Stud punch tool

A stud punch tool comprising:

• a lower frame comprising a body portion having a front end and a rear end, a head portion having a front end and a rear end, said rear end of said head portion extending from said front end of said body portion, said head portion comprising an upper portion connected to a lower portion, said upper and lower portions being separated from each other by a space for receiving a workpiece to be punched therein, a handle portion extending from said rear end of said body portion and capable of being gripped by a user, a first ear having a fixed end and a free end, said fixed end extending from said body portion rearwardly of the head portion and forwardly of said handle portion, said first ear extending upwardly from said fixed end and toward said front end of said body portion and terminating in said free end, a second ear having a fixed end and a free end, said fixed end of said second ear extending from said body portion rearwardly of the head portion and forwardly of said handle portion, said second ear extending upwardly from said fixed end and toward said front end of said body portion and terminating in said free end of said second ear, said first and second ears being spaced apart from each other;
• an upper handle attached to said free ends of said first and second ears, said upper handle including a cam surface, said upper handle being moveable relative to said lower frame upon movement by a user;
• and
• a punching assembly connected to said head portion of said lower frame and connected to said upper handle, said punching assembly including a shaft extending through said upper portion of said head portion and having a cam engagement on an upper end thereof, a punch having a punching edge on a lower end thereof and a die mounted in said lower portion, said cam engagement forming at least one cam surface, said cam surface of said upper handle engaging with said at least one cam surface of said cam engagement, said upper handle and said shaft being moveable relative to each other;
• wherein an outer surface of said cam engagement extends beyond an outer surface of said shaft;
• and
• further including a sleeve having a passageway therethrough, said shaft being mounted within said passageway, and a spring mounted between an upper end of said sleeve and said cam engagement.

A stud punch tool comprising:

• a lower frame comprising a body portion having a front end and a rear end, a head portion having a front end and a rear end, said rear end of said head portion extending from said front end of said body portion, a handle portion extending from said rear end of said body portion and capable of being gripped by a user, a first ear having a fixed end and a free end, said fixed end extending from said body portion rearwardly of the head portion and forwardly of said handle portion, said first ear extending upwardly from said fixed end and toward said front end of said body portion and terminating in said free end, a second ear having a fixed end and a free end, said fixed end of said second ear extending from said body portion rearwardly of the head portion and forwardly of said handle portion, said second ear extending upwardly from said fixed end and toward said front end of said body portion and terminating in said free end of said second ear, said first and second ears being spaced apart from each other;
• an upper handle attached to said free ends of said first and second ears, said upper handle includes a lip which extends outwardly from said body portion, said lip forming a cam surface of said upper handle, said upper handle being moveable relative to said lower frame upon movement by a user;
• and
• a punching assembly connected to said head portion of said lower frame and connected to said upper handle, said punching assembly including a shaft, a cam engagement on an upper end of said shaft, and a punch having a punching edge on a lower end of said shaft, said cam engagement comprising a first cam surface at an upper end of said shaft, a pair of arms extending from opposite sides of said first cam surface, each said arm having a vertical section and a horizontal section, said horizontal section being spaced from said first cam surface, a cam surface formed on a lower end of said horizontal section thereby defining second and third cam surfaces, a passageway formed between said first cam surface and said second and third cam surfaces, said first, second and third cam surfaces engaging with said lip on said upper handle such that said lip is positioned within said passageway.

A stud punch tool comprising:

• a lower frame;
• an upper handle including a cam surface, said upper surface attached to said lower frame, said upper handle being moveable relative to said lower frame upon movement by a user;
• and
• a punching assembly attached to said lower frame and to said upper handle,
• said punching assembly including a shaft, a cam engagement on an upper end of said shaft, and a punch having a punching edge on a lower end of said shaft for engagement with a workpiece,
• said cam engagement comprising a first cam surface at an upper end of said shaft, a pair of arms extending from opposite sides of said first cam surface, each said arm having a vertical section and a horizontal section, said horizontal section being spaced from said first cam surface, a cam surface formed on a lower end of said horizontal section thereby defining second and third cam surfaces, a passageway formed between said first cam surface and said second and third cam surfaces, said first, second and third cam surfaces engaging with said cam surface of said upper handle such that said cam surface of upper handle is positioned within said passageway, said upper handle and said punching assembly being moveable relative to each other.

A stud punch tool comprising:

• a lower frame comprising a body portion having a front end and a rear end, a head portion having a front end and a rear end, said rear end of said head portion extending from said front end of said body portion, a handle portion extending from said rear end of said body portion and capable of being gripped by a user;
• an upper handle attached to said lower frame and being moveable relative to said lower frame upon movement by a user;
• and
• a punching assembly connected to said head portion of said lower frame and connected to said upper handle, said punching assembly including a shaft having a cam engagement on an upper end thereof and a punch having a punching edge on a lower end thereof, a sleeve having a passageway therethrough, said passageway including at least two recesses therein, said shaft including a protrusion extending outwardly therefrom, said protrusion being first positioned within one of said recesses and then positioned within the other of said recesses during assembly of said shaft with said sleeve, and a spring mounted between an upper end of said sleeve and said cam engagement.

A stud punch tool comprising:

• a lower frame comprising
• a body portion having a front end and a rear end,
• a head portion having a front end and a rear end, said rear end of said head portion extending from said front end of said body portion, said head portion comprising an upper portion connected to a lower portion, said upper and lower portions being separated from each other by a space for receiving a workpiece to be punched therein,
• a handle portion extending from said rear end of said body portion and capable of being gripped by a user,
• a first ear having a fixed end and a free end, said fixed end extending from said body portion rearwardly of the head portion and forwardly of said handle portion, said first ear extending upwardly from said fixed end and toward said front end of said body portion and terminating in said free end such that a space is formed between said free end of said first ear and said head portion,
• a second ear having a fixed end and a free end, said fixed end of said second ear extending from said body portion rearwardly of the head portion and forwardly of said handle portion, said second ear extending upwardly from said fixed end and toward said front end of said body portion and terminating in said free end of said second ear such that a space is formed between said free end of said second ear and said head portion, said first and second ears being spaced apart from each other;
• an upper handle attached to said free ends of said first and second ears, said upper handle being moveable relative to said lower frame upon movement by a user, said upper handle includes a cam surface;
• and
• a punching assembly connected to said head portion of said lower frame and connected to said upper handle, said punching assembly including a shaft having a cam engagement on an upper end thereof and a punch having a punching edge on a lower end thereof, said cam engagement forming at least one cam surface, said cam surface of said upper handle engaging with said at least one cam surface of said cam engagement, said upper handle and said shaft being moveable relative to each other.