EP Patent

EP0908273A2 — Ratchet wrench head

Assigned to Chicago Pneumatic Tool Co LLC · Expires 1999-04-14 · 27y expired

What this patent protects

The present invention relates generally to pneumatic ratcheting mechanisms (10) and in particular to a device to aid in shank spindle retainment during ratchet resetting. According to the present invention, at least one recess (66) is provided in the shank spindle (60) of a ratch…

USPTO Abstract

The present invention relates generally to pneumatic ratcheting mechanisms (10) and in particular to a device to aid in shank spindle retainment during ratchet resetting. According to the present invention, at least one recess (66) is provided in the shank spindle (60) of a ratchet head to receive a spring (64) therein. The end of the spring is compressed against an interior surface of the ratchet head (30) to frictionally retain the shank spindle (60) and pawl (50) of the ratchet during the resetting stroke of the ratchet yoke.

Drugs covered by this patent

Patent Metadata

Patent number
EP0908273A2
Jurisdiction
EP
Classification
—
Expires
1999-04-14
Drug substance claim
No
Drug product claim
No
Assignee
Chicago Pneumatic Tool Co LLC
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.