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US 2014/0230587 A1Published application
Thumb Assembly
AssigneeCaterpillar Inc.
InventorsRyan P. Shea, Aaron D. Kovar
Life of this patent
Estimating the term…
Abstract
A thumb actuator for a no-link type thumb assembly includes a cylinder body configured to be pivotally connected to a mounting bracket. The thumb actuator further includes a piston assembly having a piston and a piston rod configured to be pivotally connected to a thumb. Further, a ratio of a retracted length to a stroke length of the thumb actuator is in a range of about 1.9 to 2.2.
Claims20
A thumb actuator for a no-link type thumb assembly comprising:
- a cylinder body configured to be pivotally connected to a mounting bracket;
- a piston assembly having a piston and a piston rod, the piston rod configured to be pivotally connected to a thumb;
- and
- a ratio of a retracted length to a stroke length of the thumb actuator is in a range from about 1.9 to 2.2.
1 more element
An implement system for a machine comprising:
- a stick member;
- a mounting bracket disposed on the stick member;
- and
- a thumb actuator each, for a link-type thumb assembly and a no-link type thumb assembly is configured to be attached with the mounting bracket.
1 more element
A machine comprising:
- a stick member;
- a mounting bracket disposed on the stick member;
- and
- a thumb actuator each for a link-type thumb assembly and a no-link type thumb assembly is configured to be attached with the mounting bracket.
1 more element
Dependencies are inferred from the claim text.