Fluid actuated reciprocating tool

Claim 2

A tool for installing swage locking pins and collars including a swaging and installing means having swaging means for forming the collar comprising in combination: a. A pneumatic system including a pneumatic piston for driving a driving piston when activated in one direction and for driving a hollow cylinder when activated in opposite direction, b. said driving piston being part of a first hydraulic system, c. said hollow cylinder being part of a second hydraulic system, d. a working piston and rod assembly adapted to move one way by positive hydraulic liquid pressure of said first hydraulic system caused by said driving piston when driven and said assembly adapted to move the opposite way by positive hydraulic liquid pressure of said second hydraulic system caused by said hollow cylinder when driven, e. said swaging and installing means for swaging a said associated collar about a said associated to be installed pin, actuated by said working piston and rod assembly whereby said swaging and installing operation occurs when said driving piston is driven and whereby after said associated swaged collar is ejected said swaging and installing means is repositioned when said hollow cylinder is driven for a next swaging and installing operation.

Claim 3

The tool is claimed in claim 1 wherein said pneumatic piston in said pneumatic system is connected to said driving piston end wherein said hollow cylinder is formed internally in said driving piston so that said pneumatic piston, said driving piston and said hollow cylinder is one part wherein said driving piston has the double function of driving piston and pneumatic piston rod for said pneumatic system.

Claim 4

The tool as claimed in claim 2 wherein said pneumatic system is provided with a gas triggering and valving device for switching said pneumatic piston in said one direction and said opposite direction and wherein said device forms part of said tool and said pneumatic system pressure source and associate external power source to be coupled therewith.

Claim 5

A tool as claimed in claim 3 wherein said pneumatic system and said gas and triggering device and part of said second hydraulic system are substantially combined into one base housng and wherein part of said first hydraulic system and part of said second hydraulic system are substantially located in a holding housing connected to said base housing and wherein said swaging and installing means and said working rod and piston is contained with part of said first and part of said second hydraulic system in an upper housing, said upper housing being connected to said holding housing so that said upper housing, said holding housing and said base housing forms a one piece portable tool.

Claim 6

A tool for installing swage locking pins and collars including a swaging and installing means having a swaging sleeve for forming the collar and a slidable sleeve, serrated segmented sections within said slidable sleeve for engaging pintail stem of said pin, comprising in combination: a. an upper housing member forming an enclosed hydraulic cylinder which is divided into a first and a second chamber by a movable mounted hydraulic working piston, b. a tubular piston rod passing through said first and second chamber and carrying said working piston, c. said swaging and installing means mounted to said upper housing member adjacent the first chamber and receiving said tubular rod on which said slidable sleeve is connected, d. a base housing, e. a holding housing member interconnecting said upper housing member with said base housing, f. said base housing containing a gas cylinder which is divided into a first gas chamber and a second gas chamber by a double acting gas piston, g. a vertical piston rod having a hollow traveling cylinder formed therein and an integrally connected vertically extended driving piston upon said vertical piston rod, h. said holding housing member forming a cylinder bore in which said driving piston extends for reciprocal movement therein, i. said cylinder bore connected by a first passageway to said first chamber in said upper housing member, j. a stationary tubular piston rod member in said second gas chamber of said base housing and disposed to be received within said hollow traveling cylinder, k. said combined upper, holding and base housing containing a second passageway that interconnects said second chamber via said stationary tubular piston rod with said hollow traveling cylinder, l. first liquid means contained in said cylinder bore, said first passageway and said first chamber forming a first hydraulic system, m. second liquid means contained in second chamber, second passageway, said tubular piston rod and said traveling cylinder, forming a second hydraulic system, n. a gas triggering and valving device connected to said base housing adapted to move said gas piston up or down by associated gas pressure source connected therewith whereby said gas piston in upwards movement will move said driving piston and via said liquid pressure said working piston from said first toward said second chamber thereby pulling said tubular rod and said associated sleeve-pintail engagement so that said collar is swaged about said pin and whereby said continued pressure cooperates to break said pintail and whereby said gas piston in said downwards direction will move said traveling cylinder and said second liquid to move said working piston and said rod from a rearward position toward said first chamber and said slidable sleeve ejects said swaged collar from collar from said swaging cavity, and is in position for reengagement of a next pin and collar assembly operation.

Claim 7

A tool for installing swage locking pins and collars including a swaging and installing means having a swaging sleeve for forming the collar and a slidable sleeve, serrated segmented sections within said slidable sleeve for engaging pintail stem of said pin, comprising in combination: a. an upper housing member forming an enclosed hydraulic cylinder which is divided into a first and a second chamber by a movable mounted hydraulic working piston, b. a tubular piston rod passing through said first and second chamber and carrying said working piston, c. said swaging and installing means mounted to said upper housing member adjacent the first chamber and receiving said tubular rod on which said slidable sleeve is connected, d. a base housing, e. a holding housing member interconnecting said upper housing member with said base housing, f. said base housing containing a gas cylinder which is divided into a first gas chamber and a second gas chamber by a double acting gas piston, g. a vertical piston rod having a hollow traveling cylinder formed therein and an integrally connected vertically extended driving piston upon said vertical piston rod, h. said holding housing member forming a cylinder bore in which said driving piston extends for reciprocal movement therein, i. said cylinder bore connected by a first passageway to said first chamber in said upper housing member, j. a stationary tubular piston rod member in said second gas chamber of said base housing and disposed to be received within said hollow traveling cylinder, k. said combined upper, holding and base housing containing a second passageway that interconnects said second chamber via said stationary tubular piston rod with said hollow traveling cylinder, l. first liquid means contained in said cylinder bore, said first passageway and said first chamber forming a first hydraulic system, m. second liquid means contained in second chamber, second passageway, said tubular piston rod and said traveling cylinder, forming a second hydraulic system, n. a gas triggering and valving device connected to said base housing adapted to move said gas piston up or down by associated gas pressure source connected therewith whereby said gas piston in upwards movement will move said driving piston and via said liquid pressure said working piston from said first toward said second chamber thereby pulling said tubular rod and said associated sleeve-pintail engagement so that said collar is swaged about said pin and whereby said continued pressure cooperates to break said pintail and whereby said gas piston in said downwards direction will move said traveling cylinder and said second liquid to move said working piston and said rod from a rearward position toward said first chamber and said slidable sleeve ejects said swaged collar from collar from said swaging cavity, and is in position for reengagement of a next pin and collar assembly operation.

Claim 8

A tool as claimed in claim 5 wherein said double acting gas piston is connected to said vertical piston rod for guidance thereof and wherein said gas piston, said vertical piston rod, said driving piston and said hollow traveling cylinder form together one movable positioned part in said tool for moving said gas piston, said first liquid means and said second liquid means simultaneously.

Claim 9

A tool as claimed in claim 6 wherein said first and second liquid meanns are a suitable hydraulic fluid.

Claim 10

A tool as claimed in claim 7 wherein said gas triggering and valving device and said double acting gas piston in said gas cylinder are a pneumatic system powered by said associated gas pressure source.