US 12,729,721 B2Granted

Object holding structure

AssigneeIHI Corporation

InventorsDaigo Yoneda, Yoshitaka Morooka, Yuma Kunisaki

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Abstract

An object holding structure includes: an inner member including an end surface, a first clamping surface located radially outward of the end surface, and hook portions arranged in a circumferential direction at intervals on the end surface; an outer member located radially outward of the inner member, including an end surface and a second clamping surface opposed to the first clamping surface through an object; a key plate contactable to the end surface and the end surface; and a retaining ring held between the key plate and claw portions of the hook portions. The key plate includes a first ring facing the end surface, a second ring provided radially inward of the hook portions, and inner tabs located between the hook portions and linking the first ring and the second ring.

Claims14

Dependent claims

An object holding structure comprises:

an inner member extending in an axial direction, including:
an end surface,
a first clamping surface located radially outward of the end surface when viewed from the axial direction, and
hook portions arranged in a circumferential direction at intervals on the end surface and having claw portions extending radially inwardly;
an outer member located radially outward of the inner member and movably provided in the axial direction relative to the inner member, the outer member including an end surface and a second clamping surface facing the first clamping surface through an object;
a key plate contactable with each of the end surface of the inner member and the end surface of the outer member;
a retaining ring held between the key plate and the claw portions of the hook portions;
and wherein the key plate includes:
a first ring facing the end surface of the outer member;
a second ring provided radially inward of the hook portions when viewed from the axial direction;
inner tabs located between the hook portions in the circumferential direction and linking the first ring and the second ring.

8 more elements

An object holding structure comprises:

an outer member extending in an axial direction, including:
an end surface, and
a first clamping surface located radially inward of the end surface when viewed from the axial direction;
an inner member located radially inward of the outer member and movably provided in the axial direction relative to the outer member, the inner member including:
an end surface,
a second clamping surface facing the first clamping surface through an object, and
hook portions arranged in a circumferential direction at intervals on the end surface and having claw portions extending radially inwardly;
a key plate contactable with each of the end surface of the inner member and the end surface of the outer member;
a retaining ring held between the key plate and the claw portions of the hook portions;
and wherein
the key plate includes:
a first ring facing the end surface of the outer member;
a second ring provided radially inward of the hook portions when viewed from the axial direction;
inner tabs located between the hook portions in the circumferential direction and linking the first ring and the second ring.

11 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/424,974Filed 29 Jan 2024 · continuation
Priority: JP 2021-1801484 Nov 2021
Published: US 2024/0167516 A123 May 2024
Granted: 8 Sep 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

F16C 35/063
Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing: fixing them on the shaft
F16B 39/00
Locking of screws, bolts or nuts
F16C 35/067
Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing: fixing them in a housing
F16C 19/06
For radial load mainly: with a single row or balls