thereto for locking engagement between said second locking means of said cover component and said shutter means; and c. means operable to cause the apertures defined by each of said shutters to selectively register with apertures defined by said housing components or alternately be withdrawn from such registry.

Claim 5

The device defined in claim 1 wherein said first component of said housing means is selectively separable into two portions, at least one of said portions adapted to receive shutter means and at least one of said position having means for effecting locking engagement with said second component each of said positions having means operable to selectively receive a second cover shield member on the extremity thereof furthest removed from said first cover.

Claim 6

a pin guide fixedly attached to said second cover and defining two apertures therein;

Claim 7

a pin guide fixedly attached to said second cover and defining two apertures therein;

Claim 8

a first pin guide fixedly attached to a first cover and defining two apertures for reception for said pin therein;

Claim 9

a first pin guide fixedly attached to a first cover and defining two apertures for reception for said pin therein;

Claim 10

a second pin guide fixedly attached to an adjusting arm and defining two apertures for reception of said pin therein;

Claim 11

a second pin guide fixedly attached to an adjusting arm and defining two apertures for reception of said pin therein;

Claim 12

a shutter stop fixedly attached to said source holder component and defining two apertures therein;

Claim 13

a shutter stop fixedly attached to said source holder component and defining two apertures therein;

Claim 14

The device defined in claim 1 wherein said housing means slideably receives said plural spaced shutter means.

Claim 15

The device defined in claim 2 wherein said housing means has a longitudinal axis established by a centerline drawn vertically through the aperture defined by said housing Component and, said spaced shutter means are slideably unilaterally movable in a direction normal to said vertical axis.

Claim 16

a spring retaining rod defining an aperture on one end thereof and fixedly attached to said shutter element, the apertures defined by the various components of the locking means being capable of alignment in two positions which in turn position the shutter attached to the spring retaining rod so as to place the conical aperture defined by said shutter element in or out of registry with the conical aperture defined by said source holder component and capable of being further secured by insertion of a padlock or the like through said apertures.

Claim 17

a spring retaining rod defining an aperture on one end thereof and fixedly attached to said shutter element, the apertures defined by the various components of the locking means being capable of alignment in two positions which in turn position the shutter attached to the spring retaining rod so as to place the conical aperture defined by said shutter element in or out of registry with the conical aperture defined by said source holder component and capable of being further secured by insertion of a padlock or the like through said apertures.

Claim 18

a shutter stop fixedly attached to a source holder component and defining two apertures for reception of said pin therein; and

Claim 19

a shutter stop fixedly attached to a source holder component and defining two apertures for reception of said pin therein; and

Claim 20

a spring retaining rod defining an aperture on one end thereof and fixedly attached to a shutter element, the apertures defined by the various components of the locking means being capable of alignment in two positions which in turn position the shutter attached to the spring retaining rod so as to place the conical aperture defined by said shutter in or out of registry with the conical aperture defined by the source holder component and capable of being further secured by insertion of a padlock or the like through said apertures; f. a first shutter element defining a conically shaped downwardly diverging aperture, said element being shaped so as to be laterally and slidably received into the cavity defined by said source holder component and adapted so as to have fixedly attached thereto a spring retaining rod on one lateral extremity thereof and a headed safety pin on the extremity opposite thereto; g. a second shutter element defining a conically shaped downwardly diverging aperture said shUtter element being shaped so as to be laterally and slidably received into cavity defined by said operative receptacle component and adapted so as to have operably attached thereto an actuating means; h. a cover member shaped so as to receive said second shutter element and configured so as to be capable of being fittedly affixed to said operative receptacle component; i. a base supporting member defining a means for placement of film to be exposed; j. a vertical member extending upwardly from and secured to said base supporting member; k. a carrying arm adapted on one extremity so as to be capable of fixedly attaching to said source holder component and so configured as to be capable of containing said actuating means, said carrying arm being adapted on the other extremity so as to be selectably positionable upon said vertical member.

Claim 21

a spring retaining rod defining an aperture on one end thereof and fixedly attached to a shutter element, the apertures defined by the various components of the locking means being capable of alignment in two positions which in turn position the shutter attached to the spring retaining rod so as to place the conical aperture defined by said shutter in or out of registry with the conical aperture defined by the source holder component and capable of being further secured by insertion of a padlock or the like through said apertures; f. a first shutter element defining a conically shaped downwardly diverging aperture, said element being shaped so as to be laterally and slidably received into the cavity defined by said source holder component and adapted so as to have fixedly attached thereto a spring retaining rod on one lateral extremity thereof and a headed safety pin on the extremity opposite thereto; g. a second shutter element defining a conically shaped downwardly diverging aperture said shUtter element being shaped so as to be laterally and slidably received into cavity defined by said operative receptacle component and adapted so as to have operably attached thereto an actuating means; h. a cover member shaped so as to receive said second shutter element and configured so as to be capable of being fittedly affixed to said operative receptacle component; i. a base supporting member defining a means for placement of film to be exposed; j. a vertical member extending upwardly from and secured to said base supporting member; k. a carrying arm adapted on one extremity so as to be capable of fixedly attaching to said source holder component and so configured as to be capable of containing said actuating means, said carrying arm being adapted on the other extremity so as to be selectably positionable upon said vertical member.

Claim 22

The device defined in claim 1 wherein at least one of said shutter means is selectively actuated by a timer mechanism.

Claim 23

The device defined in claim 2 wherein at least one of said shutter means is selectively actuated by a timer mechanism.

Claim 24

The device defined in claim 1 wherein said means operable to selectively cause apertures defined by said shutters to register with apertures defined by said housing apparatus is a yoke and slotted wheel assembly operably attached to a timer mechanism.

Claim 25

A nonelectrical radiographic device constructed from material which is resistant to penetration by gamma and X-rays for use with an isotopic energy source comprising in combination: a. a source holder component having a concentric threaded boss on the upper extremity thereof and defining a cylindrically shaped energy source cavity adjacent and contiguous to one extremity thereof, said source holder component being adapted to slidably laterally receive shutter means and further defining a conical aperture shaped so as to diverge to the lower extremity, said conical aperture extending from the lower end of said cylindrically shaped energy source cavity and connecting therewith to the lower extremity thereof which has integral thereto a second concentric threaded boss; b. an operative receptacle component internally tapped so as to be received onto the threaded boss on the lower extremity of said source holder component, and adapted so as to slidably and laterally receive shutter means, and further defining a conical shaped aperture with continuous downward divergence which when the operative receptacle component is affixed to the source holder component is aligned in registry with the conical aperture defined by the source holder component and extends to the bottom extremity of said operating receptacle component which is externally threaded; c. a first safety end plate internally tapped on one side to accept the threaded lower end of said operative receptacle component and is also internally tapped on its reverse side to accept the threaded boss on the bottom of said source holder component; d. a second shield cover capable of being bolted to said source holder component which is internally tapped to be threadedly received onto the upper threaded boss of said source holder component; e. locking means comprised of:

Claim 26

A nonelectrical radiographic device constructed from material which is resistant to penetration by gamma and X-rays for use with an isotopic energy source comprising in combination: a. a source holder component having a concentric threaded boss on the upper extremity thereof and defining a cylindrically shaped energy source cavity adjacent and contiguous to one extremity thereof, said source holder component being adapted to slidably laterally receive shutter means and further defining a conical aperture shaped so as to diverge to the lower extremity, said conical aperture extending from the lower end of said cylindrically shaped energy source cavity and connecting therewith to the lower extremity thereof which has integral thereto a second concentric threaded boss; b. an operative receptacle component internally tapped so as to be received onto the threaded boss on the lower extremity of said source holder component, and adapted so as to slidably and laterally receive shutter means, and further defining a conical shaped aperture with continuous downward divergence which when the operative receptacle component is affixed to the source holder component is aligned in registry with the conical aperture defined by the source holder component and extends to the bottom extremity of said operating receptacle component which is externally threaded; c. a first safety end plate internally tapped on one side to accept the threaded lower end of said operative receptacle component and is also internally tapped on its reverse side to accept the threaded boss on the bottom of said source holder component; d. a second shield cover capable of being bolted to said source holder component which is internally tapped to be threadedly received onto the upper threaded boss of said source holder component; e. locking means comprised of:

Claim 27

The device defined in claim 8 wherein the actuating means is a mechanical timer system operably and fixedly attached to said second shutter element through a spring loaded actuation assembly by a shutter arm and yoke, said yoke being attached by a pin to a wheel assembly which when rotated against said actuation spring of said wheel assembly causes the desired positioning of the aperture defined by said operative receptacle component.