Automatic transmission control linkage

In a transmission control linkage;

• a support having a detent member;
• a tubular lever having a lever bore, a handle end and a pivot end pivotally mounted on said support;
• detent means having a detent engaging portion, a detent rod in said tubular lever bore and biasing means biasing said detent engaging portion to engage said detent member and said detent rod toward the handle end of said lever bore;
• a hand grip member having a rigid core with a hand grip portion having a button bore open at the surface of the hand grip portion and an attaching portion having an attaching bore fitting on and secured to the handle end of said lever and interconnecting with said button bore;
• said detent rod extending through said attaching bore into said button bore and a cover of resilient rubber like polymer material bonded to said core and having a displaceable portion, an annular cam and flat stop portion on said displaceable portion extending beyond said surface of said core and said cam and stop portion surrounding the open end of said button bore;
• a button having an annular tapered cam and flat stop portion and said cam and stop portions having cams engaging for expanding said cam and stop portion and displaceable portion of said cover while forcibly inserting button in said button bore until said button cam and stop portion passes through said cover cam and stop portion and said cover cam and stop portion returns to normal position in which the flat stop portions on said button and cover engage to retain said button in detent engaged position;
• means connecting said button to said detent rod for conjoint movement;
• a biasing spring mounted in said button bore and engaging said button to bias said button normally to the outer detent engaged position and operative on manual movement of said button into said button bore to detent released position to move said detent rod to move said detent means to detent released position.

In a transmission control linkage;

• a support having a detent member;
• a lever, a handle end and a pivot end pivotally mounted on said support;
• detent means having a detent engaging portion, a detent rod mounted on said lever and biasing means biasing said detent engaging portion to engage said detent member and said detent rod toward the handle end of said lever;
• a hand grip member having a rigid core with a hand grip portion having a button bore open at the surface of the hand grip portion and an attaching portion secured to the handle end of said lever and said detent rod extending through said attaching core into said button bore and a cover of resilient rubber like polymer material bonded to said core and having an annular recess and a thin annular hinge portion surrounding said button bore forming an annular displaceable portion, an annular normally cylindrical cam and flat stop portion on said displaceable portion extending beyond said surface of said core and said cam and stop portion surrounding the open end of said button bore;
• a button having an annular tapered cam and flat stop portion and said cam and stop portions having cams engaging for pivotally moving said displaceable portion about said hinge and expanding said displaceable portion to provide surface engagement of its cam with said cam on said button expanding said cam and stop portion and displaceable portion of said cover while forcibly inserting said button in said button bore until said button cam and stop portion passes through said cover cam and stop portion and said cover cam and stop portion returns to normal position in which the flat stop portions on said button and cover engage to retain said button in detent engaged position;
• means connecting said button to said detent rod for conjoint movement;
• said biasing means biasing said detent rod and button normally to the outer detent engaged position and operative on manual movement of said button into said button bore to detent released position to move said detent rod to move said detent means to detent released position.

In a transmission control linkage;

• a support having a detent member;
• a tubular lever having a lever bore, a handle end and a pivot end pivotally mounted on said support;
• detent means having a detent engaging portion, a detent rod in said tubular lever bore and biasing means biasing said detent engaging portion to engage said detent member and said detent rod toward the handle end of said lever bore;
• a hand grip member having a rigid core with a hand grip portion having a button bore open at the surface of the hand grip portion and an attaching portion having an attaching bore fitting on and secured to the handle end of said lever and interconnecting with said button bore;
• said detent rod extending through said attaching bore into said button bore and a cover of resilient rubber like polymer material bonded to said core and having an annular recess and a thin annular hinge portion surrounding said button bore forming an annular displaceable portion, an annular cam and flat stop portion on said displaceable portion extending beyond said surface of said core and said cam and stop portion surrounding the open end of said button bore;
• a button having an annular tapered cam and flat stop portion and said cam and stop portions having cams engaging for pivotally moving said displaceable portion about said hinge to provide surface engagement of its cam with said cam on said button expanding said cam and stop portion and displaceable portion of said cover while forcibly inserting said button in said button bore until said button cam and stop portion passes through said cover cam and stop portion and said cover cam and stop portion returns to normal position in which the flat stop portions on said button and cover engage to retain said button in detent engaged position;
• means connecting said button to said detent rod for conjoint movement;
• a biasing spring mounted in said button bore and engaging said button to bias said button normally to the outer detent engaged position and operative on manual movement of said button into said button bore to detent released position to move said detent rod to move said detent means to detent released position.

In a transmission control linkage;

• a support having a detent member;
• a tubular lever having a lever bore, a handle end and a pivot end pivotally mounted on said support;
• detent means having a detent engaging portion, a detent rod in said tubular lever bore and biasing means biasing said detent engaging portion to engage said detent member and said detent rod toward the handle end of said lever bore;
• a hand grip member having a rigid core with a transverse hand grip portion having a transverse bore open at one end and closed at the other end and an axial attaching portion having an attaching bore fitting on and secured to the handle end of said lever and receiving said detent rod and a cover of resilient rubber like polymer material bonded to said core and having an annular cam and stop portion on a displaceable cover portion extending beyond said one end of said core and surrounding the open end of said transverse bore;
• a cylindrical button having an annular tapered cam and stop portion;
• said cam and stop portions having cams engaging for expanding said cam and stop portion and displaceable portion of said cover wile forcibly inserting said button in said transverse bore until said button cam and stop portion passes through said cover cam and stop portion and said cover cam and stop portion returns to normal position in which the stop portions on said button and cover engage to retain said button in detent engaged position;
• said button having a cam surface extending toward said closed end and sloping away from said attaching bore and a spring abutment and guide portion extending beyond said cam surface toward said closed end of said bore having a spring abutment face and guide portions on each side of said cam surface fitting said transverse bore;
• a pivot recess in said hand grip core portion at the closed end of said bore facing said open end of said bore;
• a cam lever in said bore having a pivot end in said pivot recess, a cam end engaging said cam surface and the end of said detent rod and a transverse spring abutment adjacent said pivot end;
• a biasing spring compressed between said transverse spring abutment on said cam lever and said spring abutment face on said button to hold said cam lever pivot end in said pivot recess and said button normally in the outer detent engaged position and operative on manual movement of said button into said button bore to detent released position to cause said cam surface in engagement with said cam end of said cam lever to swing said cam lever to move said detent rod to move said detent means to detent released position.

In a transmission control linkage;

• a support having a detent member a tubular lever having a lever bore, a handle end and a pivot end pivotally mounted on said support;
• detent means having a detent engaging portion, a detent rod in said tubular lever bore and biasing means biasing said detent engaging portion to engage said detent member and said detent rod toward the handle end of said lever bore;
• and hand grip member having a rigid core with a transverse hand grip portion having a transverse bore open at one end and closed at the other end and an axial attaching portion having an attaching bore fitting on and secured to the handle end of said lever and receiving said detent rod and a cover of resilient rubber like polymer material bonded to said core and having a annular cam and flat stop portion on a displaceable cover portion having an annular recess and thin annular hinge portion between said displaceable cover portion and the adjacent cover portion located beyond said one end of said core and surrounding the open end of said transverse bore;
• a cylindrical button having an annular tapered cam and flat stop portion having a shorter axial length than said annular recess and said cam and stop portions having cams engaging for pivotally displacing said displaceable portion with said cam for surface engagement of its cam with said cam on said button for expanding said cam and stop portion and displaceable portion of said cover while forcibly inserting said button member in said transverse bore until said button cam and stop portion passes through said cover cam and stop portion and said cover cam and stop portion returns to normal position in which the flat stop portions on said button and cover engage to retain said button in detent engaged position;
• said button having a cam surface extending toward said closed end and sloping away from said attaching bore and a spring abutment and guide portion extending beyond said cam surface toward said closed end of said bore having a spring abutment face and guide portions on each side of said cam surface fitting said transverse bore;
• a pivot recess in said hand grip core portion at the closed end of said bore facing said open end of said bore;
• a cam lever in said bore having a pivot end in said recess, a cam end engaging said cam surface and the end of said detent rod and a transverse spring abutment adjacent said pivot end;
• a biasing spring compressed between said transverse spring abutment on said cam lever and said spring abutment face on said button to hold said cam lever pivot end in said pivot recess and said button normally in the outer detent engaged position and operative on manual movement into the bore to detent released position to cause said cam surface in engagement with said cam end of said cam lever to swing said cam lever to move said detent rod to move said detent means to detent released position.