Patent ID: 11873809
Assignee: GRACO MINNESOTA INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A system comprising:
a drive housing having a bottom and an opening extending through the bottom of the drive housing; and
a driving link located within the drive housing, the driving link comprising a drive cavity located within the drive housing; and
a pump which axially reciprocates, the pump comprising:
a cylinder comprising a top end;
a pump rod that extends along an axis and out from the top end of the cylinder, the pump rod comprising a head connected by a neck, the head wider than the neck; and
a threaded ring located on the cylinder and which rotates around the cylinder,

wherein the pump mounts to the drive housing by the threaded ring engaging the bottom of the drive housing to secure the pump to the drive housing while the cylinder extends upward into the opening and while the pump rod extends within the drive housing and while the head is received within the drive cavity to be held by the driving link and while the neck extends downward within the driving link and out of the driving link, and
wherein the pump dismounts from the drive housing by disengaging the threaded ring from the bottom of the drive housing which allows the head of the pump rod to slide out of the drive cavity of the driving link and then the pump rod to be withdrawn from the drive housing.